Philips Semiconductors
Product specification
I2C-bus autosync deflection controller for
PC monitors
TDA4841PS
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Focus section: pin FOCUS; see Figs 15 and 28
tprecor
pre-correction of phase for
horizontal focus parabola
register HFOCAD = 0;
see Fig.28
−
−
−
−
300
−
ns
register HFOCAD = 1;
see Fig.28
350
400
450
−
−
−
ns
ns
ns
register HFOCAD = 2;
see Fig.28
register HFOCAD = 3;
see Fig.28
tW(hfb)(min)
minimum width of horizontal
flyback pulse
1.9
−
−
−
µs
µs
operation without
pre-correction
−
7.5
tW(hfb)(max)
maximum width of horizontal
flyback pulse
−
−
5.5
µs
VHFOCUS(p-p)
amplitude of horizontal focus
parabola (peak-to-peak value)
register HFOCUS = 0
register HFOCUS = 31
−
−
−
0.06
3.3
−
−
−
V
V
V
VVFOCUS(p-p)
amplitude of vertical parabola
(peak-to-peak value)
register VFOCUS = 0;
note 8
0.02
register VFOCUS = 15;
note 8
−
1.1
−
V
Vo(FOCUS)(max)
Vo(FOCUS)(min)
Io(FOCUS)(max)
CL(FOCUS)(max)
maximum output voltage
minimum output voltage
maximum output current
maximum capacitive load
Io(FOCUS) = 0
Io(FOCUS) = 0
6.15
1.0
±1.5
−
6.4
1.3
−
6.65
1.6
−
V
V
mA
pF
−
20
B+ control section; see Figs 25 and 26
TRANSCONDUCTANCE AMPLIFIER: PINS BIN AND BOP
Vi(BIN)
input voltage
0
−
5.25
±1
V
Ii(BIN)(max)
Vref(int)
maximum input current
−
−
µA
V
reference voltage at internal
non-inverting input of OTA
2.37
2.5
2.58
Vo(BOP)(min)
Vo(BOP)(max)
Io(BOP)(max)
gm(OTA)
minimum output voltage
maximum output voltage
maximum output current
transconductance of OTA
open-loop voltage gain
−
−
0.5
5.6
−
V
Io(BOP) < 1 mA
5.0
−
5.3
±500
50
86
−
V
µA
mS
dB
nF
note 11
note 12
30
−
70
−
Gv(ol)
CBOP(min)
minimum value of capacitor at
BOP (pin 3)
10
−
1999 Oct 25
24
NXP [ NXP ]
