TDA8145 Datasheet, PDF (1/5 Pages) STMicroelectronics – TV EAST/WEST CORRECTION CIRCUIT FOR SQUARE TUBES

TDA8145
TV EAST/WEST CORRECTION CIRCUIT
FOR SQUARE TUBES
.. LOW DISSIPATION
SQUARE GENERATOR FOR PARABOLIC
CURRENT SPECIALLY DESIGNED FOR
SQUARE C.R.T. CORRECTION
. EXTERNAL KEYSTONE ADJUSTMENT
(symmetry of the parabola)
. INPUT FOR DYNAMIC FIELD CORRECTION
(beam current change)
. _{STATIC PICTURE WIDTH ADJUSTMENT}
. _{PULSE-WIDTH MODULATOR}
. _{FINAL STAGE D-CLASS WITH ENERGY}
REDELIVERY
. PARASITIC PARABOLA SUPPRESSION,
DURING FLYBACK TIME OF THE
VERTICAL SAWTOOTH
POWERDIP8 (Th = 0.4mm)
(Plastic Package)
ORDER CODE : TDA8145
DESCRIPTION
The TDA8145 is a monolithic integrated circuit in a
8 pin minidip plastic package designed for use in
the square C.R.T. east-west pin-cushion correction
by driving a diode modulator in TV and monitor
applications.
PIN CONNECTIONS (top view)
KEYSTONE CORRECTION INPUT
1
FRAME SAWTOOTH CURRENT INPUT
2
CURRENT REFERENCE
3
GND
4
8
NON-INVERTING INPUT 100µA CURRENT SINK
7
PARABOLA OUTPUT INVERTING INPUT
6
+V_S
5
OUTPUT
October 1998
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