SI4431-B1-FM Silicon Laboratories Inc, SI4431-B1-FM Datasheet - Page 2
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SI4431-B1-FM
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SI4431-B1-FMR
Manufacturer:
TE
Quantity:
2 000
Part Number:
SI4431-B1-FMR
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
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