Part # TDA8145 datasheet

Part Manufacturer: ST Microelectronics

ST Microelectronics

Part Description: TV EAST/WEST CORRECTION CIRCUITFOR SQUARE TUBES


Part Details:

TDA8145 TV EAST/WEST CORRECTION CIRCUIT FOR SQUARE TUBES FEATURES SUMMARY LOW DISSIPATION Figure 1. Package 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 POWERDIP8 REDELIVERY (Plastic Package) PARASITIC PARABOLA SUPPRESSION, DURING FLYBACK TIME OF THE VERTICAL SAWTOOTH DESCRIPTIONThe TDA8145 is a monolithic integrated circuit in a8 pin minidip plastic package designed for use inthe square C.R.T. east-west pin-cushion correc-tion by driving a diode modulator in TV and moni-tor applications. Figure 2. Pin Connections (top view) KEYSTONE CORRECTION INPUT 1 8 NON-INVERTING INPUT 100µA CURRENT SINK FRAME SAWTOOTH CURRENT INPUT 2 7 PARABOLA OUTPUT INVERTING INPUT CURRENT REFERENCE 3 6 +VS GND 4 5 OUTPUT REV. 2 May 2004 1/9 TDA8145 Figure 3. Schematic Diagram 7 8 TDA8145 CURRENT LIMITER COMPARATOR AND OUTPUT STAGE 6 +VS Q14 Q15 Q16 Q1


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TDA8145.pdf Datasheet