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U4087B Datasheet - TEMIC Semiconductors

U4087B_TEMICSemiconductors.pdf

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Datasheet Details

Part number:

U4087B

Manufacturer:

TEMIC Semiconductors

File Size:

133.92 KB

Description:

Low voltage voice switch interface circuit.

U4087B, Low Voltage Voice Switch Interface Circuit

The voice switch interface circuit U4087B is a linear integrated circuit for improvement of handsfree performance of U4090B system.

The U4087B provides an optimized interface to U4090B, the necessary level detectors and switching control for a properly operating speakerphone.

The detection sensitivi

U4087B Features

* D Low voltage operation: 3.0 to 7.0 V D Four point signal sensing D Monitoring system for background noise level D Case: SO 16 D Chip Disable for active/standby operation Benefits D Fast channel switching allows quasi duplex operation D Low current consumption Block Diagram TLO2 16 TLI2 15 Logic N

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