Electrical, Reliability And Radio Characteristics; Absolute Maximum Ratings; Operating Temperatures; Power Supply Rating - SimCom SIM802 HD Manual

SIM802 Hardware Design

5 Electrical, reliability and radio characteristics

5.1 Absolute maximum ratings

Absolute maximum rating for power supply and voltage on digital and analog pins of SIM802 are
listed in table31:
Table 31: Absolute maximum rating
Parameter
Peak current of power supply
RMS current of power supply (during one TDMA- frame)
Voltage at digit pins
Voltage at analog pins
Voltage at digit/analog pins in POWER DOWN mode

5.2 Operating temperatures

The operating temperature is listed in table32:
Table 32: SIM802 operating temperature
Parameter
Ambient temperature
Restricted operation*
Storage temperature
* SIM802 does work, but the deviation from the GSM specification may occur, For example, the
frequency error or the phase error will be large

5.3 Power supply rating

Table 33: SIM802 power supply rating
Parameter Description
VBAT Supply voltage
Voltage drop
during transmit
burst
SIM802_HD_V2.01
Min
-30
-40 to -30
-45
Conditions
Voltage must stay within the min/max
values, including voltage drop, ripple,
and spikes.
Normal condition, power control level
for Pout max
62
Min Max Unit
0 3.0 A
0 0.7 A
-0.3 3.3 V
-0.3 3.0 V
-0.25 0.25 V
Type Max
25 80
80 to 85
90
Min Type
3.4 4.0
Unit
℃
℃
℃
Max Unit
4.5 V
400 mV
12.01.2010