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參數資料
| 型號： | LA7852 |
| 元件分類： | 偏轉 |
| 英文描述： | HORIZ/VERT DEFLECTION IC, PDIP22 |
| 封裝： | SHRINK, DIP-22 |
| 文件頁數： | 1/6頁 |
| 文件大小： | 229K |
| 代理商： | LA7852 |
CRT Display Synchronization Deflection Circuit
Overview
The LA7852 is a sync-deflection circuit IC dedicated to CRT
display use. It can be connected to the LA7832/7833, 7837/
7838 (for vertical output use) to form a sync-deflection circuit
that meets every requirement for CRT display use.
So far, ICs for color TV use have been applied to the sync-
deflection circuit for CRT display use, and general-purpose ICs
such as one-shot multivibrator, inverter and a lot of transistors
have been used to form the peripherals such as sync input
interface, horizontal phase shifter. The LA7852 contains these
peripherals on chip and adopts a stable circuit for horizontal
oscillation from 15 kHz to 100 kHz aiming at improving the
characteristics required for CRT display use.
The LA7852 has independent GND pins for the horizontal
block and vertical block, thus facilitating pattern layout for
applications where the LA7852 is used at high frequencies.
Features
.
The vertical pull-in range is approximately 10 Hz at
fv=60 Hz.
.
The horizontal oscillation frequency can be adjusted stably
from 15 kHz to 100 kHz.
.
The horizontal display can be shifted right/left.
.
The horizontal/vertical sync input can be used intact
regardless of the difference in pulse polarity and pulse width.
.
The AFC feedback sawtooth wave can be obtained by
simply applying a flyback pulse to the IC as a trigger pulse.
.
Any duty of the horizontal pulse can be set.
.
Good vertical linearity because DC bias at vertical output
stage is subjected to sampling control within retrace time.
.
Excellent interlace and vertical jitter characteristics on the
high-definition display because of independent GND pins for
the horizontal block and vertical block.
Package Dimensions
unit : mm
3059-DIP22S
[LA7852]
21.2
0.95
0.48
1.7
1.78
3.9max
0.51min
6.4
7.62
3.3
3.25
0.25
111
22
12
SANYO : DIP22S
Allowable
power
dissipation,
P
d
m
ax
–
m
W
Pd max – Ta
Ambient temperature, Ta – °C
Ordering number: EN2781B
Monolithic Linear IC
LA7852
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
81096HA(II)/9138YT/8228YT,TS No.2781-1/6
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LA7853 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:CRT Display Synchronization Deflection Circuit |
| LA7855 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Very High Resolution CRT Display Synchronization |
| LA7856 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Very High Resolution CRT Display Synchronization |
| LA7857 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Very High Resolution CRT Display Synchronization |
| LA7858 | 制造商:Panasonic Industrial Company 功能描述:IC |
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