Harman Kardon FL8380 Service Manual page 39

AN8849SB
Head amplifier IC for CD-ROM drive (for 24 times speed or more)
Overview
The AN8849SB is a head amplifier IC for
digital servo. It can configure an efficient CD-ROM
system in combination with the MN662752, 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 24 times speed or more.
Features
Variable equalizer which meets CAV playback
with 24 times speed or more CAV playback.
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 16.9 dB)
OFTR/BDO detection
APC amp.
Applications
CD/CD-ROM drive
36
1
0.3±0.11
20 MHz or
C
39
+0.10
15.2±0.3 0.2
–0.05
19
18
1.30±0.25
0.8
Seating plane
SSOP036-P-0450A
FL8380 FL8380
Unit: mm
1.30±0.25