ESP32-A1S SoC module
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4. Electrical parameters
ESP32-A1S series modules are electrostatic sensitive devices, special precautions need to be taken
when handling
Unless otherwise specified, the test environment for the specifications listed in this chapter is
：
VBAT= 3.3V,TA= 27℃
Limit parameters
：
Rated value
Condition
Value
Unit
Storage
temperature
-
-40~85
℃
Maximum welding
temperature
-
260
℃
Supply voltage
IPC/JEDEC J-STD-020
+3.0~+3.6
V
Recommended working conditions
：
Working
environment
Name
Min
Typical value Max
Unit
Operating
temperature
-
-40
20
85
℃
Supply voltage
VDD
3.0
3.3
3.6
V
Digital port characteristics:
Port
Name
Min
Typical
value
Max
Unit
Input logic level is low VIL
-0.3
-
0.25VDD
V
Input logic level is
high
0.75VDD
-
VDD+0.3
V
Out put logic level is
low
VOL
N
-
0.1VDD
V
Output logic level is
high
0.8VDD
-
N
V
Wi-Fi RF characteristics:
Description
Min
Typical value
Max
Unit
General
features
Input frequency
2412
-
2484
MHz
Input resistance
-
50
-
Ω
Input launch
-
-
-10
dB
PA output power 15.5
16.5
21.5
dBm
Sensitivity
DSSS,1Mbps
-
-98
-
dBm
CCK, 11 Mbps
-
-90
-
dBm
OFDM, 6 Mbps
-
-93
-
dBm
OFDM, 54 Mbps -
-75
-
dBm
HT20, MCSO
-
-93
-
dBm
HT20, MCS7
-
-73
-
dBm
HT40, MCSO
-
-90
-
dBm
HT40, MCS7
-
-70
-
dBm