CXA1646Q/CXA1767Q
Electronic Volume
Description
CXA1646Q
CXA1767Q
The CXA1646Q/CXA1767Q is a serial control
electronic volume IC for car stereos.
48 pin QFP (Plastic)
40 pin QFP (Plastic)
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
Structure
Bipolar IC
Absolute Maximum Ratings (Ta = 25°C)
• Supply voltage
VCC
13
V
• Operating temperature
• Storage temperature
• Allowable power dissipation
Topr –40 to +85
Tstg –65 to +150
°C
°C
PD
350
240
mW (Ta = 85°C, 1646Q)
mW (Ta = 85°C, 1767Q)
Recommended Operating Condition
Supply voltage
VCC
6 to 12
V
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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.
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SONY [ SONY CORPORATION ]
