CXA2547Q

CXA2547Q 2-band Electronic Volume For the availability of this product, please contact the sales office. Description The CXA2547Q is a 2-channel electronic volume IC. A 34-bit serial data input controls the level and characteristics of the output signal. It may be used in car stereos and general audio systems. Features Loudness Volume control (from 0 dB to –80 dB, –∞ dB : Fine (1 dB-step) Coarse (8 dB-step) Balance Tone control (2-band, 2 dB-step from –15 dB to +15 dB) Fader 2 dB-step to –20 dB, –25 dB, –35 dB, –45 dB, –60 dB, –∞ dB) Input and gain selector (4 channels) Serial data control (DATA, CLK, CE) Single 8 V power supply Zero-cross detection circuit (L/R independent operation for the volume block) Timer Power-off mute Countermeasure to the noise of the portable telephone Structure Bipolar silicon monolithic IC 48 pin QFP (Plastic) Absolute Maximum Ratings (Ta=25 °C) Supply voltage VCC 13 V Operating temperature Topr –40 to +85 °C Storage temperature Tstg –65 to +150 °C Allowable power dissipation PD 350 mW (Ta=85 °C) Recommended Operating Conditions Supply voltage VCC 7 to 12 V Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of t...