TDA4855 Datasheet, PDF (18/44 Pages) NXP Semiconductors – Autosync Deflection Controller ASDC

Philips Semiconductors
Autosync Deflection Controller (ASDC)
Preliminary specification
TDA4855
SYMBOL
PARAMETER
CONDITIONS
Vertical output stage [VOUT1 (pin 13) and VOUT2 (pin 12)]
∆I_VOUT(nom)
∆I_VOUT(max)
V_VOUT1, V_VOUT2
δ_V(offset)
nominal differential output
current (peak-to-peak value)
(∆I_VOUT = I_VOUT1 − I_VOUT2)
nominal settings; note 11
maximum differential output
current (peak value)
(∆I_VOUT = I_VOUT1 − I_VOUT2)
allowed voltage at outputs
maximum offset error of vertical nominal settings; note 11
output currents
δ_V(lin)
maximum linearity error of
vertical output currents
nominal settings; note 11
EW drive output
EW DRIVE OUTPUT STAGE [EWDRV (PIN 11)]
V_EWDRV
bottom output voltage
(internally stabilized)
V_PAR(EWDRV) = 0;
V_DC(EWDRV) = 0;
EWTRP centred
maximum output voltage
note 14
I_EWDRV
TC_EWDRV
output load current
temperature coefficient of
output signal
ADJUSTMENT OF EW PARABOLA AMPLITUDE (see Figs 3 to 8) [EWPAR (PIN 21)]
V_PAR(EWDRV)
parabola amplitude
I_EWPAR = 0; note 11
I_EWPAR = −135 µA;
note 11
I_EWPAR
input current for maximum
amplitude
input current for minimum
amplitude
V_ref(EWPAR)
reference voltage at input
ADJUSTMENT OF HORIZONTAL SIZE (see Figs 3 to 8) [EWWID (PIN 32)]
V_DC(EWDRV)
EW parabola DC voltage shift I_EWWID = −135 µA;
note 11
I_EWWID
input current for maximum DC
shift
I_EWWID = 0; note 11
input current for minimum DC
shift
V_ref(EWWID)
reference voltage at input
MIN.
0.76
0.54
0
−
−
1.05
7.0
−
−
−
−
−110
−
−
−
−
−
−110
−
TYP.
0.85
0.6
−
−
−
1.2
−
−
−
0.05
3
−120
0
5.0
0.1
4.2
0
−120
5.0
MAX.
0.94
0.66
4.2
±2.5
±1.5
1.35
−
±2.0
600
−
−
−135
−
−
−
−
−
−135
−
UNIT
mA
mA
V
%
%
V
V
mA
10^−6/K
V
V
µA
µA
V
V
V
µA
µA
V
1996 Jul 18
18