TDA4853 Datasheet, PDF (23/60 Pages) NXP Semiconductors – I2C-bus autosync deflection controllers for PC/TV monitors

Philips Semiconductors
I²C-bus autosync deflection controllers for
PC/TV monitors
Product specification
TDA4853; TDA4854
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP.
V_HTRAP(EWDRV)
V_HSIZE(EWDRV)
V_HEHT(EWDRV)
I_i(HSMOD)
R_i(HSMOD)
V_ref(HSMOD)
f_ro(HSMOD)
horizontal trapezium correction register HTRAP = 15;
−
voltage
control bit VPC = 0; note 8
register HTRAP = 0;
−
control bit VPC = 0; note 8
register HTRAP = X;
−
control bit VPC = 1; note 8
horizontal size voltage
register HSIZE = 255;
−
note 8
register HSIZE = 0; note 8 −
EHT compensation on
horizontal size via HSMOD
(pin 31)
I_HSMOD = 0; note 8
−
I_HSMOD = −120 µA; note 8 −
input current (pin 31)
V_HEHT = 0.02 V
−
V_HEHT = 0.69 V
−
input resistance
300
reference voltage at input
I_HSMOD = 0
−
roll-off frequency (−3 dB)
I_HSMOD = −60 µA
1
+ 15 µA (RMS)
−0.33
0.33
0
0.13
3.6
0.69
0.02
0
−120
−
5.0
−
TRACKING OF EWDRV OUTPUT SIGNAL WITH HORIZONTAL FREQUENCY PROPORTIONAL VOLTAGE
f_H(MULTI)
V_PAR(EWDRV)
LE_EWDRV
horizontal frequency range for
15
tracking
parabola amplitude at EWDRV I_HREF = 1.052 mA;
−
(pin 11)
f_H = 31.45 kHz;
control bit FHMULT = 1;
note 10
I_HREF = 2.341 mA;
−
f_H = 70 kHz;
control bit FHMULT = 1;
note 10
function disabled;
−
control bit FHMULT = 0;
note 10
linearity error of horizontal
−
frequency tracking
−
0.72
1.42
1.42
−
Output for asymmetric EW corrections: pin ASCOR
V_{HPARAL(ASCOR)} vertical sawtooth voltage for
EW parallelogram correction
register HPARAL = 0;
−
control bit HPC = 0; note 8
register HPARAL = 15; −
control bit HPC = 0; note 8
register HPARAL = X;
−
control bit HPC = 1; note 8
−0.825
0.825
0.05
MAX.
−
−
−
−
−
−
−
−
−
500
−
−
80
−
−
−
8
−
−
−
UNIT
V
V
V
V
V
V
V
µA
µA
Ω
V
MHz
kHz
V
V
V
%
V
V
V
1999 Jul 13
23