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
C
=
20 MHz or
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
SSOP036-P-0450A
Unit: mm
8.4±0.3
0.5
0.1±0.1
11.93±0.3
2.85±0.2
15.2±0.3
36
19
1
18
0.3±0.11
0.8
1.30±0.25
1.30±0.25
Seating plane
0.2
+0.10
–0.05
FL8380
FL8380
FL8385
harman/kardon
32
Содержание FL 8385
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