Parameters |
Mount |
Surface Mount |
Mounting Type |
Surface Mount |
Package / Case |
20-VFQFN Exposed Pad |
Number of Pins |
20 |
Weight |
42.949528mg |
Operating Temperature |
-40°C~85°C |
Packaging |
Tube |
Published |
2000 |
Part Status |
Obsolete |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Type |
TxRx Only |
Voltage - Supply |
1.8V~3.6V |
Frequency |
240MHz~930MHz |
Max Supply Current |
28mA |
Power - Output |
13dBm Max |
RF Family/Standard |
General ISM < 1GHz |
Data Rate (Max) |
128kbps |
Serial Interfaces |
SPI |
Current - Receiving |
18.5mA |
Current - Transmitting |
18mA~28mA |
Number of Receivers |
2 |
Modulation |
FSK, GFSK, OOK |
Sensitivity (dBm) |
-118 dBm |
Number of Transmitters |
1 |
GPIO |
3 |
Radiation Hardening |
No |
RoHS Status |
RoHS Compliant |
SI4431-A0-FM Overview
20-VFQFN Exposed Pad package saves space on the board. As a RF transceiver's mounting method, Surface Mount is used.Initially, it emerges as a TxRx Only with transceiver RF's high efficiency and a high degree of reliability.Advanced transceiver RF' packaging Tube is used to provide high reliability.20 pins are on the transceiver RF circuit board.The transceiver is mounted by a Surface Mount-axis.The frequency of 240MHz~930MHz is used as the basis for RF transceivers operation.
SI4431-A0-FM Features
20-VFQFN Exposed Pad package
Surface Mount for mounting
TxRx Only
Tube is used
20 pins
SI4431-A0-FM Applications
There are a lot of Silicon Labs SI4431-A0-FM RF Transceiver ICs applications.
- Fitness
- POS Terminals
- Digital Remote
- Low Noise Amplifier (LNA)
- Chemical Sensors
- Receive
- Remote Device Management
- Industrial Controls
- Internet Radio
- Smart Meters