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XR-T6420-2

Exar
Part Number XR-T6420-2
Manufacturer Exar
Description Speakerphone Audio Circuit
Published Apr 5, 2018
Detailed Description XR-T6420-2 Speakerphone Audio Circuit GENERAL DESCRIPTION The XR-T6420-2 is a monolithic integrated circuit for use in...
Datasheet PDF File XR-T6420-2 PDF File

XR-T6420-2
XR-T6420-2

Overview
XR-T6420-2 Speakerphone Audio Circuit GENERAL DESCRIPTION The XR-T6420-2 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-T6420-2 contains the audio paths comprising the following: Two variable gain cells, a microphone amplifier, a transmitting amplifier, a receive amplifier, and a speaker amplifier.
Mute and enable control logic of the variable gains cells is provided internally.
FEATURES Two Matched Variable Gain Cells Internal Microphone Amplifier Independent Control of Transmitting and Receiving Levels External Control of Gains and Frequency Response Enable and Mute Logi...


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