ST5088 - PROGRAMMABLE AUDIO FRONT END FOR DIGITAL PHONES AND ISDN TERMINALS

Description

ST5088 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	ST5088
Manufacturer	STMicroelectronics
File Size	275.15 KB
Description	PROGRAMMABLE AUDIO FRONT END FOR DIGITAL PHONES AND ISDN TERMINALS
Datasheet	ST5088 Datasheet
Additional preview pages of the ST5088 datasheet.

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Full PDF Text Transcription

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® ST5088 PROGRAMMABLE AUDIO FRONT END FOR DIGITAL PHONES AND ISDN TERMINALS 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 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 OUTPUT. SWITCHABLE MAXIMUM GAIN: +9dB/+27dB WITH AUTOMATIC DIGITAL ANTICLIPPING SYSTEM.

Published: Nov 20, 2005 |