[MX-COM]

The MX839 is a low power CMOS µC peripheral device which provides digitally controlled calibration, trimming, and monitoring functions for PCS, cellular, LMR, wireless transceivers, and general purpose applications.

Features

• 4 input intelligent 10 bit A/D monitoring subsystem

4 High and 4 Low Comparators

External IRQ Generator

Free Running Operation

• Three 8/10 bit DACs

• Two Variable Attenuators

• Selectable A/D Clock Frequencies

• Full Control via 4-wire Serial Interface

• Low Power 3.0 Operation

Applications

• PCS, Cellular, LMR, Wireless Transceivers, and General Purpose

• Monitor and Control: RSSI, Battery State, Temperature, VSWR, and Error Voltages

• Digital Trim and Calibration: VCOs, TCXO, Power Output, Bias, Current, IF Gain, Deviation, Modulation Depth, and Baseband Gain