1 Module Overview1.1 Features1.2 Description1.3 Applications2 Block Diagram3 Pin Definitions3.1 Pin Layout3.2 Pin Description3.3 Strapping Pins4 Electrical Characteristics4.1 Absolute Maximum Ratings4.2 Recommended Operating Conditions4.3 DC Characteristics (3.3 V, 25 °C)4.4 Current Consumption Characteristics4.5 Wi-Fi RF Characteristics4.5.1 Wi-Fi RF Standards4.5.2 Transmitter Characteristics4.5.3 Receiver Characteristics4.6 Bluetooth Radio4.6.1 Receiver – Basic Data Rate4.6.2 Transmitter – Basic Data Rate4.6.3 Receiver – Enhanced Data Rate4.6.4 Transmitter – Enhanced Data Rate4.7 Bluetooth LE Radio4.7.1 Receiver4.7.2 Transmitter5 Module Schematics6 Peripheral Schematics7 Physical Dimensions and PCB Land Pattern7.1 Physical Dimensions7.2 Recommended PCB Land Pattern8 Product Handling8.1 Storage Conditions8.2 Electrostatic Discharge (ESD)8.3 Reflow Profile8.4 Ultrasonic VibrationRelated Documentation and ResourcesRevision History                     fl        www                                 •         •        •       •     • •       •    •  µ   •       ~  •      fi•     • •   •                         fi    •    •    fl •     •     ~  •     ~  fi•  fi  fi•  fi •                                                                                                                                   31, 2                   fl    fl                                                                                                                           •     •     •    •   •  •  •  •  •  •  •  •  •   •  •  •                            fi                                                                                                                 fl fi                                       fi                                                                                                                                                           fl fi               Wi-Fi/BT ChipESP32-D0WD-V3SPINOR flashRF MatchingVDD_SDIOSMCSSPIRF MatchingRF MatchingRF SwitchAntenna AntennaControl3V3ENGPIOs40 MHzCrystal                fi  fi                           1234567891011121314GND3V3SENSOR_VPSENSOR_VNIO34IO35IO32IO33NCIO26IO27IO14IO12EN4039383736353433323130292827151617181920212223242526NCGNDIO13NCNCNCNCNCNCIO15NCNCGNDIO23IO22U0TXDU0RXDIO21NCIO19IO18IO5IO17IO16IO4IO0GND GND GNDGND43GNDGNDGNDGNDGND4241IO2IO25Top ViewAntenna 1Antenna 2                  fi      fi   2                      fi         2                 fl                                                                                                                                                                                               fi         2                         3  3     1   fi      2                                       fi                                                    fi  • • • • •        fi                                                fi                                                                                            fi                 fi                                                                   *   *  fi                  *       fl                                          CHIP_PUt1t0Strapping pinVIL_nRSTVIH                     fi               0          1                                                                            ST OR E    *                             V DD                                  IN     IH     1 1  IL       1IH      IL      OH     1  OL       1OH  1  OH        1, 2    1, 2                              1, 3   OL  1   OL           P U        ΩP D        ΩILnRST           1                      2                       OH        3   fl                                                                                            *                             *   fi                           1, 2   3   ~     ~       ~                                            4 µ  5 µ        µ    µ              µ1   fi               2               3                 4                  5                               µ                * ~                                    *            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                                    ~        ~        ~        ~                              *                                                         ∆ f1    ∆ f2    ∆ f2∆ f1                µ            *                                                                  π                                                                                                                                                                                                                                     π        π        π                                 π                                                                                                                                                                                                ~        ~      ~      ~                                                                              ∆ f1    ∆ f2    ∆ f2∆ f1                µ                          CHIP_PUSENSOR_VPSENSOR_VNGPIO34GPIO35GPIO32GPIO33GPIO26GPIO27GPIO14GPIO12GPIO13GPIO15GPIO0GPIO4GPIO16GPIO17GPIO5GPIO18GPIO19GPIO21U0RXDU0TXDGPIO22GPIO23ESP32_ANTCHIP_PUGPIO35SCK/CLKSCS/CMDSENSOR_VPSHD/SD2 SWP/SD3SDI/SD1SDO/SD0SENSOR_VNGPIO34GPIO33GPIO25GPIO26GPIO27GPIO32GPIO14GPIO12GPIO15GPIO13GPIO2GPIO0GPIO4GPIO16GPIO17SDO/SD0SDI/SD1SCK/CLKSWP/SD3SCS/CMDSHD/SD2GPIO18GPIO5GPIO23GPIO19U0TXDGPIO22U0RXDGPIO21CTL2GPIO25GPIO2 CTL1CTL2RF1RF2ESP32_ANTCTL1CTL2 RF2RF1GNDVDD33GNDGNDGNDGND GNDVDD_SDIOVDD33GNDGNDGNDVDD_SDIOGND GNDGNDGNDGNDGNDVDD33GND GNDGNDGNDGNDGNDGNDVDD33VDD33VDD33GNDGNDVDD33VDD33GNDGNDGNDGNDGNDGNDGNDGNDGNDESP32-WROOM-DA(pin-out)The values of C15, L4 and C14vary with the actual PCB board.The values of C1 and C2 vary withthe selection of the crystal.The value of R2 varies with the actualPCB board.NC: No component.RF Switch:The values of C38, L3,C37,C40,L6 and C39 vary with the actual PCB board.C21100pF/50V(10%)C410.1uF(NC)C111uF/6.3V(20%)C63.3nF/6.3V(10%)C3100pF/50V(10%)R3 499(1%)U8SN74AUP1G04(NC)NC11A2GND3Y4VCC6NC25C38TBDC1310uF/6.3V(20%)C190.1uF/6.3V(10%)L6 TBDR14 0U140MHz(±10ppm)XIN1GND2XOUT3GND4U4ESP32-WROOM-DAGND113V32EN3SENSOR_VP4SENSOR_VN5IO346IO357IO328IO339IO2510IO2611IO2712IO1413IO1214GND340IO2339IO2238TXD037RXD036IO2135NC34IO1933IO1832IO531IO1730IO1629IO428IO027GND216IO1317SD218SD319CMD20CLK21SD022SD123IO1524IO225NC15NC26C4522pFC15TBDR1310KC4622pFC37TBDC40.1uF/6.3V(10%)R2 TBDR15 0C44 100pFC14TBDC40TBDD1ESDR1210KC90.1uF/6.3V(10%)C39TBDC43 100pFL4 TBDTP11U3 FLASH/CS1DO2/WP3GND4DI5CLK6/HOLD7VCC8R1 20K(5%)C1TBDU2ESP32-D0WD-V3VDDA1LNA_IN2VDD3P33VDD3P34SENSOR_VP5SENSOR_CAPP6SENSOR_CAPN7SENSOR_VN8CHIP_PU9VDET_110VDET_21132K_XP1232K_XN13GPIO2514GPIO2615GPIO2716MTMS17MTDI18VDD3P3_RTC19MTCK20MTDO21GPIO222GPIO023GPIO424VDD_SDIO26GPIO1625GPIO1727SD_DATA_228SD_DATA_329SD_CMD30SD_CLK31SD_DATA_032GND49SD_DATA_133GPIO534GPIO1835GPIO1938CAP247VDDA43XTAL_N44XTAL_P45GPIO2336U0TXD41GPIO2239GPIO2142VDD3P3_CPU37CAP148VDDA46U0RXD40C42 100pFANT1PCB ANT12C181uF/6.3V(20%)C100.1uF/6.3V(10%)L5 2.0nH(±0.1nH)L3 TBDC510nF/6.3V(10%)TP21U9RTC6603SPRF11GND2RF23VC24RFC5VC16C201uF/6.3V(20%)C2TBDANT2PCB ANT12                                        GNDENSENSOR_VPGPI36SENSOR_VNGPI39GPI34GPI35GPIO32GPIO33GPIO26GPIO27GPIO14GPIO22TXD0RXD0GPIO21GPIO19GPIO18GPIO4GPIO0GPIO5GPIO23GNDGPIO12ENGPIO14GPIO12GPIO13GPIO15GPIO13GNDGPIO15GPIO16GPIO17GNDVDD33GNDVDD33GNDGNDGNDMTMSMTDIMTCKMTDOSW1R110KR2 0RJP2Boot Option1122C20.1uFJP3JTAG11223344JP1UART11223344C31uFU1ESP32-WROOM-DAGND113V32EN3SENSOR_VP4SENSOR_VN5IO346IO357IO328IO339NC10IO2611IO2712IO1413IO1214NC15GND216IO1317NC18NC19IO027IO428IO1629IO1730IO531IO1832IO1933NC34IO2135RXD036TXD037IO2238IO2339GND340P_GND43NC22NC21NC23IO1524NC25NC26NC20C4 0.1uFC122uF   •                                                      •                                     Ω     µ fi                                                              Top ViewSide ViewBottom View34.40±0.1518.0019.2023.4027.2013.9715.8035.60±0.1511.4316.511.501.271.00±0.103.50±0.1510.6710.503.703.700.500.50Unit: mmTolerance: +/-0.10 mm0.850.900.450.9024.55R0.501.08                                             •                    •  fi                  fi     Antenna Area14034.41.53.70.915 2640 x0.940 x1.53.77.500.91.270.50.51.2717.510.6716.5118.0013.971.27Unit: mmCopperVia for thermal pad                                                                                        •      •      fl fi      fl501500251 ~ 3 ℃/s0200250200–1 ~ –5 ℃/sCooling zone10021750100 250Reflow zone 217 ℃ 60 ~ 90 sTemperature (℃)Preheating zone150 ~ 200 ℃ 60 ~ 120 sRamp-up zonePeak Temp. 235 ~ 250 ℃Soldering time> 30 sTime (sec.)Ramp-up zone — Temp.: 25 ~ 150 ℃ Time: 60 ~ 90 s Ramp-up rate: 1 ~ 3 ℃/sPreheating zone — Temp.: 150 ~ 200 ℃ Time: 60 ~ 120 sReflow zone — Temp.: >217 ℃ 60 ~ 90 s; Peak Temp.: 235 ~ 250 ℃ Time: 30 ~ 70 sCooling zone — Peak Temp. ~ 180 ℃ Ramp-down rate: –1 ~ –5 ℃/sSolder — Sn-Ag-Cu (SAC305) lead-free solder alloy  fl fi                                                                          •     fi    •                •                •            •              • fifi•    fi •          •     fi  •             •       •                         •            •          •         •         •         •                  fi •                                      •       •          fl    •          •        •      •         •   fi                                                                                                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