XR-T6420-1 Datasheet (Exar) - Speakerphone Audio Circuit

XR-T6420-1, Speakerphone Audio Circuit

The XR-T6420-1 is a monolithic integrated circuit for use in high performance speakerphone systems.

It is designed to be used with the XR-T6421 Speakerphone Control Circuit.

The XR-T6420-1 contains the audio paths comprising the following: Two variable gain cells, a microphone amplifier, a transmitt

XR-T6420-1 Features

* Two Matched Variable GaiA Cells Internal Microphone Amplifier Independent Control of Transmitting and Receiving Levels External Control of Gains and Freq

* uency Response GND VCC TXO TXI TXC TVO RX+ RX- ~VV~

* -fl~MC+ MCMCO APPLICATIONS Speakerphones Intercoms Voltage Co