SimCom SIM800C, Hardware Design

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SIM800C_Hardware_Design_V1.02
42
2015-4-27
1.4 - - V
V
IH
High-level input voltage
2.4 - - V
- - 0.27 V
V
IL
Low-level input voltage
0.4 V
1.62 - - V
V
OH
High-level output voltage
2.7 - - V
- - 0.36 V
V
OL
Low-level output voltage
- - 0.4 V
6.5 SIM_VDD Characteristics
Table 31: SIM_VDD characteristics
Symbol Parameter Min Typ Max Unit
- 3.0 -
V
O
Output voltage
- 1.8 -
V
I
O
Output current - - 10 mA
6.6 VDD_EXT Characteristics
Table 32: 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 VRTC Characteristics
Table 33: VRTC characteristics
Symbol Description Min Typ Max Unit
V
RTC-IN
VRTC input voltage 1.2 2.8 3.0 V
I
RTC-IN
VRTC input current - 3.0 5.0 uA
V
RTC-OUT
VRTC output voltage - 2.8 - V
I
RTC-OUT
VRTC output current - 2.0 mA
6.8 Current Consumption (VBAT=4.0V)
Table 34: Current consumption
Symbol Parameter Conditions Min Typ Max Unit
Voltage 4.0 V
Power drop PCL=5 350 mV
VBAT
Voltage ripple
PCL=5
@ f<200kHz
50
mV