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參數(shù)資料
| 型號(hào)： | SM9403BM |
| 廠商： | Seiko NPC Corporation |
| 英文描述： | DVDRAM Servo-amplifier LSI |
| 中文描述： | DVDRAM伺服放大器大規(guī)模集成電路 |
| 文件頁(yè)數(shù)： | 1/18頁(yè) |
| 文件大?。?/td> | 142K |
| 代理商： | SM9403BM |
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SM9403BM
NIPPON PRECISION CIRCUITS—1
NIPPON PRECISION CIRCUITS INC.
DVDRAM Servo-amplifier LSI
OVERVIEW
The SM9403BM is a DVDROM and DVDRAM servo preprocessor LSI, designed for double-speed format
DVDROM and DVDRAM drives.
The SM9403BM is fabricated using a BiCMOS process, and incorporates an analog signal processing circuit
that generates signals needed by the digital servo processor, a DPD signal processing circuit (DVDROM), and
a CAPA (Complementary Allocated Pit Address) detection circuit (DVDRAM) all in a single chip. It operates
from a single 5 V supply, and is available in 36-pin plastic SSOP packages.
FEATURES
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DPD signal processor
Tracking error signal output
Focus error signal output
Tracking error signal sample-and-hold
Focus error signal sample-and-hold
CAPA detection function
Track count pulse generator
Off-track detection
2V and 4V reference voltage generator
Serial interface for setting internal parameters
Sleep-mode function
Single 5 V supply
36-pin plastic SSOP
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APPLICATIONS
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Double-speed DVDROM drives
Double-speed DVDRAM drives
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ORDERING INFORMATION
PINOUT
36-pin SSOP (Top View)
Device
Package
SM9403BM
36-pin SSOP
1
NC
2
NC
3
FER
4
FHOLD
5
FSUB
6
ISET
7
DPDD
8
DPDC
9
DPDB
10
DPDA
11
AGND
12
MMTI
13
CAPAN
14
CAPAP
15
CAPLFC
16
TSUB
17
THOLD
18
TRE
19
VREF4
20
VREF2
21
TROFF
22
TRP
23
CAPAREA
24
CAPOUT
25
AVCC
26
CAPIN
27
CAPSEL
28
CAPSEEK
29
DVCC
30
SENB
31
SDATA
32
SCLK
33
DGND
34
DEFECT
35
DPDI
36
DPDG
S
N
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