CXA1946AQ

CXA1946AQ/AR Electronic Volume For the availability of this product, please contact the sales office. Description The CXA1946AQ/AR is a serial control electronic volume IC designed for use in audio systems. 48 pin QFP (Plastic) 48 pin LQFP (Plastic) Features Loudness Volume control (0dB to –87dB in 1dB step, –∞dB) Balance Tone control (15 steps, 2 bands, –16dB to +16dB) Fader (2dB-step to –20dB, –25dB, –35dB, –45dB, –60dB, –∞dB) Input selector (4 channels) Gain can be set for each input channel (common for channels 3 and 4) Serial data control (DATA, CLK, CE) Single 8V power supply Zero-cross detection circuit (with timer) Power-off mute Volume control and tone control input/output pins are separate. Absolute Maximum Ratings Supply voltage Operating temperature Storage temperature Allowable power dissipation VCC Topr Tstg PD QFP LQFP 13 –40 to +85 –65 to +150 350 180 V °C °C mW (Ta = 85°C) mW (Ta = 85°C) Operating Conditions Supply voltage VCC 6 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 the use of these circuits. –1– E95602D7Y CXA1946AQ/AR Block Diagram and Pin Configuration GAIN134 LDLC1 TCLC11 LDHC1 TCL...