AS2520B - Telephone Speech Circuit with Loudhearing and Handsfree

Product Overview

austriamicrosystems AG

Part number	AS2520B
Manufacturer	austriamicrosystems AG
File Size	96.70 KB
Description	Telephone Speech Circuit with Loudhearing and Handsfree
Datasheet	AS2520B Datasheet
Additional preview pages of the AS2520B datasheet.

The AS2520/21/20B/21B are CMOS integrated circuits that contain all the audio functions needed to form a high comfort, line-powered telephone.

u Line/speech circuit, loudhearing, handsfree and dc/dc converter on one 28 pin CMOS chip u Operating range from 13 to 100 mA (down to 5 mA with reduced performance) u Soft clipping control eliminating harsh distortion u Volume control of receive signal with squelch and automatic loop gain compensation u Line loss compensation pin selectable u Low noise (max. - 72 dBmp) u Real or complex impedance adjustable u NET 4 compatible u Dynamically controlled voice switching u Same monitor amplifier for.

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Published: Mar 24, 2005 |