Datasheet Summary
PRELIMINARY DATA SHEET
MOS INTEGRATED CIRCUIT
µPD9611
FOUR-CHANNEL PCM CODEC
The µPD9611 incorporates 4-channel A-law/µ-law PCM CODECs pliant with ITU-T Remendation G.711/ G.714 and is suitable for applications such as PBX analog subscriber line circuits. Its gain setting circuit allows transmit/receive gain to be set for 4 channels independently by externally inputting digital signals.
Features
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Single-chip CMOS monolithic LSI ITU-T Remendation G.711/G.714 pliant Four-channel PCM CODECs integrated on a single chip patible with A-law and µ-law Digital gain setting for each channel
- Transmit : +7.5 to
- 8.0 dB (0.5 dB step)
- Receive : 0 to
- 15.5 dB...