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6. Electrical, Reliability and Radio Characteristics
6.1
Absolute Maximum Ratings
The absolute maximum ratings stated in following table are stress ratings under non-operating conditions.
Stresses beyond any of these limits will cause permanent damage to SIM800C.
Table 28: Absolute maximum ratings
Symbol
VBAT
Current
USB_VBUS
I
*
I
I
*
O
*
These parameters are for digital interface pins, GPIO, and UART.
6.2
Recommended Operating Conditions
Table 29: Recommended operating conditions
Symbol
Parameter
VBAT
Power supply voltage
T
Operating temperature
OPER
T
Storage temperature
STG
6.3
Digital Interface Characteristics
Table 30: Digital interface characteristics
Symbol
Parameter
V
High-level input current
IH
V
Low-level input current
IL
V
High-level output voltage
OH
V
Low-level output voltage
OL
Note: These parameters are for digital interface pins, such as keypad, GPIO and UART.
6.4
SIM Card Interface Characteristics
Table 31: SIM card interface characteristics
Symbol
Parameter
I
High-level input current
IH
I
Low-level input current
IL
SIM800C_Hardware_Design_V1.00
Min
Typ
-
-
0
-
-
-
-
-
-
-
Min
3.4
-40
-45
Min
2.1
-0.3
2.4
-
Min
-1.0
-1.0
43
Smart Machine Smart Decision
Max
Unit
4.5
V
2.0
A
12
V
16
mA
16
mA
Typ
Max
4.0
4.4
+25
+85
+90
Typ
Max
-
3.1
-
0.7
-
-
-
0.4
Typ
Max
-
1.0
-
1.0
Unit
V
℃
℃
Unit
V
V
V
V
Unit
uA
uA
2014-10-30
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