Description

The CXA1372BQ/BS is a bipolar IC developed for

RF signal processing (focus OK, mirror, defect

detection, EFM comparator) and various servo

control.

Features

• Dual ±5V and single 5V power supplies

• Low power consumption

• Fewer external parts

• Disc defect countermeasure circuit

• Fully compatible with the CXA1182 for microcomputer

software

Functions

• Auto asymmetry control

• Focus OK detection circuit

• Mirror detection circuit

• Defect detection, countermeasure circuit

• EFM comparator

• Focus servo control

• Tracking servo control

• Sled servo control

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

mW

833 (CXA1372BS)

mW

Recommended Operating Conditions

3.6 to 11

V

3.6 to 5.5

V

– 1 –

CXA1372BQ/BS

E95927A67-PS

RF Signal Processing Servo Amplifier for CD Player

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.

CXA1372BQ

48 pin QFP (Plastic)

CXA1372BS

48 pin SDIP (Plastic)