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XR-T6420-1 - Speakerphone Audio Circuit

General Description

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.

Key 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.

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Full PDF Text Transcription for XR-T6420-1 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for XR-T6420-1. For precise diagrams, and layout, please refer to the original PDF.

XR-T6420-1 Speakerphone Audio Circuit GENERAL DESCRIPTION The XR-T6420-1 is a monolithic integrated circuit for use in high performance speakerphone systems. It is design...

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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 transmitting amplifier, a receive amplifier, and a speaker amplifier.