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U4080B

Part Number	U4080B
Manufacturer	TEMIC Semiconductors
Description	Voice-Switched Circuit for Handsfree Operation
Published	Apr 16, 2005
Detailed Description	U4080B Voice-Switched Circuit for Handsfree Operation Description The voice switched speakerphone integrated circuit, U4...
Datasheet	U4080B PDF File

Overview

U4080B Voice-Switched Circuit for Handsfree Operation Description The voice switched speakerphone integrated circuit, U4080B, incorporates a variety of functions (see below).
The versality of the device is further enhanced by the provision of a large number of pins giving access to internal circuit points.
Features D Operates on telephone lines, integrated reference voltage regulation D Output power: 100 mW at a 25-Ω load with peak limitation D Linear volume control D Monitoring system for background sound level D Wide operating dynamic range through signal compression D Chip select pin for active/standby operation Block Diagram / Application Circuit Figure 1.
Block diagram and applica...

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