Datasheet Summary
DATA SHEET
MOS INTEGRATED CIRCUIT
µPD9903
µPD9903 ANALOG SUBSCRIBER LINE LSI (DIGITAL CODEC)
The µPD9903 is a digital CODEC that can be used in analog subscriber circuits such as private branch exchangers (PBXs) and switching equipment for central offices. It Features three of the functions required for analog subscriber circuits: 2W/4W conversion, CODEC supervision, and subscriber line supervision. Use of the µPD9903 in bination with a BS-SLIC (µPC7073) can reduce the number of ponents required in analog subscriber circuits.
Features
- Single-chip monolithic LSI (CMOS)
- PCM CODEC → oversampling-type A/D and D/A converters
- Programmable functions
- Termination impedance
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