ST5080A - PIAFE PROGRAMMABLE ISDN AUDIO FRONT END

Description

ST5080A PIAFE is a combined PCM CODEC/FILTER device optimized for ISDN Terminals and Digital Telephone applications.

This device is A-law and Mu-law selectable and offers a number of programmable functions accessed through a serial control channel.

Features

Complete CODEC and FILTER system including: PCM ANALOG TO.

ST Microelectronics

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Datasheet Details

Part number	ST5080A
Manufacturer	STMicroelectronics
File Size	347.72 KB
Description	PIAFE PROGRAMMABLE ISDN AUDIO FRONT END
Datasheet	ST5080A Datasheet
Additional preview pages of the ST5080A datasheet.

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Full PDF Text Transcription

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ST5080A PIAFE PROGRAMMABLE ISDN AUDIO FRONT END ADVANCE DATA FEATURES: Complete CODEC and FILTER system including: PCM ANALOG TO DIGITAL AND DIGITAL TO ANALOG CONVERTERS POWERFUL ANALOG FRONT END CAPABLE TO INTERFACE DIRECTLY: - Microphone Dynamic, Piezo or Electrete - Earpiece down to 100Ω or up to 150nF - Loudspeaker down to 50Ω or Buzzer up to 600nF. TRANSMIT BAND-PASS FILTER ACTIVE RC NOISE FILTER RECEIVE LOW-PASS FILTER WITH SIN X/X CORRECTION MU-LAW OR A-LAW SELECTABLE COMPANDING CODER AND DECODER PRECISION VOLTAGE REFERENCE Phones Features: DUAL SWITCHABLE MICROPHONE AMPLIFIER INPUTS. GAIN PROGRAMMABLE: 15 dB RANGE, 1 dB STEP. LOUDSPEAKER AMPLIFIER AUXILIARY OUTPUT. ATTENUATION PROGRAMMABLE: 30 dB RANGE, 2 dB STEP. SEPARATE EARPIECE AMPLIFIER OUTPUT.

Published: Nov 20, 2005 |