CXA1372BS

CXA1372BQ/BS RF Signal Processing Servo Amplifier for CD Player 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 CXA1372BQ 48 pin QFP (Plastic) CXA1372BS 48 pin SDIP (Plastic) Absolute Maximum Ratings (Ta = 25°C) 12 V Supply voltage VCC – VEE Operating temperature Topr –20 to +75 °C Storage temperature Tstg –65 to +150 °C Allowable power dissipation PD 457 (CXA1372BQ) mW 833 (CXA1372BS) mW Recommended Operating Conditions VCC – VEE 3.6 to 11 VCC – DGND 3.6 to 5.5 V 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– E95927A67-PS CXA1372BQ/BS Block Diagram C. OUT DGND DFC...