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TDA4950 Datasheet

  • TDA4950

  • TV EAST/WEST CORRECTION CIRCUIT

  • 5頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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TDA4950
TV EAST/WEST CORRECTION CIRCUIT
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LOW DISSIPATION
SQUARE GENERATOR FOR PARABOLIC
CURRENT
EXTERNAL KEYSTONE ADJUSTMENT (sym-
metry of the parabola)
INPUT FOR DYNAMIC FIELD CORRECTION
(beam current change)
STATIC PICTURE WIDTH ADJUSTMENT
PULSE-WIDTH MODULATOR
FINAL STAGE D-CLASS WITH ENERGY RE-
DELIVERY
PARASITIC PARABOLA SUPPRESSION,
DURING FLYBACK TIME OF THE VERTICAL
SAWTOOTH
POWERDIP8
(Th = 0.4mm)
(Plastic Package)
ORDER CODE :
TDA4950
DESCRIPTION
The TDA4950 is a monolithic integrated circuit in a
8 pin minidip plastic package designed for use in
the east-west pin-cushion correction by driving a
diode modulator in TV and monitor applications.
PIN CONNECTIONS
KEYSTONE CORRECTION INPUT
FRAME SAWTOOTH CURRENT INPUT
CURRENT REFERENCE
GND
1
2
3
4
8
7
6
5
NON-INVERTING INPUT 100碌A(chǔ) CURRENT SINK
PARABOLA OUTPUT INVERTING INPUT
+V
S
OUTPUT
October 1998
1/5
4950-01.EPS

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