CXA2598M 查看數據表（PDF） - Sony Semiconductor

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CXA2598M

PDIC for CD-R/RW

Sony Semiconductor 

PDIC for CD-R/RW

CXA2598M

Description

The CXA2598M is a PDIC (photodetector IC)

developed as a photodetector for the optical pickup

of CD-R/RW. The photodiode and I-V amplifier operate

at high speed (100MHz). When the strong light is

emitted during write, the delay or ringing is not

occurred because the limiter circuit is included in the

I-V amplifier.

• Focus servo: astigmatic method

• Tracking servo: differential push-pull method

Features

• I-V amplifier (current-voltage conversion circuit)

• RF output of addition of A to D signals

• Wide band (100MHz typ.)

• Output limiter circuit

• Small transparent molded package (SOP)

Applications

Optical pickup for CD-R/RW

Structure

Bipolar silicon monolithic IC

Absolute Maximum Ratings (Ta = 25°C)

• Supply voltage

VCC

5.5

V

• Operating temperature

Topr –10 to +70

°C

• Storage temperature

Tstg –40 to +85

°C

• Allowable power dissipation PD

300

mW

Operating Condition

Supply voltage

VCC

4.5 to 5.5

V

PD-S-12 (Plastic)

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–

E00342-PS

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