tda9109 free download

File name TDA9109A.pdf

TDA9109A LOW-COST I2C CONTROLLED DEFLECTION PROCESSOR FOR MULTISYNC MONITOR FEATURES General s SYNC PROCESSOR s 12V SUPPLY VOLTAGE s 8V REFERENCE VOLTAGE s HORIZONTAL LOCK/UNLOCK OUTPUT 2 s READ/WRITE I C INTERFACE s VERTICAL MOIRE s B+ REGULATOR - Internal PWM generator for B+ current mode step-up converter - Switchable to step-down converter - I2C adjustable B+ reference voltage - Output Pulses Synchronized on Horizontal Frequency - Internal Maximum Current Limitation Horizontal s Self-adaptative s Dual PLL concept s 150kHz maximum frequency s X-ray protection input 2 s I C controls: Horizontal duty-cycle, H-position Vertical s Vertical ramp generator s 50 to 185Hz AGC loop s Geometry tracking with Vpos & Vamp 2 s I C controls: Vamp, Vpos, S-corr, C-corr s DC breathing compensation I2C Geometry corrections s Vertical parabola generator (Pin Cushion - E/W, Keystone, Corner Correction) s Horizontal dynamic phase (Side Pin Balance & Parallelogram) s Horizontal and vertical dynamic focus (Horizontal focus amplitude, Horizontal focus symmetry, Vertical focus amplitude) Version 4.2 June 2000 1/47 DESCRIPTION The TDA9109A is a monolithic integrated circuit assembled in a 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 display monitors. The internal sync processor, combined with the very powerful geometry correction block, make the TDA9109A suitable for very high performance monitors, using very few external components. The horizontal jitter level is very low. It is particularly well-suited to high-end 15" and 17" monitors. Combined with the ST7275 Microcontroller family, TDA9206 (Video preamplifier) and STV942x (OnScreen Display controller), the TDA9109A allows fully I2C bus-controlled computer display monitors to be built with a reduced number of external components . SHRINK32 (Plastic Package) ORDER CODE: TDA9109A 1 TABLE OF CONTENTS PIN CONNECTIONS PIN CONNECTIONS QUICK REFERENCE DATA BLOCK DIAGRAM ABSOLUTE MAXIMUM RATINGS THERMAL DATA I2C READ/WRITE SYNC PROCESSOR HORIZONTAL SECTION VERTICAL SECTION DYNAMIC FOCUS SECTION GEOMETRY CONTROL SECTION B+ SECTION TYPICAL OUTPUT WAVEFORMS I2C BUS ADDRESS TABLE I2C BUS ADDRESS TABLE OPERATING DESCRIPTION 4 5 6 8 9 9 10 10 11 13 15 16 18 20 24 25 27 1 GENERAL CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 1.1Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 1.2I2C Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 1.3Write Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 1.4Read Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

File name TDA9109SN.pdf

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