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XR-T6425 - Speakerphone IC

Description

The XR-T6425 speakerphone IC is a low cost solution for the implementation of a hands-free telephone.

It is a convenient way of carrying on conversation without using the handset.

while the user is talking into a microphone and listening from a loudspeaker located on the desk.

Features

  • Low Operating Voltage (4.5 V) Single Chip Speakerphone No External Adjustments Smooth T/R Switching Background Noise Detection and Suppression On-chip Hybrid Circuit GND BIAS Vee TXTJ RXT J TXM OUT TxLOUT Tx GNF TXG OUT TXS IN DTMFIN VOL Tx eOMP Vo NET TXT 4.

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Other Datasheets by Exar (now MaxLinear)

Part Number Description
XR-T6420-1 Speakerphone Audio Circuit
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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f..Xt(IR XR-T6425 Speakerphone Ie GENERAL DESCRIPTION The XR-T6425 speakerphone IC is a low cost solution for the implementation of a hands-free telephone. It is a convenient way of carrying on conversation without using the handset. while the user is talking into a microphone and listening from a loudspeaker located on the desk. It is ideal for hands-free conference calls. The XR-T6425 contains most of the circuits to eliminate singing and excessive background noise in a single chip solution. FUNCTIONAL BLOCK DIAGRAM FEATURES Low Operating Voltage (4.
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