PRODUCT OVERVIEW

The MX93000 Special Codec integrates key functions of the analog-front-end of Digital Answering Machine (DAM) into a single integrated circuit. The MX93000 is intended to provide a complete, low cost, and single chip solution for telephone applications requiring a single +5V power supply.

FEATURES

• Single +5V power supply

• Sigma-Delta A/D D/A with digital filters

• Support u/A Law and 16-bit linear format

• On-chip automatic level control

• On-chip differential line driver

• On-chip digital volume control

• Programmable transmit/receive gain control

• Support switch paths for DAM (Digital Answering Machine) applications

• Easy interface to general purpose DSPs

• Easy read/write of control register by microprocessors

• Programmable power-down

• Support power-low/battery-low detection

• 28-pin DIP/SOP package