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| 型号： | LA9251M |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封装： | QIP-64 |
| 文件页数： | 1/17页 |
| 文件大小： | 152K |
| 代理商： | LA9251M |
Ordering number : ENN6125
42800RM (OT) No. 6125-1/17
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
Features
Low-voltage operation: 2.4 V (minimum)
Low current drain: 15 mA (at VCC = 3.0 V, typical)
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
14.0
17.2
1.0
1.6
0.15
0.35
0.1
15.6
0.8
3.0max
1
16
17
32
33
48
49
64
2.7
14.0
17.2
1.0
1.6
0.8
SANYO: QIP64E
[LA9251M]
LA9251M
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
CD Player Analog Signal Processor (ASP)
Monolithic Linear IC
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.
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
Pin 56
7
V
Allowable power dissipation
Pd max
Ta
≤ 75°C
200
mW
Operating temperature
Topr
–15 to +75
°C
Storage temperature
Tstg
–40 to +150
°C
Specifications
Maximum Ratings at Ta = 25°C, with pin 46 tied to ground
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