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| 型号： | LA9231M |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封装： | QIP-64 |
| 文件页数： | 1/20页 |
| 文件大小： | 193K |
| 代理商： | LA9231M |
Analog Signal Processor (ASP)
for CD players
Overview
The LA9230M and LA9231M are analog signal processing and
servo control bipolar ICs designed for use in compact disc
players; a compact disc player can be configured by combining
these ICs, a CD-DSP such as the LC78620E, and a small
number of additional components. The differences between the
LA9230M and the LA9231M are that the LA9231M: (1) has a
focus search time that is four times faster; (2) has an additional
capacitor pin for focus search smoothing; (3) and can disable
output of the track-kick signal during EF balance adjustment.
Functions
I/V amplifier, RF amplifier (with AGC), SLC, APC, FE, TE
(with VCA and auto-balance function), focus servo amplifier
(with offset cancellation function), tracking servo amplifier
(with offset cancellation function), spindle servo amplifier
(with gain switching function), sled servo amplifier (with off
function), focus detection (DRF, FZD), track detection (HFL,
TES), defect detection, and shock detection.
Features
The following automatic adjustment functions are built in.
.
Focus offset auto cancel
.
Tracking offset auto cancel
.
EF balance auto adjustment
.
RF level AGC function
.
Tracking servo gain RF level following function
Package Dimensions
unit : mm
3159-QIP64E
[LA9230M/9231M]
SANYO : QIP64E
Specifications
Maximum Ratings at Ta=25 °C, Pins 22, 45 = GND
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
Vsup max
Pin 56, 64
7
V
Allowable power dissipation
Pd max
350
mW
Operating temperature
Topr
–25 to +75
°C
Storage temperature
Tstg
–40 to +150
°C
Ordering number: EN 5189
Monolithic Linear IC
LA9230M/9231M
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
92595HA(II) No.5189-1/20
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