SI4431-B1-FMR Silicon Laboratories Inc, SI4431-B1-FMR Datasheet - Page 7

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

Specifications of SI4431-B1-FMR

• 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
• Package / Case: 20-VQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -

Table 1. DC Characteristics
Supply Voltage Range
Power Saving Modes
TUNE Mode Current
RX Mode Current
TX Mode Current
—Si4432
TX Mode Current
—Si4430/31
Notes:
1. Electrical Specifications
1. All specification guaranteed by production test unless otherwise noted. Production test conditions and max limits are
2. Guaranteed by qualification. Qualification test conditions are listed in the "Production Test Conditions" section on
Parameter
listed in the "Production Test Conditions" section on page 14.
page 14.
I
Symbol
Sensor-LBD
I
I
Sensor-TS
Shutdown
I
I
I
Standby
I
I
TX_+20
TX_+13
I
Ready
I
TX_+1
V
Sleep
Tune
I
RX
DD
1
Low Power Digital Regulator ON (Register values retained)
(Register values retained) and Main Digital Regulator OFF
consumption is dependent on match and board layout.
consumption is dependent on match and board layout.
consumption is dependent on match and board layout.
all other blocks OFF. Crystal Oscillator buffer disabled
Main Digital Regulator and Low Battery Detector ON,
Main Digital Regulator and Temperature Sensor ON,
RC Oscillator and Low Power Digital Regulator ON
and Main Digital Regulator, and RC Oscillator OFF
Using Silicon Labs’ Reference Design. TX current
Using Silicon Labs’ Reference Design. TX current
Using Silicon Labs’ Reference Design. TX current
Crystal Oscillator and Main Digital Regulator ON,
Crystal Oscillator and all other blocks OFF
Crystal Oscillator and all other blocks OFF
and Low Power Digital Regulator OFF
RC Oscillator, Main Digital Regulator,
Synthesizer and regulators enabled
txpow[2:0] = 111 (+20 dBm)
txpow[2:0] = 110 (+13 dBm)
txpow[2:0] = 010 (+1 dBm)
Rev 1.1
Conditions
2
Si4430/31/32-B1
2
2
Min
1.8
—
—
—
—
—
—
—
—
—
—
—
Typ
18.5
450
800
3.0
8.5
15
85
30
17
1
1
1
Max Units
800
3.6
50
—
—
—
—
—
—
—
—
—
mA
mA
mA
mA
mA
nA
nA
µA
µA
µA
µA
V
7