TDA4857PS Datasheet, PDF (20/56 Pages) NXP Semiconductors – I2C-bus autosync deflection controller for PC monitors

Philips Semiconductors
I²C-bus autosync deflection controller for
PC monitors
Product specification
TDA4857PS
SYMBOL
VMOIRE
PARAMETER
modulation of vertical picture
position by ¹â„₂ vertical
frequency (related to 100%
vertical size)
moire cancellation off
CONDITIONS
register VMOIRE = 0;
control bit MOD = 0
register VMOIRE = 31;
control bit MOD = 0
control bit MOD = 1
MIN.
−
−
−
Vertical output stage: pins VOUT1 and VOUT2; see Fig.27
∆I_{VOUT(nom)(p-p)}
nominal differential output
current (peak-to-peak value)
∆I_VOUT = I_VOUT1 − I_VOUT2;
nominal settings; note 8
I_o(VOUT)(max)
maximum output current at
pins VOUT1 and VOUT2
control bit VOVSCN = 1
V_VOUT
δI_{os(vert)(max)}
allowed voltage at outputs
maximum offset error of
vertical output currents
nominal settings; note 8
δI_{lin(vert)(max)}
maximum linearity error of
vertical output currents
nominal settings; note 8
0.76
0.54
0
−
−
EW drive output
EW DRIVE OUTPUT STAGE: PIN EWDRV; see Figs 7 to 10
V_const(EWDRV)
bottom output voltage at pin
EWDRV (internally stabilized)
register HPIN = 0;
register HCOR = 04;
register HTRAP = 08;
register HSIZE = 255
1.05
V_{o(EWDRV)(max)}
maximum output voltage
note 9
7.0
I_L(EWDRV)
load current
−
TC_EWDRV
temperature coefficient of
−
output signal
V_HPIN(EWDRV)
horizontal pincushion voltage register HPIN = 0; note 8 −
register HPIN = 63; note 8 −
V_HCOR(EWDRV)
horizontal corner correction
voltage
register HCOR = 0;
−
control bit VSC = 0; note 8
register HCOR = 31;
−
control bit VSC = 0; note 8
register HCOR = X;
−
control bit VSC = 1; note 8
V_HTRAP(EWDRV)
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
V_HSIZE(EWDRV)
horizontal size voltage
register HSIZE = 255;
−
note 8
register HSIZE = 0; note 8 −
TYP.
0
0.08
0
0.85
0.6
−
−
−
1.2
−
−
−
0.04
1.42
0.08
−0.64
0
−0.33
0.33
0
0.13
3.6
MAX. UNIT
−
%
−
%
−
%
0.94 mA
0.66 mA
4.2
V
±2.5 %
±1.5 %
1.35 V
−
V
±2
mA
600
10^−6/K
−
V
−
V
−
V
−
V
−
V
−
V
−
V
−
V
−
V
−
V
2000 Jan 31
20