SI4461-C2A-GMR - Silicon Labs

Manufacturer Part Number

SI4461-C2A-GMR

Manufacturer

Energy Micro (Silicon Labs)

Introduction

The SI4461 is a highly integrated, low-power, high-performance sub-GHz transceiver IC for the ISM (Industrial, Scientific and Medical) and SRD (Short Range Device) frequency bands.

Product Features and Performance

Operates in the 142MHz to 1.05GHz frequency range

Supports various modulation schemes including 4GFSK, GFSK, GMSK, and OOK

Delivers up to 16dBm output power

Achieves a sensitivity of -129dBm

Supports data rates up to 1Mbps

Consumes 10.9mA to 13.7mA in Receive mode and 33.5mA to 43mA in Transmit mode

Operates from a 1.8V to 3.6V supply voltage

Integrated 4 GPIOs for flexible control and monitoring

Product Advantages

Highly integrated sub-GHz transceiver with excellent RF performance

Low power consumption for extended battery life in IoT and wireless sensor applications

Configurable parameters for optimizing power, range, and data rate

Flexible modulation schemes for compatibility with various protocols

Small 20-VFQFN package for compact designs

Key Technical Parameters

Frequency Range: 142MHz to 1.05GHz

Supply Voltage: 1.8V to 3.6V

Output Power: 16dBm

Sensitivity: -129dBm

Data Rate: Up to 1Mbps

Modulation Schemes: 4GFSK, GFSK, GMSK, OOK

GPIO: 4

Quality and Safety Features

RoHS compliant

20-VFQFN package

Compatibility

Suitable for a wide range of IoT and wireless sensor applications in the sub-GHz ISM and SRD frequency bands

Application Areas

Industrial automation

Building automation

Security systems

Smart metering

Wireless sensor networks

Remote control applications

Product Lifecycle

Currently available and in production

No information on discontinuation or replacements available

Key Reasons to Choose This Product

Excellent RF performance with high output power and sensitivity

Low power consumption for extended battery life

Flexible modulation schemes for compatibility with various protocols

Small package size for compact design integration

RoHS compliance for environmentally-friendly applications