SimCom SIM900E User Manual page 7

SIM900E Document
3.5. VRTC Characteristics
Table 5: VRTC characteristics
Symbol Parameter
V VRTC input voltage
RTC-IN
I VRTC input current
RTC-IN
V VRTC output voltage
RTC-OUT
I VRTC output current
RTC-OUT
3.6. Current Consumption (VBAT = 3.8V)
Table 6: Current consumption
Symbol Parameter
I VRTC current
VRTC
I VBAT current
VBAT
Min
2.00
-
-
-
Conditions
VBAT disconnects. Backup battery is 3 V
Power down mode
BS-PA-MFRMS=9
Sleep mode BS-PA-MFRMS=5
BS-PA-MFRMS=2
GSM 850
EGSM 900
Idle mode
DCS 1800
PCS 1900
GSM 850
EGSM 900
Voice call
DCS 1800
PCS 1900
GSM 850
EGSM 900
Data mode
GPRS(1Rx,1Tx)
DCS 1800
PCS 1900
Data mode GSM 850
GPRS(4Rx,1Tx) EGSM 900
- 7 -
Typ Max
3.00 3.15
2 -
3.00 -
10 -
Value
2
30
1.0
1.2
1.5
22
PCL=5 240
PCL=12 108
PCL=19 81
PCL=0 176
PCL=7 94
PCL=15 76
PCL=5 240
PCL=12 110
PCL=19 83
PCL=0 170
PCL=7 95
PCL=15 80
PCL=5 223
PCL=12 150
PCL=19 120
Unit
V
uA
V
uA
Unit
uA
uA
mA
mA
mA
mA
mA
mA