Philips Semiconductors
Product specification
Economy Autosync Deflection Controller
(EASDC)
TDA4858
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
ADJUSTMENT OF VERTICAL S-CORRECTION (see Figs 3 to 8) [VSCOR (PIN 19)]
∆VSCOR
vertical S-correction
adjustment range
IVSCOR = 0; note 9
VSCOR = −135 µA; note 9
−
−
2
−
−
%
I
46
%
IVSCOR
input current for maximum
S-correction
−110
−120
−135
µA
input current for minimum
S-correction
−
0
−
µA
δVSCOR
Vref(VSCOR)
VSAWM(p-p)
symmetry error of S-correction maximum ∆VSCOR
−
−
−
−
±0.7
−
%
reference voltage at input
5.0
−
V
voltage amplitude of
note 10
145
mV
superimposed logarithmic
sawtooth (peak-to-peak value)
Vertical output stage [VOUT1 (pin 13) and VOUT2 (pin 12)]
∆IVOUT(nom)
nominal differential output
current (peak-to-peak value)
nominal settings; note 9
0.76
0.47
0.85
0.52
0.94
0.57
mA
mA
( ∆IVOUT = IVOUT1 − IVOUT2
)
∆IVOUT(max)
maximum differential output
current (peak value)
( ∆IVOUT = IVOUT1 − IVOUT2
)
V
VOUT1, VVOUT2 allowed voltage at outputs
0
−
−
4.2
V
δV(offset)
maximum offset error of vertical nominal settings; note 9
output currents
−
±2.5
%
δV(lin)
maximum linearity error of
vertical output currents
nominal settings; note 9
−
−
±1.5
%
EW drive output
EW DRIVE OUTPUT STAGE [EWDRV (PIN 11)]
VEWDRV
bottom output voltage
(internally stabilized)
VPAR(EWDRV) = 0;
VDC(EWDRV) = 0;
EWTRP centred
1.05
1.2
1.35
V
maximum output voltage
output load current
note 11
7.0
−
−
−
−
−
V
IEWDRV
±2.0
600
mA
10−6/K
TCEWDRV
temperature coefficient of
output signal
−
ADJUSTMENT OF EW PARABOLA AMPLITUDE (see Figs 3 to 8) [EWPAR (PIN 21)]
VPAR(EWDRV)
parabola amplitude
IEWPAR = 0; note 9
−
0.05
3
−
V
IEWPAR = −135 µA; note 9
−
−
V
IEWPAR
input current for maximum
amplitude
−110
−120
−135
µA
input current for minimum
amplitude
−
−
0
−
−
µA
Vref(EWPAR)
reference voltage at input
5.0
V
1997 Oct 27
18
NXP [ NXP ]
