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TDA4841 Datasheet(PDF) 16 Page - NXP Semiconductors

Part # TDA4841
Description  I2C-bus autosync deflection controller for PC monitors
PDF  60 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TDA4841 Datasheet(HTML) 16 Page - NXP Semiconductors

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1999 Oct 25
16
Philips Semiconductors
Product specification
I2C-bus autosync deflection controller for
PC monitors
TDA4841PS
Automatic polarity correction for vertical sync
tVSYNC(max)
maximum width of vertical sync
pulse
−−
400
µs
td(VPOL)
delay time for changing polarity
0.45
−
1.8
ms
Video clamping/vertical blanking output: pin CLBL
tclamp(CLBL)
width of video clamping pulse
measured at VCLBL = 3 V
0.6
0.7
0.8
µs
Vclamp(CLBL)
top voltage level of video
clamping pulse
4.32
4.75
5.23
V
TCclamp
temperature coefficient of
Vclamp(CLBL)
−
4
−
mV/K
STPSclamp
steepness of slopes for
clamping pulse
RL =1MΩ; CL =20pF
−
50
−
ns/V
td(HSYNCt-CLBL)
delay between trailing edge of
horizontal sync and start of
video clamping pulse
clamping pulse triggered
on trailing edge of
horizontal sync;
control bit CLAMP = 0;
measured at VCLBL =3V
−
130
−
ns
tclamp(max)
maximum duration of video
clamping pulse referenced to
end of horizontal sync
−−
1.0
µs
td(HSYNCl-CLBL)
delay between leading edge of
horizontal sync and start of
video clamping pulse
clamping pulse triggered
on leading edge of
horizontal sync;
control bit CLAMP = 1;
measured at VCLBL =3V
−
300
−
ns
tclamp(max)
maximum duration of video
clamping pulse referenced to
end of horizontal sync
−−
0.15
µs
Vblank(CLBL)
top voltage level of vertical
blanking pulse
notes 1 and 2
1.7
1.9
2.1
V
tblank(CLBL)
width of vertical blanking pulse
at pins CLBL and HUNLOCK
control bit VBLK = 0
220
260
300
µs
control bit VBLK = 1
305
350
395
µs
TCblank
temperature coefficient of
Vblank(CLBL)
−
2
−
mV/K
Vscan(CLBL)
output voltage during vertical
scan
ICLBL = 0
0.59
0.63
0.67
V
TCscan
temperature coefficient of
Vscan(CLBL)
−−2
−
mV/K
Isink(CLBL)
internal sink current
2.4
−−
mA
IL(CLBL)
external load current
−−−3.0
mA
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT



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