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PDF 9251M Data sheet ( Hoja de datos )
| Número de pieza | 9251M | |
| Descripción | LA9251M | |
| Fabricantes | Sanyo | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de 9251M (archivo pdf) en la parte inferior de esta página. Total 17 Páginas | ||
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www.DataSheet4U.com
Ordering number : ENN6125
Monolithic Linear IC
LA9251M
CD Player Analog Signal Processor (ASP)
Overview
The LA9251M is a servo signal-processing IC for CD
players. In combination with a CD DSP such as the
LC78626KE, it can implement a CD player with a
minimal number of external components.
Functions
• I/V amplifier
• SLC
• FE
• Focus servo amplifier
• Spindle servo amplifier (with gain switching function)
• Focus detection (DRF and FZD)
• Defect detection
• RF amplifier with AGC
• APC
• TE (with variable gain and auto balance function)
• Tracking servo amplifier
• Sled servo amplifier (with turn-off function)
• Track detection (HFL, TES)
• Shock detection
• Built-in EF balance adjustment
• Built-in RF level AGC function
• RF level follower function for the tracking servo gain
(with turn-off function)
Package Dimensions
unit: mm
3159-QIP64E
1.0
48
49
[LA9251M]
17.2
14.0 1.6
0.8 0.35 1.0
33
32
0.15
64
1
17
16
0.1
2.7
Features
• Low-voltage operation: 2.4 V (minimum)
• Low current drain: 15 mA (at VCC = 3.0 V, typical)
15.6 0.8
SANYO: QIP64E
Specifications
Maximum Ratings at Ta = 25°C, with pin 46 tied to ground
Parameter
Maximum supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
Pd max
Topr
Tstg
Pin 56
Ta ≤ 75°C
Conditions
Ratings
7
200
–15 to +75
–40 to +150
Unit
V
mW
°C
°C
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
42800RM (OT) No. 6125-1/17
1 page  
www.DataSheet4U.com
Pin Circuits
Pin No.
Pin
1 FIN2
2 FIN1
3E
4F
5 TB
6 TE–
18 FD–
22 FE–
25 SP–
27 SLEQ
50 SLI
7 TE
10 TH
8 TESI
43 TES
LA9251M
21
Internal equivalent circuit
VREF
62kΩ
62kΩ
5pF
43
100kΩ
5pF
22 18 6 5
50 27 25
VREF
100kΩ
5pF
VREF
10
7
8
VCC
250Ω
GND
VCC
43
200kΩ
1kΩ
GND
Continued on next page.
No. 6125-5/17
5 Page 
www.DataSheet4U.com
Equivalent Circuit
LA9251M
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
FIN2
1
FIN1
2
E
3
F
4
TB
5
TE-
6
TE
7
TESI
87
SCI
9
TH
10
TA
11
TD-
12
TD
13
JP
14
TO
15
NC
16
APC
I/V
BAL
TE
T. SERVO
&T. LOGIC
RF DET
VCA
REF
VCA
LA9251M
F. SERVO
&F. LOGIC
SPINDLE
SERVO
SLED SERVO
SLC
RF AMP
RF-
48
RF
47
GND
46
CLV
45
HFL
44
TES
43
TOFF
42
TGL
41
TJP
40
NC
39
LASER
38
FSTA
37
EFBAL
36
SP8
35
TGRF
34
SLOF
33
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
A12228
No. 6125-11/17
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet 9251M.PDF ] | |
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