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MC145554 - PCM Codec Filter

Description

A codec

filter is used for digitizing and reconstructing the human voice.

These devices were developed primarily for the telephone network to facilitate voice switching and transmission.

Features

  • of the MC145554/57 Plus:.
  • Mu.
  • Law Companding MC145564.
  • A.
  • Law Companding MC145567.
  • Push.
  • Pull Power Drivers with External Gain Adjust.
  • Analog Loopback MC145554 MC145557 MC145564 MC145567 L SUFFIX.

📥 Download Datasheet

Datasheet preview – MC145554

Datasheet Details

Part number MC145554
Manufacturer Motorola
File Size 308.28 KB
Description PCM Codec Filter
Datasheet download datasheet MC145554 Datasheet
Additional preview pages of the MC145554 datasheet.

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Full PDF Text Transcription

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MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by MC145554/D PCM Codec-Filter The MC145554, MC145557, MC145564, and MC145567 are all per channel PCM Codec–Filters. These devices perform the voice digitization and reconstruction as well as the band limiting and smoothing required for PCM systems. They are designed to operate in both synchronous and asynchronous applications and contain an on–chip precision voltage reference. The MC145554 (Mu–Law) and MC145557 (A–Law) are general purpose devices that are offered in 16–pin packages. The MC145564 (Mu–Law) and MC145567 (A–Law), offered in 20–pin packages, add the capability of analog loopback and push–pull power amplifiers with adjustable gain.
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