User Manual

Bluetooth Audio Module
Ehong Technology Co., Ltd
4. Electrical Characteristic
4.1. Recommend operation conditions
Operating Condition
Min
Typical
Max
Unit
Operating Temperature Range
-40
--
+85
°C
PIO Voltage
+1.7
+3.3
+3.6
V
AIO Voltage
+1.7
+1.8
+1.95
V
LED
+1.1
3.7
+3.6
V
VDD Voltage
+2.7
+3.3
+3.6
V
VCHG(a)
+4.75
+5
+5.75
V
RF frequency
2400
2441
24800
MHz
Table 1: Recommended Operating Conditions
Note:(a) Maximum charging current 200mA
4.2. Absolute Maximum Rating
Table 2: Absolute Maximum Rating Recommended Operating Conditions
4.3. Power consumptions
DUT Role
Connection
Packet Type
Average
Current
Unit
N/A
Deep
sleep
With UART host
connection
-
55
uA
N/A
Page
scan
Page = 1280ms
interval
Window = 11.25ms
-
219
uA
Rating Min Max Unit
Storage Temperature -40 +125 °C
PIO Voltage -0.4 +3.6 V
AIO Voltage -0.4 +1.95 V
LED -0.4 +3.6 V
VDD Voltage -0.4 +3.6 V
VCHG -0.4 +5.75 V
USB_DP/USB_DN Voltage -0.4 +3.6 V
Other Terminal Voltages VSS-0.4
VDD+0.
4
V