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ETC5054 Datasheet

Serial Interface Codec/filter

Manufacturer: STMicroelectronics

This datasheet includes multiple variants, all published together in a single manufacturer document.

ETC5054 Overview

The ETC5057/ETC5054 family consists of A-law and µ law monolithic PCM CODEC/filters utilizing the A/D and D/A conversion architecture shown in the block diagram below, and a serial PCM interface. The devices are fabricated using doublepoly CMOS process. The encode portion of each device consists of an input gain adjust amplifier, an active RC pre-filter which eliminates very high frequency noise prior to entering a...

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