UTC34018 - Voice Switched Speakerphone

Youwang

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Datasheet Details

Part number	UTC34018
Manufacturer	Youwang
File Size	265.17 KB
Description	Voice Switched Speakerphone
Datasheet	UTC34018_Youwang.pdf

UTC34018 Product details

Description

LI NEAR I NTEGRATED CI RCUI T The UTC34018 speakerphone integrated circuit incorporates the necessary amplifier, attenuators, and control functions to produce a high quality hands-free speakerphone system.Included are a microphone amplifier, a power audio amplifier for the speaker, transmit and receive attenuators, a monitoring system for background sound level, and an attenuation control system which responds to the relative transmit and receive levels as well as the background level.Also i

Features

All necessary level detection and attenuation controls for a hand-free telephone in a single integrated circuit.
Background noise level monitoring with long time constant.
Wide operating dynamic range through signal compression.
On-chip supply and reference voltage regulation.
Typical 100mW output power(into 25 ohms)with peak limiting to minimize distortion.
Chip Select pin for active/standby operation.
Linear Volume control function.
Standard 28-pin plastic DIP.

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Published: Aug 1, 2009 |