LA7852

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 ...

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SeekIC No. : 004390798 Detail

LA7852: 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 shif...

floor Price/Ceiling Price

Part Number:
LA7852
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2020/4/6

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Product Details

Description



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.



Specifications

Parameter
Symbol
Conditions Ratings
Unit
Maximum supply voltage V11, V22 14
V
Allowable power dissipation
Pd max
Ta 65 780
mW
Operating temperature
Topr
  20 to +85
Storage temperature
Tstg
  55 to +125



Description

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 syncdeflection 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 nterface, 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.




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