UTC34018 Datasheet - Youwang

UTC34018 Voice Switched Speakerphone

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 r.

UTC34018 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

UTC34018_Youwang.pdf