SI4431-A0-FM Silicon Laboratories Inc, SI4431-A0-FM Datasheet - Page 10

• Manufacturer Part Number: SI4431-A0-FM
• Description: IC TXRX ISM 930MHZ 3.6V 20-QFN
• Manufacturer: Silicon Laboratories Inc

Specifications of SI4431-A0-FM

• Package / Case: 20-QFN
• Mfg Application Notes: Transitioning SI4430/31 to Rev B
• Frequency: 240MHz ~ 930MHz
• Data Rate - Maximum: 128kbps
• Modulation Or Protocol: FSK, GFSK, OOK
• Power - Output: 13dBm
• Sensitivity: -118dBm
• Voltage - Supply: 1.8 V ~ 3.6 V
• Current - Receiving: 18.5mA
• Current - Transmitting: 28mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Number Of Receivers: 2
• Number Of Transmitters: 1
• 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: 28 mA
• Minimum Operating Temperature: - 40 C
• Modulation: FSK, GFSK, OOK
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Applications: -
• Memory Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 336-1633-5

Table 3. Receiver AC Electrical Characteristics
RX Frequency
Range
RX Sensitivity
RX Bandwidth
Residual BER
Performance
Input Intercept Point,
3
LNA Input Impedance
(Unmatched, measured
differentially across RX
input pins)
RSSI Resolution
1-Ch Offset Selectivity
(BER < 0.1%)
2-Ch Offset Selectivity
(BER < 0.1%)
 3-Ch Offset Selectivity
(BER < 0.1%)
Blocking at 1 MHz
Blocking at 4 MHz
Blocking at 8 MHz
Image Rejection
Spurious Emissions
Notes:
Si4431
10
rd
1. All specification guaranteed by production test unless otherwise noted.
2. Guaranteed by qualification.
Order
Parameter
2
2
2
2
2
2
2
2
2
2
2
2
F
F
1M
4M
8M
P
RES
P
P
Symbol
P
P
SYNTH-HB
SYNTH-LB
C/I
C/I
C/I
P
IIP3
R
P
RX_OOK
RX_RES
Im
OB_RX1
RX_100
RX_125
RX_40
BW
IN-RX
RX_2
BLOCK
BLOCK
BLOCK
1-CH
2-CH
3-CH
REJ
RSSI
RX
40 kbps F = 20 kHz GFSK with BT = 0.5,
Desired Ref Signal 3 dB above sensitivity.
Desired Ref Signal 3 dB above sensitivity.
40 kbps F = 20 kHz GFSK with BT = 0.5
Interferer and desired modulated with
Interferer and desired modulated with
(4.8 kbps, 350 kHz BW, OOK)
(40 kbps, 400 kHz BW, OOK)
f
(100 kbps, GFSK, BT = 0.5,
(125 kbps, GFSK, BT = 0.5,
1
channel spacing = 150 kHz
(40 kbps, GFSK, BT = 0.5,
Up to +5 dBm Input Level
(2 kbps, GFSK, BT = 0.5,
Preliminary Rev. 0.4
= 915 MHz, f
Measured at RX pins
P
(LO feed through)
f = 62.5 kHz)
1
f = 20 kHz)
f = 50 kHz)
(BER < 0.1%)
(BER < 0.1%)
(BER < 0.1%)
(BER < 0.1%)
(BER < 0.1%)
(BER < 0.1%)
f = 5 kHz)
= P
1
Conditions
IF=937 kHz
High Band
Low Band
915 MHz
868 MHz
433 MHz
315 MHz
2
= –40 dBm
2
= 915 MHz,
2
2
2
1
1
2
Min
240
480
2.6
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
79–110j
96–134j
40–55j
44–58j
–107
–103
–101
–102
–118
–110
±0.5
Typ
–20
–31
–35
–40
–52
–56
–63
–30
—
—
—
—
0
Max
480
930
620
–54
0.1
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Units
MHz
MHz
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
ppm
kHz
dB
dB
dB
dB
dB
dB
dB
dB
