Datasheet Details
Part number:
MC145564, MC145554
Manufacturer:
Motorola
File Size:
308.28 KB
Description:
Pcm codec filter.
Note:
This datasheet PDF includes multiple part numbers: MC145564, MC145554.
Please refer to the document for exact specifications by model.
MC145564, MC145554, PCM Codec Filter
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.
Once the voice is digitized, it may be switched by digital switching methods or transmitted long distance
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
MC145564 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 CERAMIC PACKAGE CASE 620 MC145554/57 P SUFFIX
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