CXA1646Q/CXA1767Q
Electronic Volume
Description
The CXA1646Q/CXA1767Q is a serial control
electronic volume IC for car stereos.
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
V
CC
13
•
Operating temperature
Topr –40 to +85
•
Storage temperature
Tstg –65 to +150
•
Allowable power dissipation
P
D
350
240
Recommended Operating Condition
Supply voltage
V
CC
CXA1646Q
48 pin QFP (Plastic)
CXA1767Q
40 pin QFP (Plastic)
V
°C
°C
mW (Ta = 85°C, 1646Q)
mW (Ta = 85°C, 1767Q)
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–
E92759D7Y
SONY [ SONY CORPORATION ]
