digital volume control circuit

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...