MC145481 Datasheet - Motorola

MC145481 3V PCM CODEC-FILTER

A PCM Codec *Filter is used for digitizing and reconstructing the human voice. These devices are used 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 (.

www.DataSheet4U.com MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by MC145481/D MC145481 Product Preview 3 V PCM Codec-Filter The MC145481 is a general purpose per channel PCM Codec Filter with pin selectable Mu Law or A Law companding, and is offered in 20 pin SOG and SSOP packages. This device performs the voice digitization and reconstruction as well as the band limiting and smoothing required for PCM systems. This device is designed to operate.

MC145481 Features

* This pin controls the compression for the encoder and the expansion for the decoder. Mu

* Law companding is selected when this pin is connected to VDD and A

* Law companding is selected when this pin is connected to VSS. PDI Power

* Down Input (Pin 10) This pin puts the device into

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