Datasheet

Revision History
Revision History
Date Version Release notes
2019.09 V2.9
• Changed the supply voltage range from 2.7 V ~ 3.6 V to 3.0 V ~ 3.6 V;
• Added Moisture sensitivity level (MSL) 3 in Table 1 ESP32-WROOM-32 Specifications;
• Added notes about ”Operating frequency range” and ”TX power” under Table 7 Wi-Fi
Radio Characteristics;
• Updated Section 7 Peripheral Schematics and added a note about RC delay circuit
under it;
• Updated Figure 8 Recommended PCB Land Pattern.
2019.01 V2.8 Changed the RF power control range in Table 9 from –12 ~ +12 to –12 ~ +9 dBm.
2018.10 V2.7
Added ”Cumulative IO output current” entry to Table 4: Absolute Maximum Ratings;
Added more parameters to Table 6: DC Characteristics.
2018.08 V2.6
• Added reliability test items the module has passed in Table 1: ESP32-WROOM-32
Specifications, and removed software-specific information;
• Updated section 3.4: RTC and Low-Power Management;
• Changed the module’s dimensions from (18±0.2) mm x (25.5 ±0.2) mm x (3.1±0.15)
mm to (18.00±0.10) mm x (25.50±0.10) mm x (3.10±0.10) mm;
• Updated Figure 8: Physical Dimensions;
• Updated Table 7: Wi-Fi Radio.
2018.06 V2.5
• Changed the module name to ESP32-WROOM-32;
• Deleted Temperature Sensor in Table 1: ESP32-WROOM-32 Specifications;
• Updated Chapter 3: Functional Description;
• Added Chapter 8: Recommended PCB Land Pattern;
Changes to electrical characteristics:
• Updated Table 4: Absolute Maximum Ratings;
• Added Table 5: Recommended Operating Conditions;
• Added Table 6: DC Characteristics;
• Updated the values of ”Gain control step”, ”Adjacent channel transmit power” in Table
9: Transmitter Characteristics - BLE.
2018.03 V2.4 Updated Table 1 in Chapter 1.
2018.01 V2.3
Deleted information on LNA pre-amplifier;
Updated section 3.4 RTC and Low-Power Management;
Added reset circuit in Chapter 7 and a note to it.
2017.10 V2.2
Updated the description of the chip’s system reset in Section 2.3 Strapping Pins;
Deleted ”Association sleep pattern” in Table “Power Consumption by Power Modes” and
added notes to Active sleep and Modem-sleep;
Updated the note to Figure 4 Peripheral Schematics;
Added discharge circuit for VDD33 rail in Chapter 7 and a note to it.
2017.09 V2.1
Updated operating voltage/power supply range updated to 2.7 ~ 3.6V;
Updated Chapter 7.
2017.08 V2.0
Changed the sensitivity of NZIF receiver to -97 dBm in Table 1;
Updated the dimensions of the module;
Updated Table “Power Consumption by Power Modes” Power Consumption by Power
Modes, and added two notes to it;
Espressif Systems 19 ESP32-WROOM-32 Datasheet V2.9