SI4431-B1-FM Silicon Laboratories Inc, SI4431-B1-FM Datasheet - Page 2

• Manufacturer Part Number: SI4431-B1-FM
• Description: IC TXRX 240-930MHZ -8-13DB 20QFN
• Manufacturer: Silicon Laboratories Inc

Specifications of SI4431-B1-FM

• Package / Case: 20-VQFN
• Mfg Application Notes: Transitioning SI4430/31 to Rev B
• Frequency: 240MHz ~ 930MHz
• Data Rate - Maximum: 256kbps
• Modulation Or Protocol: FSK, GFSK, OOK
• Applications: General Purpose
• Power - Output: 13dBm
• Sensitivity: -121dBm
• Voltage - Supply: 1.8 V ~ 3.6 V
• Current - Receiving: 18.5mA
• Current - Transmitting: 30mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Wireless Frequency: 240 MHz to 930 MHz
• Output Power: 13 dBm
• Operating Supply Voltage: 1.8 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Maximum Supply Current: 30 mA
• Minimum Operating Temperature: - 40 C
• Modulation: FSK, GFSK, OOK
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Product Depth (mm): 4mm
• Product Length (mm): 4mm
• Operating Supply Voltage (min): 1.8V
• Operating Supply Voltage (typ): 3V
• Operating Supply Voltage (max): 3.6V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Selected Electrical Specifications
EZRadioPRO
Supply Voltage Range
Power Saving Modes
TX Mode Current (Si4432)
TX Mode Current (Si4430/31)
Synthesizer Frequency Range
(Si4432/31)
Synthesizer Frequency Range
(Si4430)
Synthesizer Frequency
Resolution
RX Bandwidth
Output Power Range (Si4432)
Output Power Range (Si4431/30)
TX RF Output Steps
Operating Ambient Temperature
Range
VDD_RF
RX Mode Current
RX Sensitivity
VR_IF
Paddle
RXp
RXn
Metal
TX
Pin Assignments
Other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders.
1
2
3
4
5
Parameter
20
6
19 18 17
7
8
9
10
16
Silicon Laboratories and Silicon Labs are trademarks of Silicon Laboratories Inc.
15
14
13
12
11
SCLK
SDI
SDO
VDD_DIG
NC
F
F
F
P
I
Symbol
F
SYNTH-HB
SYNTH-HB
F
Shutdown
SYNTH-LB
I
I
I
I
I
P
Standby
TX_+20
TX_+11
TX_+13
I
RES-HB
RES-LB
TX_+1
RF_OUT
Sleep
V
BW
P
P
Copyright © 2009 by Silicon Laboratories
I
RX_2
T
RX
TX
TX
dd
A
and Low Power Digital Regulator OFF
Register values retained, Main Digital
Register values retained, Main Digital
RC Oscillator, Main Digital Regulator,
Power control by txpow[2:0] Register
Power control by txpow[2:0] Register
Regulator and RC Oscillator OFF
Controlled by txpow[2:0] Register
txpow[2:0] = 011 (+20 dBm),
txpow[2:0] = 000 (+11 dBm),
txpow[2:0] = 111 (+13 dBm),
txpow[2:0] = 100 (+1 dBm),
(2 kbps, GFSK, BT = 0.5,
RC Oscillator ON,
Test Condition
Regulator OFF
(BER < 0.1%)
f = 5 kHz)
VDD = 3.3 V
VDD = 3.3 V
VDD = 3.3 V
VDD = 3.3 V
20-pin QFN Package Information
High Band
High Band
High Band
Low Band
Low Band
2
Min
240
480
900
–40
1.8
2.6
11
–8
—
—
—
—
—
—
—
—
—
—
—
—
156.25
Si4432/31/30
312.5
–118
18.5
Typ
400
800
3.0
10
80
27
28
16
—
—
—
—
—
—
3
ISM Transceiver
Max
480
930
960
620
3.6
—
20
13
85
—
—
—
—
—
—
—
—
—
—
—
MHz
MHz
MHz
dBm
dBm
dBm
Unit
kHz
mA
mA
mA
mA
mA
nA
nA
nA
Hz
Hz
dB
°C
V
2.20.09