TDA4858 Datasheet, PDF (19/44 Pages) NXP Semiconductors – Economy Autosync Deflection Controller (EASDC)

Philips Semiconductors
Economy Autosync Deflection Controller
(EASDC)
Product specification
TDA4858
SYMBOL
PARAMETER
CONDITIONS
MIN.
ADJUSTMENT OF HORIZONTAL SIZE (see Figs 3 to 8) [EWWID (PIN 32)]
V_DC(EWDRV)
I_EWWID
EW parabola DC voltage shift
input current for maximum DC
shift
I_EWWID = −135 µA; note 9
I_EWWID = 0; note 9
input current for minimum DC
shift
V_ref(EWWID)
reference voltage at input
ADJUSTMENT OF TRAPEZIUM CORRECTION (see Figs 3 to 8) [EWTRP (PIN 20)]
V_TRP(EWTRP)
I_EWTRP
trapezium correction voltage
input current for maximum
positive trapezium correction
I_EWTRP = 0; note 9
I_EWTRP = −135 µA; note 9
input current for maximum
negative trapezium correction
V_ref(EWTRP)
V_off(EWTRP)
reference voltage at input
trapezium correction is centred
if EWTRP (pin 20) is forced to
ground
V_PARM(p-p)
amplitude of superimposed
logarithmic parabola
(peak-to-peak value)
note 12
−
−
−
−110
−
−
−
−110
−
−
0
−
TRACKING OF EWDRV OUTPUT SIGNAL WITH f_H PROPORTIONAL VOLTAGE
f_H(MULTI)
f_H range for tracking
24
V_PAR(EWDRV)
parabola amplitude at EWDRV I_HREF = 1.052 mA;
1.3
(pin 11)
f_H = 31.45 kHz; note 13
I_HREF = 2.341 mA;
2.7
f_H = 70 kHz; note 13
function disabled; note 13 2.7
δV_EWDRV
linearity error of f_H tracking
−
V_EWWID
voltage range to inhibit tracking
0
TYP.
0.1
4.2
0
−120
5.0
−0.5
+0.5
−120
0
5.0
−
−
−
1.45
3.0
3.0
−
−
MAX. UNIT
−
V
−
V
−
µA
−135 µA
−
V
−
V
−
V
−135 µA
−
µA
−
V
0.1
V
145
mV
80
kHz
1.6
V
3.3
V
3.3
V
8
%
0.1
V
1997 Oct 27
19