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CXA1782CQ/CR

E95908C78

RF Signal Processing Servo Amplifier for CD players

Description

The CXA1782CQ/CR is a bipolar IC with built-in

RF signal processing and various servo ICs. A CD

player servo can be configured by using this IC,

DSP and driver.

Features

• Supports pickup of either current output, voltage

output

• Automatic adjustment comparator for tracking

balance gain

• Single power supply and positive/negative dual

power supplies

Applications

• RF I-V amplifier, RF amplifier

• Focus and tracking error amplifier

• APC circuit

• Mirror detection circuit

• Defect detection and prevention circuits

• Focus servo control

• Tracking servo control

• Sled servo control

• Comparators of tracking adjustment for balance

and gain

Structure

Bipolar silicon monolithic IC

Absolute Maximum Ratings (Ta = 25°C)

• Supply voltage

12

V

• Operating temperature Topr

–20 to +75

°C

• Storage temperature

Tstg

–65 to +150

°C

• Allowable power dissipation

833 (CXA1782CQ) mW

457 (CXA1782CR)

mW

Recommended Operating Condition

Operating supply voltage

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.

CXA1782CQ

48 pin QFP (Plastic)

CXA1782CR

48 pin LQFP (Plastic)

For the availability of this product, please contact the sales office.