Manufacturer Part Number
SI4421-A0-FTR
Manufacturer
Energy Micro (Silicon Labs)
Introduction
High-performance, low-power RF transceiver IC for ISM band applications
Product Features and Performance
Supports 315MHz, 434MHz, 868MHz, and 915MHz frequency bands
Operating temperature range of -40°C to 85°C
Transmit power up to 7dBm
Receive sensitivity down to -110dBm
Data rates up to 256kbps
Transmit current consumption of 15mA to 24mA
Receive current consumption of 11mA to 13mA
Integrated SPI interface for easy microcontroller integration
Product Advantages
Low power consumption for extended battery life
High sensitivity and output power for reliable wireless links
Wide frequency range and data rate support for versatile applications
Small 16-TSSOP package for compact designs
Key Technical Parameters
Supply voltage range: 2.2V to 3.8V
Frequency bands: 315MHz, 434MHz, 868MHz, 915MHz
Modulation: FSK
Sensitivity: -110dBm
Output power: 7dBm
Data rate: Up to 256kbps
Quality and Safety Features
RoHS compliant
Supported in tape and reel (TR) packaging
Compatibility
Suitable for a wide range of ISM band wireless applications
Application Areas
Wireless sensor networks
Home and building automation
Industrial control and monitoring
Remote control devices
Wireless alarm systems
Product Lifecycle
Currently available product
No known plans for discontinuation
Compatible replacement or upgrade options available
Several Key Reasons to Choose This Product
High performance and low power characteristics for efficient wireless links
Wide frequency and data rate support for flexible design options
Small package size enabling compact end-product designs
RoHS compliance and tape-and-reel packaging for ease of integration
Proven reliability and extensive support from the manufacturer