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.
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
48 pin QFP (Plastic)
48 pin LQFP (Plastic)
V
CC
Topr
Tstg
P
D
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
V
CC
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
SONY [ SONY CORPORATION ]
