ICs for Compact Disc/CD-ROM Player

1

AN8882SB

Head amplifier IC for CD-ROM drive (for 32 times speed or more)

s Overview

The AN8882SB is a head amplifier IC for

digital servo. It can configure an efficient CD-ROM

system in combination with the MN662754, and

allows a full-automatic adjustment of tracking bal-

ance-gain-offset and focus balance-gain-offset with

fewer external parts.

Built-in functions are a variable equalizer, wide

band RF amp. and AGC which meet CAV playback

with 32 times speed or more.

s Features

• Variable equalizer which meets CAV playback

with 32 times speed or more.

(6-step changeover)

• Wide band RF amp. and AGC (f

more (

−3 dB))

• Balance adjustment function built-in

Focus error amp./tracking error amp.

• CD-RW playback compatible.

Variable gain

Focus error amp./tracking error amp.

(to

+12 dB)

• OFTR/BDO detection

• APC amp. (LD reference voltage changeover for

CD-RW playback)

s Applications

• CD/CD-ROM drive

SSOP036-P-0450A

Unit: mm

15.2±0.3

36

19

118

0.3±0.11

0.8

1.30±0.25

1.30±0.25

Seating plane

0.2

+0.10

–0.05