STMicroelectronics TDA8145
TDA8145 is a monolithic integrated circuit in a -8 pin minidip plastic package designed for use in )the square C.R.T.| Part No. | TDA8145 |
|---|---|
| Datasheet | TDA8145 Download |
| Manufacturer |  STMicroelectronics |
| Description | TV EAST/WEST CORRECTION CIRCUIT FOR SQUARE TUBES |
| Buy | Stock & Price |
FEATURES
SUMMARY● LOW DISSIPATION
● SQUARE GENERATOR FOR PARABOLIC CURRENT SPECIALLY DESIGNED FOR SQUARE C.R.T. CORRECTION Figure 1. Package
● EXTERNAL KEYSTONE ADJUSTMENT (symmetry of the parabola)
● INPUT FOR DYNAMIC FIELD CORRECTION )(beam current change) t(s● STATIC PICTURE WIDTH ADJUSTMENT c● PULSE-WIDTH MODULATOR u● FINAL STAGE D-CLASS WITH ENERGY rodREDELIVERY P● PARASITIC PARABOLA SUPPRESSION, DURING FLYBACK TIME OF THE VERTICAL teSAWTOOTH bsoleDESCRIPTION OThe east-west pin-cushion correct(stion by driving a diode modulator in TV and monictor applications. duFigure 2. Pin Connections (top view) POWERDIP8 (Plastic Package) solete ProKEYSTONE CORRECTION INPUT ObFRAME SAWTOOTH CURRENT INPUT 1 2 8 NON-INVERTING INPUT 100µA CURRENT SINK 7 PARABOLA OUTPUT INVERTING INPUT CURRENT REFERENCE 3 6 +VS GND 4 5 OUTPUT May 2004 REV. 2 1/9 TDA8145 Figure 3. Schematic Diagram TDA8145 CURRENT LIMITER 78 COMPARATOR AND OUTPUT STAGE 6 +VS Q14 Q15 VS - 3 VBE Q1 Q13 Q2 Q4 VREF Q13 R5 OP2 R6 Q12 Q...
