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TDA9109N Datasheet(PDF) 1 Page - STMicroelectronics |
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TDA9109N Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 32 page  TDA9109/N LOW-COST DEFLECTION PROCESSOR FOR MULTISYNC MONITORS June 1998 SHRINK32 (Plastic Package) ORDER CODE : TDA9109/N HORIZONTAL . SELF-ADAPTATIVE . DUAL PLL CONCEPT . 150kHz MAXIMUM FREQUENCY . X-RAY PROTECTION INPUT . I 2C CONTROLS : H-POSITION, FREQUENCY GENERATOR FOR BURN-IN MODE VERTICAL . VERTICAL RAMP GENERATOR . 50 TO 165Hz AGC LOOP . GEOMETRY TRACKING WITH VPOS & VAMP . I 2C CONTROLS : VAMP, VPOS, S-CORR, C-CORR . DC BREATHING COMPENSATION I 2C GEOMETRY CORRECTIONS . VERTICAL PARABOLA GENERATOR (Pincushion, Keystone) . HORIZONTAL DYNAMIC PHASE (Side Pin Balance & Parallelogram) . HORIZONTAL AND VERTICAL DYNAMIC FO- CUS (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 CON- VERTER -I 2C ADJUSTABLEB+ REFERENCE VOLTAGE - OUTPUT PULSES SYNCHRONIZED ON HORIZONTAL FREQUENCY - INTERNAL MAX. CURRENT LIMITATION . COMPARED WITH THE TDA9109, THE TDA9109/N HAS : -NO I 2C FREE RUNNING FREQUENCY AD- JUSTMENT - FIXED HORIZONTAL DUTY CYCLE (48%) - INCREASED MAX. STORAGE TIME OF THE HORIZONTAL SCANNING TRANSISTOR DESCRIPTION The TDA9109/N is a monolithic integrated circuit assembledin 32-pin shrink dual in line plastic pack- age. This IC controls all the functions related to the horizontal and vertical deflection in multimode or multi-frequency computer display monitors. The internal sync processor, combined with the very powerful geometry correction block make the TDA9109/N suitable for very high performance monitors, using very few external components. The horizontaljitter level is very low. It is particularly well suited for high-end 15” and 17” monitors. Combined with the ST7275 Microcontroller family, TDA9206 (Video preamplifier) and STV942x (On- Screen Display controller) the TDA9109/N allows fully I 2C bus controlled computer display monitors to be built with a reduced number of external componen ts. 1/32 |
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