Description
The MAS9191A is a high integration BeCMOS IC for implementing the audio and data signal processing in AMPS, ETACS or NAMPS cellular phones.
Features
- Voice signal processing including compressor, expander, de-emphasis and pre-emphasis filters and digital gain adjustments DTMF and ST generators and DTMF receiver Busy/Idle extraction and arbitration with TX block, voting, BCH, data buffering and framing, DCC coding with hardware Three 8-bit DACs and two operational amplifiers On-chip oscillator with clock output for uP 3.3V or 5V operation with low power consumption(RX block.
MAS9191A Datasheet
