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TDA4853 Datasheet(PDF) 23 Page - NXP Semiconductors |
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TDA4853 Datasheet(HTML) 23 Page - NXP Semiconductors |
23 / 60 page ![]() 1999 Jul 13 23 Philips Semiconductors Product specification I2C-bus autosync deflection controllers for PC/TV monitors TDA4853; TDA4854 VHTRAP(EWDRV) horizontal trapezium correction voltage register HTRAP = 15; control bit VPC = 0; note 8 −−0.33 − V register HTRAP = 0; control bit VPC = 0; note 8 − 0.33 − V register HTRAP = X; control bit VPC = 1; note 8 − 0 − V VHSIZE(EWDRV) horizontal size voltage register HSIZE = 255; note 8 − 0.13 − V register HSIZE = 0; note 8 − 3.6 − V VHEHT(EWDRV) EHT compensation on horizontal size via HSMOD (pin 31) IHSMOD = 0; note 8 − 0.69 − V IHSMOD = −120 µA; note 8 − 0.02 − V Ii(HSMOD) input current (pin 31) VHEHT = 0.02 V − 0 −µA VHEHT = 0.69 V −−120 −µA Ri(HSMOD) input resistance 300 − 500 Ω Vref(HSMOD) reference voltage at input IHSMOD =0 − 5.0 − V fro(HSMOD) roll-off frequency ( −3 dB) IHSMOD = −60 µA +15 µA (RMS) 1 −− MHz TRACKING OF EWDRV OUTPUT SIGNAL WITH HORIZONTAL FREQUENCY PROPORTIONAL VOLTAGE fH(MULTI) horizontal frequency range for tracking 15 − 80 kHz VPAR(EWDRV) parabola amplitude at EWDRV (pin 11) IHREF = 1.052 mA; fH = 31.45 kHz; control bit FHMULT = 1; note 10 − 0.72 − V IHREF = 2.341 mA; fH = 70 kHz; control bit FHMULT = 1; note 10 − 1.42 − V function disabled; control bit FHMULT = 0; note 10 − 1.42 − V LEEWDRV linearity error of horizontal frequency tracking −− 8% Output for asymmetric EW corrections: pin ASCOR VHPARAL(ASCOR) vertical sawtooth voltage for EW parallelogram correction register HPARAL = 0; control bit HPC = 0; note 8 −−0.825 − V register HPARAL = 15; control bit HPC = 0; note 8 − 0.825 − V register HPARAL = X; control bit HPC = 1; note 8 − 0.05 − V SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT |
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