CXA1646Q General Description
The CXA1646Q/CXA1767Q is a serial control electronic volume IC for car stereos.
CXA1646Q Maximum Ratings
• Supply voltage VCC 13 V
• Operating temperature Topr 40 to +85
• Storage temperature Tstg 65 to +150
• Allowable power dissipation PD 350 mW (Ta = 85, 1646Q)
240 mW (Ta = 85, 1767Q)
CXA1646Q Features
• Loudness
• Volume control (1dB-step from 0dB to 87dB, °dB)
• Balance
• Tone control (2dB-step 2 band from 14dB to +14dB)
• Fader (2dB-step to 20dB, 25dB, 35dB, 45dB, 60dB, °dB)
• Input selector (4 channels)
• Serial data control (DATA, CLK, CE)
• Single 8V power supply
• Zero-cross detection circuit
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