Description

Silicon Laboratories’ Si4032-V2-FM is a fully-integrated crystalless CMOS high-data-rate RF transmitter designed for the sub-GHz ISM band. This chip is optimized for battery powered applications requiring low standby currents and high output transmit power.

Specifications and features

- Frequency range: 27–960 MHz
- Output power range: -13 to +10 dBm
- Low Power Consumption: OOK - 14.2mA @ +10dBm, FSK - 19.8mA @ +10dBm
- Data rate: Up to 100 kbaud FSK, Up to 50 kbaud OOK
- FSK and OOK modulation
- Power supply: 1.8 to 3.6 V
- Automatic antenna tuning
- Programmable ramp rate
- Crystal-less operation: ±150 ppm: 0 to 70° C, ±250 ppm: –40 to 85° C
- Optional crystal input for applications requiring tighter tolerances
- Ultra low standby current <10 nA
- Integrated voltage regulator
- 255 byte FIFO
- Low battery detector
- SMBus Interface
- Temperature range: –40 to +85 °C
- 10-Pin MSOP Package, RoHs compliant
- Low BOM

Application Scenarios

- Wireless MBus T1-mode
- Remote control
- Home security & alarm
- Personal data logging
- Toy control
- Wireless PC peripherals
- Remote meter reading
- Remote keyless entry
- Home automation
- Industrial control
- Sensor networks
- Health monitors

Comparison

- Fully-integrated crystalless CMOS design
- High-data-rate RF transmission
- Optimized for battery powered applications
- Low standby currents and high output transmit power
- Wide frequency range: 27–960 MHz
- Various modulation options: FSK and OOK
- Automatic antenna tuning for optimal performance
- Crystal-less operation with optional crystal input
- Ultra low standby current: <10 nA
- Integrated voltage regulator for efficient power management
- SMBus Interface for easy connectivity
- Wide temperature range: –40 to +85 °C
- Compact 10-Pin MSOP Package

- Limited output power range: -13 to +10 dBm
- Requires a power supply of 1.8 to 3.6 V
- Low BOM might restrict flexibility in certain applications
- Standby current <10 nA might not be suitable for high-demand scenarios