XR-T6420-1 Datasheet - Exar

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

XR-T6420-1-Exar.pdf