U4087B - Low Voltage Voice Switch Interface Circuit

TEMIC Semiconductors

Datasheet Details

Part number	U4087B
Manufacturer	TEMIC Semiconductors
File Size	133.92 KB
Description	Low Voltage Voice Switch Interface Circuit
Datasheet	U4087B_TEMICSemiconductors.pdf

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

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 Noise detector CPT 14 VB 7 VM 13 CD GND 6 5 TLO1 2 Logic 1 TLI1 Bias = +.
+ TS DIRE Logic DIRA Charge RLI2 9 Logic 8 RLO2 12 CT C. T. Generator 10 TLDR 11 TLDT Discharge.

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Published: Mar 8, 2010 |