Data Sheet

5. ELECTRICAL CHARACTERISTICS
5. Electrical Characteristics
Note:
The specifications in this chapter have been tested under the following general condition: VDD = 3.3V, T
A
= 27°C, unless
otherwise specified.
5.1 Absolute Maximum Ratings
Table 7: Absolute Maximum Ratings
Parameter Symbol Min Typ Max Unit
Power supply VDD 2.3 3.3 3.6 V
Minimum current delivered by
power supply
I
V DD
0.5 - - A
Input low voltage V
IL
-0.3 - 0.25×V
IO
1
V
Input high voltage V
IH
0.75×V
IO
1
- V
IO
1
+0.3 V
Input leakage current I
IL
- - 50 nA
Input pin capacitance C
pad
- - 2 pF
Output low voltage V
OL
- - 0.1×V
IO
1
V
Output high voltage V
OH
0.8×V
IO
1
- - V
Maximum output drive capability I
MAX
- - 40 mA
Storage temperature range T
ST R
-40 - 85 °C
Operating temperature range T
OP R
-40 - 85 °C
1. V
IO
is the power supply for a specific pad. More details can be found in the ESP32 Datasheet, Appendix IO_MUX. For
example, the power supply for SD_CLK is the VDD_SDIO.
5.2 Wi-Fi Radio
Table 8: Wi-Fi Radio Characteristics
Description Min Typical Max Unit
Input frequency 2412 - 2484 MHz
Output impedance
∗
- * - Ω
Input reflection - - -10 dB
Tx power
Output power of PA for 72.2 Mbps 13 14 15 dBm
Output power of PA for 11b mode 19.5 20 20.5 dBm
Sensitivity
DSSS, 1 Mbps - -98 - dBm
CCK, 11 Mbps - -91 - dBm
OFDM, 6 Mbps - -93 - dBm
OFDM, 54 Mbps - -75 - dBm
HT20, MCS0 - -93 - dBm
Espressif Systems 15 ESP32-WROVER Datasheet V1.2