SI4431-B1-FMR Silicon Laboratories Inc, SI4431-B1-FMR Datasheet - Page 8

• 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 2. Synthesizer AC Electrical Characteristics
Si4430/31/32-B1
8
Synthesizer Frequency
Range—Si4431/32
Synthesizer Frequency
Range—Si4430
Synthesizer Frequency
Resolution
Reference Frequency
Input Level
Synthesizer Settling Time
Residual FM
Phase Noise
Notes:
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
listed in the "Production Test Conditions" section on page 14.
page 14.
Parameter
2
2
2
2
2
F
Symbol
F
f
F
REF_LV
L(f
RES-HB
t
F
F
RES-LB
LOCK
SYN
SYN
RMS
M
)
Measured from exiting Ready mode with
crystal. Measured peak-to-peak (V
When using external reference signal
Integrated over 250 kHz bandwidth
(500 Hz lower bound of integration)
driving XOUT pin, instead of using
XOSC running to any frequency.
Including VCO Calibration.
High Band, 480–960 MHz
Low Band, 240–480 MHz
Rev 1.1
F = 100 kHz
F = 10 MHz
F = 10 kHz
Conditions
F = 1 MHz
1
PP
)
Min
240
900
0.7
—
—
—
—
—
—
—
—
156.25
312.5
–115
–130
Typ
200
–80
–90
—
—
—
2
Max
930
960
1.6
—
—
—
—
—
—
—
4
kHz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
Units
MHz
MHz
Hz
Hz
µs
V
RMS