Data Sheet

V1.0.2
Copyright ©2020 Wireless-Tag Technology Co., Ltd. All Rights Reserved. http://www.wireless-tag.com 7
4 Electrical Characteristics
4.1 Absolute Maximum Ratings
Stresses above those listed in Absolute Maximum Ratings may cause permanent damage to the device.
These are stress ratings only and functional operation of the device at these or any other conditions beyond
those indicated under Recommended Operating Conditions is not implied. Exposure to
absolute-maximum-rated conditions for extended periods may affect device reliability.
4.2 Recommended Operating Conditions
Table 3 Operating Conditions
Symbol
Parameter
Min
Typ
Max
Unit
VDD
Power supply voltage
3.0
3.3
3.6
V
I
VDD
Current delivered by
external power supply
0.5
-
-
A
T
A
Ambient
temperature
85°C
version
-40
-
85
℃
105°C
version
105
Humidity
Humidity condition
-
-
85
%RH
4.3 Current Consumption
Table 4 Current Consumption Depending on RF Modes
Work mode
Description
Peak（mA）
Active(RF
working)
TX
802.11b, 1 Mbps, @18dBm
367
802.11g, 54 Mbps, @15.4dBm
284
802.11n, HT20, MCS 7, @15 dBm
276
802.11n, HT40, MCS 7, @14 dBm
252
RX
802.11b/g/n, HT20
84
802.11n, HT40
87
Note:
Ambient temperature, 3.3V power supply, TX continues mode, DC power accuracy: 100 μA.
Table 5 Current Consumption Depending on Work Modes
Work mode
Description
Typical value
Modem-sleep
The CPU is
powered on
160MHz
23.7mA
80MHz
20.6mA