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SI4432 Datasheet, PDF (2/2 Pages) Silicon Laboratories – Silicon Laboratonies SI4432/31/30 highly-integrated, single chip wireless ISM transceiver is part of the EZRadioPRO
Si4432/31/30
ISM Transceiver
Selected Electrical Specifications
Parameter
Supply Voltage Range
Power Saving Modes
RX Mode Current
TX Mode Current (Si4432)
TX Mode Current (Si4430/31)
Synthesizer Frequency Range
(Si4432/31)
Synthesizer Frequency Range
(Si4430)
Synthesizer Frequency
Resolution
RX Sensitivity
RX Bandwidth
Output Power Range (Si4432)
Output Power Range (Si4431/30)
TX RF Output Steps
Operating Ambient Temperature
Range
Symbol
Test Condition
Min
Vdd
1.8
IShutdown
RC Oscillator, Main Digital Regulator,
and Low Power Digital Regulator OFF
—
IStandby
Register values retained, Main Digital
Regulator and RC Oscillator OFF
—
RC Oscillator ON,
ISleep Register values retained, Main Digital —
Regulator OFF
IRX
—
ITX_+20
txpow[2:0] = 011 (+20 dBm),
VDD = 3.3 V
—
ITX_+11
txpow[2:0] = 000 (+11 dBm),
VDD = 3.3 V
—
ITX_+13
txpow[2:0] = 111 (+13 dBm),
VDD = 3.3 V
—
ITX_+1
txpow[2:0] = 100 (+1 dBm),
VDD = 3.3 V
—
FSYNTH-LB
Low Band
240
FSYNTH-HB
High Band
480
Typ
3.0
10
400
800
18.5
80
27
28
16
—
—
Max
3.6
—
—
—
—
—
—
—
—
480
930
FSYNTH-HB
High Band
900
—
960
FRES-LB
FRES-HB
PRX_2
Low Band
High Band
(BER < 0.1%)
(2 kbps, GFSK, BT = 0.5,
f = 5 kHz)2
— 156.25 —
— 312.5 —
—
–118
—
BW
2.6
—
620
PTX
Power control by txpow[2:0] Register 11
—
20
PTX
Power control by txpow[2:0] Register –8
—
13
PRF_OUT Controlled by txpow[2:0] Register
—
3
—
TA
–40
85
Unit
V
nA
nA
nA
mA
mA
mA
mA
mA
MHz
MHz
MHz
Hz
Hz
dBm
kHz
dBm
dBm
dB
°C
Pin Assignments
20-pin QFN Package Information
VDD_RF
TX
RXp
RXn
VR_IF
Metal
Paddle
20 19 18 17 16
1
15
2
14
3
13
4
12
5
11
6 7 8 9 10
SCLK
SDI
SDO
VDD_DIG
NC
EZRadioPRO
Copyright © 2009 by Silicon Laboratories
2.20.09
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