MC34118 Datasheet (HTC) - Voice Switched Speakerphone

MC34118, Voice Switched Speakerphone

The MC34118 Voice Switched Speakerphone Circuit incorporates the necessary amplifiers, attenuators, level detectors, and control algorithm to form the heart of a high quality hands-free speakerphone system.

Included are a microphone amplifier with adjustable gain and MUTE control, Transmit and Rece

MC34118 Features

* Improved Attenuator Gain Range: 52dB Between Transmit and Receive

* Low Voltage Operation for Line-Powered Application (3.0V to 6.5V)

* 4-Point Signal Sensing for Improved Sensitivity

* Background Noise Monitors for Both Transmit and Receive Paths

* Micropho