SI4311-B21-GM - Silicon Labs

Manufacturer Part Number

SI4311-B21-GM

Manufacturer

Energy Micro (Silicon Labs)

Introduction

Highly integrated RF receiver IC for 315MHz and 434MHz frequency bands

Part of the EZRadio series

Product Features and Performance

Operates in the 315MHz and 434MHz frequency ranges

Supports FSK modulation with data rates up to 10kbps

Excellent receiver sensitivity of -104dBm

Low current consumption of 20mA in receive mode

Wide operating temperature range of -40°C to 85°C

Available in a compact 20-QFN (3x3) package

Product Advantages

Highly integrated design reduces external component count

Low power consumption suitable for battery-powered applications

Robust and reliable performance across a wide temperature range

Flexible frequency and modulation support

Key Technical Parameters

Frequency: 315MHz, 434MHz

Modulation: FSK

Data Rate (Max): 10kbps

Sensitivity: -104dBm

Supply Voltage: 2.7V to 3.6V

Operating Temperature: -40°C to 85°C

Package: 20-QFN (3x3)

Quality and Safety Features

RoHS compliant

Suitable for surface mount assembly

Compatibility

Designed for use in a variety of home automation, remote sensing, and remote keyless entry (RKE) applications

Application Areas

Home Automation

Remote Sensing

Remote Keyless Entry (RKE)

Product Lifecycle

Currently in production

Replacement or upgrade options available from the manufacturer

Key Reasons to Choose

Highly integrated design with small footprint

Excellent RF performance with high sensitivity and low power consumption

Wide operating temperature range for reliable operation in diverse environments

Flexible frequency and modulation support for various application requirements

Proven reliability and quality from a leading semiconductor manufacturer