General Description

The MICRF112 is a high performance, easy to use, single chip ASK / FSK Transmitter IC for remote wireless applications in the 300 to 450MHz frequency band. This transmitter IC is a true “data-in, antenna-out” monolithic device.

Features

Complete UHF transmitter

Frequency range 300MHz to 450MHz

Data rates up to 50kbps ASK, 10kbps FSK

Output Power to 10dBm

Low external part count

Low standby current <1µA

Low voltage operation (down to 1.8V)

Operate with crystals or ceramic resonators

Applications

Remote Keyless Entry Systems (RKE)

Remote Control (STB, HVAC and Appliances)

Garage Door Opener Transmitters

Remote Sensor Data Links

Infrared Transmitter Replacement

Tire Pressure Monitor System (TPMS)