SI4421-A0-FTR - Silicon Labs

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