User's Manual

Smart Machine Smart Decision
SIM868_Hardware_Design_V1.00 51 2016-06-20
V
IH
High-level input voltage
1.4 - - V
2.4 - - V
V
IL
Low-level input voltage
- - 0.27 V
0.4 V
V
OH
High-level output voltage
1.62 - - V
2.7 - - V
V
OL
Low-level output voltage
- - 0.36 V
- - 0.4 V
6.5 SIM_VDD Characteristics
Table 36: SIM_VDD characteristics
Symbol Parameter Min Typ Max Unit
V
O
Output voltage
- 3.0 -
V
- 1.8 -
I
O
Output current - - 10 mA
6.6 VDD_EXT Characteristics
Table 37: VDD_EXT characteristics
Symbol Parameter Min Typ Max Unit
V
O
Output voltage 2.7 2.8 2.9 V
I
O
Output current - - 50 mA
6.7 Current Consumption（VBAT=4.0V）
Table 38: Current consumption
Symbol Parameter Conditions Min Typ Max Unit
VBAT
Voltage 4.0 V
Power drop PCL=5 350 mV
Voltage ripple
PCL=5
@ f<200kHz
@ f>200kHzss
50
2.0
mV
mV
I
VBAT
Average current
Power off mode 130 150 uA
Sleep mode (AT+CFUN=1)：
( BS-PA-MFRMS=9 )
( BS-PA-MFRMS=5)
( BS-PA-MFRMS=2)
0.86
1.02
1.42
mA
mA
mA
Idle mode (AT+CFUN=1)：
GSM850
EGSM900
DCS1800
13.7
13.7
13.7
mA
mA
mA