S5T8557B Overview
Description
The S5T8554B/7B are single-chip PCM encoders and decoders (PCM CODECs) and PCM line filters. These devices provide all the functions required to interface a full-duplex voice telephone circuit with a time-division-multiplex (TDM) system.
Key Features
- Complete CODEC and filtering system
- Meets or exceeds AT&T D3/D4 and CCITT specifications ยต-Law: S5T8554B, A-Law: S5T8557B
- On-chip auto zero, sample and hold, and precision voltage references
