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Digital volume control circuit

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DUAL ELECTRONIC VOLUME CONTROL

The KA2250 is a CMOS designed for electronization of dual volumes.
It is suitable for M/C, car stereos.

FEATURES

Wide supply voltage range: Vdd=6V~12V
(Backup is possible up to 4V)
Attenuation can be controlled from 0dB to -66dB by 2dB/step.
Controlling attenuation by means of the built in osc and the up/down terminals.
Single power supply operation as well as split power supply operation.

Digital volume control circuit KA2250B



Digital volume control circuit KA2250 B
Digital volume control circuit KA2250A


Digital volume control circuit KA2250A

Digital volume control circuit KA2250B



Digital volume control circuit KA2250B
 

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