L38812 Просмотр технического описания (PDF) - Unisonic Technologies

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L38812

VOICE-SWITCH CIRCUIT FOR HANDSFREE SPEAKERPHONE TAM

Unisonic Technologies 

UTC L388 12 LINEAR INTEGRATED CIRCUIT

Mode

Vref

25 dB speech

control

50 dB speech

control

DTMFMute

Total mute

0

1

2

3

Figure 11. Control modes as function of voltage applied to

gain dynamics control input CTR;ID=1mA

UTC assumes no responsibility for equipment failures that result from using products at values that

exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or

other parameters) listed in products specifications of any and all UTC products described or contained

herein. UTC products are not designed for use in life support appliances, devices or systems where

malfunction of these products can be reasonably expected to result in personal injury. Reproduction in

whole or in part is prohibited without the prior written consent of the copyright owner. The information

presented in this document does not form part of any quotation or contract, is believed to be accurate

and reliable and may be changed without notice.

UTC UNISONIC TECHNOLOGIES CO. LTD 8

QW-R108-013,A

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