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)