TDA9109N

TDA9109/N LOW-COST DEFLECTION PROCESSOR FOR MULTISYNC MONITORS I2C GEOMETRY CORRECTIONS VERTICAL PARABOLA GENERATOR (Pincushion, Keystone) HORIZONTAL DYNAMIC PHASE (Side Pin Balance & Parallelogram) HORIZONTAL AND VERTICAL DYNAMIC FOCUS (Horizontal Focus Amplitude, Horizontal Focus Symmetry, Vertical Focus Amplitude) GENERAL SYNC PROCESSOR 12V SUPPLY VOLTAGE 8V REFERENCE VOLTAGE HOR. & VERT. LOCK/UNLOCK OUTPUTS READ/WRITE I 2C INTERFACE VERTICAL MOIRE B+ REGULATOR - INTERNAL PWM GENERATOR FOR B+ CURRENT MODE STEP-UP CONVERTER - S WI TCHABL E TO STEP-DOWN CONVERTER 2 - I C ADJUSTABLEB+ REFERENCE VOLTAGE - OUTPUT PULSES SYNCHRONIZED ON HORIZONTAL FREQUENCY - INTERNAL MAX. CURRENT LIMITATION COMPARED WITH THE TDA9109, THE TDA9109/N HAS : - NO I2C FREE RUNNING FREQUENCY ADJUSTMENT - FIXED HORIZONTAL DUTY CYCLE (48%) - INCREASED MAX. STORAGE TIME OF THE HORIZONTAL SCANNING TRANSISTOR . . . . . . . . . . . . . . . . . . . . . HORIZONTAL SELF-ADAPTATIVE DUAL PLL CONCEPT 150kHz MAXIMUM FREQUENCY X-RAY PROTECTION INPUT I2C CONTROLS : H-POSITION, FREQUENCY GENERATOR FOR BURN-IN MODE VERTICAL VERTICAL RAMP GENERATOR 50 TO 165Hz AGC LOOP GEOMETRY TRACKING WITH VPOS & VAMP I2C CONTROLS : VAMP, VPOS, S-CORR, C-CORR DC BREATHING COMPENSATION DESCRIPTION The TDA9109/N is a monolithic integrated circuit assembledin 32-pin shrink dual in line plastic package. This IC controls all the functions related to the horizontal and vertical deflection in multimode or multi-frequency computer displa...