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MC145480 - 5V PCM CODEC-FILTER

Description

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.

Features

  • n may be connected to the VAG pin for an inverting amplifier configuration if the input signal is already referenced to the VAG pin. The common mode range of the TI+ and TI.
  • pins is from 1.2 V, to VDD minus 2 V. This is an FET gate input. Connecting both TI+ and TI.
  • pins to V DD will place this amplifier’s output (TG) into a high.
  • impedance state, thus allowing the TG pin to serve as a high.
  • impedance input to the transmit filter. TI.
  • Transmit Analog Input.

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Datasheet preview – MC145480

Datasheet Details

Part number MC145480
Manufacturer Motorola
File Size 410.06 KB
Description 5V PCM CODEC-FILTER
Datasheet download datasheet MC145480 Datasheet
Additional preview pages of the MC145480 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by MC145480/D MC145480 5 V PCM Codec-Filter The MC145480 is a general purpose per channel PCM Codec–Filter with pin selectable Mu–Law or A–Law companding, and is offered in 20–pin DIP, 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 in both synchronous and asynchronous applications and contains an on–chip precision reference voltage. This device has an input operational amplifier whose output is the input to the encoder section.
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