SI4431-A0-FM Silicon Laboratories Inc, SI4431-A0-FM Datasheet - Page 142
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SI4431-A0-FM
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SI4431-A0-FMR
Manufacturer:
SILICON
Quantity:
3 500
Part Number:
SI4431-A0-FMR
Manufacturer:
SILICONLABS/芯科
Quantity:
20 000
Register 65h. LDO Control Override
Register 66h. LDO Level Settings
Si4431
Reset value = 10000001
Reset value = 00000011
142
Name
Name
Type
Type
Bit
Bit
2:0
Bit
Bit
7
6
5
4
3
2
1
0
7
6
5
4
3
endigpwdn
Reserved
enspor
envcoldo
endigldo
enovr
enpllldo
R/W
enspor
enrfldo
R/W
enrc32
enbias
enifldo
Name
Name
enxtal
D7
D7
enovr
diglvl
ents
Smart POR Enable.
Bias Enable.
VCO LDO Enable.
IF LDO Enable.
RF LDO Enable.
PLL LDO Enable.
Digital LDO Enable.
Digital Power Domain Powerdown Enable in Idle Mode.
Enable Overrides.
If high, ovr values are output to the blocks and can enable or disable them, if low, some
ovr value can only enable the blocks.
Xtal Override Enable Value.
Temperature Sensor Enable.
32K Oscillator Enable.
Reserved.
Digital LDO Level Setting.
enbias
enxtal
R/W
R/W
D6
D6
envcoldo
R/W
R/W
ents
D5
D5
Preliminary Rev. 0.4
enrc32
enifldo
R/W
R/W
D4
D4
Reserved
Function
Function
enrfldo
R/W
D3
D3
R
enpllldo
R/W
D2
D2
endigldo
diglvl
R/W
R/W
D1
D1
endigpwdn
R/W
D0
D0