IDT821034 codec equivalent, quad pcm codec.
* 4 channelCODEC with on-chip digital filters
* Software Selectable A-law/µ-law companding
* Programmablegainsetting
* Automatic master clock frequency s.
such as PBX, Central Office Switch, Digital Telephone and Integrated Voice/ Data Access Unit.
FUNCTIONAL BLOCK DIAGRAM
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The IDT821034 is a single-chip, four channel PCM CODEC with onchip filters and programmable gain setting. This device provides both µ-Law and A-Law companding digital-to-analog and analog-to-digital conversions based on ITU-T G.711 - G.714 specifica.
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