User's Manual

iSR3500 Series 4 / 11 Pre-rev 0.3
Mobile SolutionsMobile Solutions
Battery charging protection voltage Vbat1,Vbat2,Vbat3 4.47 / 5.5 V
Supported Battery Voltage for charging
Ni-MH
Li-ion
3.1
3.1
5.1
4.2
V
VSIM -3% 1.8/2.85 +3%
VIO Voltage VIO,VDDP_IO -3% 2.85 +3% V
VIO Output current I
VIO
30 mA
VDDP_MEM Domain VDDP_MEM -3% 2.85 +3% V
VRTC Voltage VRTC,VDDP_RTC 1.86 2 2.14 V
VRTC Output Current 4 mA
VSIM Voltage VSIM -3% 1.8/2.85 +3% V
VSIM Output Current I
VSIM
30 mA
VMIC VMIC 2.2 V
Digital I/O range GPIO, -0.3 2.85 3 V
Digital I/O Low level V
I/OL
-0.2 0.3 V
Digital I/O High level V
I/OH
2.55 2.85V 3 V
Audio
Receiver Max differential Output EPP1,EPN1 3.3 3.7 4.1 Vpp
Headset Max single-ended output EPPA 1.65 1.85 2.05 Vpp
Receiver Output Load resistance EPP1,EPN1 16
Ω
Headset Output Load resistance EPPA 32
Ω
Ringer Output Load resistance LOUD1,LOUD2 8
Ω
ADC Input Voltage
(External input voltage case)
TBAT,ADC1 2.4
V
2.3 GSM 850 Electrical characteristics
Nominal Conditions (unless otherwise specified): Vbatt=3.8V Ta=25˚C
Parameter Conditions Min. Typ. Max. Unit
Frequency 824 849 MHz
Maximum Output Power Nominal conditions 32.5 33 dBm
2
nd
Harmonic
3
rd
Harmonic
All other harmonics up to 13 GHz
Pout≤33dBm -40 dBm
Sensitivity -108 dBm
Off current 150 uA
Idle current Average at DRX=5 2.5 mA
Traffic mode current 250 mA
2.4 GSM 900 Electrical characteristics
Nominal Conditions (unless otherwise specified): Vbatt=3.8V Ta=25˚C
Parameter Conditions Min. Typ. Max. Unit
Frequency 880 915 MHz
Maximum Output Power Nominal conditions 32.5 33 dBm
2nd Harmonic
3rd Harmonic
All other harmonics up to 13 GHz
Pout≤33dBm -40 dBm
Sensitivity -106 dBm
Off current 150 uA
Idle current Average at DRX=5 2.5 mA
Traffic mode current 250 mA