TDA9108 Datasheet | STMicroelectronics

DESCRIPTION The TDA9108 is a horizontal deflection processor specially designed for monitor applications. The H-drive output duty cycle, the horizontal frequency and the horizontal position are DC adjustable ; it accepts both POS/NEG polarity on sync input and delivers polarity information on a dedicated pin. All these features make the device a good choice for multifrequency application.In addition to this, X-ray protection, 2 plementary H-drive output , and a back porch clamping pulse generator are also included. It is a monolithic integrated circuit encapsulated in a 14 lead dual line plastic package. PIN CONNECTIONS ORDER CODE : TDA9108 SU PP LY VOLTAGE NEGATIVE H-DRIVE 1 2 3 4 5 6 7 14 13 GR OUN D H-FREQUENCY SETTING POSITIVE H-DRIVE DUTY CYCLE ADJUSTMENT 2nd PLL LOOP FILTER FLYBACK INPUT BACK PORCH CLAMPING PULSE OUTPUT 11 10 9 8 H-OSCILLATOR CAPACITOR 1st PLL LOOP FILTER SYNC POLARITY SYN C INPUT X-RAY PROTECTION INPUT 9108-01.EPS October 1993 1/9 BLOCK DIAGRAM HOR IZONTAL FLYBACK IN LOOP FILTER SUPPLY 1 BACK PORCH CLAMP PULSE GENERATOR 2nd PHASE PARATOR HORIZONTAL PULSE SHAPER HORIZONTAL DUTY CYCLE GROUND 14 INPUT 9 SYNC EXTRACTOR H-Sync OUTPUT STAGE 2 NEGATIVE OUTPUT 3 POSIT IVE OUTPUT SYNC 10 POLARITY POLARITY DETECTION 1st PHASE PARATOR OSCILLATOR THYRISTOR FUNCTION 8 X-RAY PROT...