AN8847SB
AN8847SB is Head amplifier manufactured by Panasonic.
Overview
The AN8847SB is a head amplifier IC for digital servo. It can configure an efficient CD-ROM system in bination with the MN662753, and allows a full-automatic adjustment of tracking balance-gain-offset and focus balance-gain-offset with fewer external parts. Built-in functions are a variable equalizer, high band RF amp. and AGC which meet CAV playback with 32 times speed or more.
15.2±0.3 36 19 0.2 +0.10
- 0.05
Unit: mm
11.93±0.3
8.4±0.3
1.30±0.25
2.85±0.2
1.30±0.25 s Features
- Variable equalizer which meets CAV playback with 32 times speed or more.
- Wide band RF amp. and AGC (f C = 30 MHz or more (- 3 d B))
- Balance adjustment function built-in Focus error amp./tracking error amp.
- CD-RW playback patible. Variable gain Focus error amp./tracking error amp. (to +16.9 d B)
- OFTR/BDO detection
- APC amp.
0.3±0.11 0.8 Seating plane
0.1±0.1
SSOP036-P-0450A s Applications
- CD/CD-ROM drive
AN8847SB s Block Diagram
ICs for pact Disc/CD-ROM Player
15 COFTR 16 OFTR 26 FEN 27 FEOUT 22 VREF2
13 CBDO 14 BDO
VREF1
3TOUT
OFTR
Amp.
Standby
LDON
ENV detection
28...