tda4856-v6 NXP Semiconductors, tda4856-v6 Datasheet - Page 16

• Manufacturer Part Number: tda4856-v6
• Description: I2c-bus Autosync Deflection Controller For Pc Monitors
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2003 Sep 30
Automatic polarity correction for vertical sync
t
t
Video clamping/vertical blanking output: pin CLBL
t
V
TC
STPS
t
t
t
t
V
t
TC
V
TC
I
I
VSYNC(max)
d(VPOL)
clamp(CLBL)
d(HSYNCt-CLBL)
clamp(max)
d(HSYNCl-CLBL)
clamp(max)
blank(CLBL)
sink(CLBL)
L(CLBL)
clamp(CLBL)
blank(CLBL)
scan(CLBL)
I
PC monitors
2
clamp
blank
scan
SYMBOL
C-bus autosync deflection controller for
clamp
maximum width of vertical sync
pulse
delay for changing polarity
width of video clamping pulse
top voltage level of video
clamping pulse
temperature coefficient of
V
steepness of slopes for
clamping pulse
delay between trailing edge of
horizontal sync and start of
video clamping pulse
maximum duration of video
clamping pulse referenced to
end of horizontal sync
delay between leading edge of
horizontal sync and start of
video clamping pulse
maximum duration of video
clamping pulse referenced to
end of horizontal sync
top voltage level of vertical
blanking pulse
width of vertical blanking pulse
at pins CLBL and HUNLOCK
temperature coefficient of
V
output voltage during vertical
scan
temperature coefficient of
V
internal sink current
external load current
clamp(CLBL)
blank(CLBL)
scan(CLBL)
PARAMETER
measured at V
R
clamping pulse triggered
on trailing edge of
horizontal sync;
control bit CLAMP = 0;
measured at V
clamping pulse triggered
on leading edge of
horizontal sync;
control bit CLAMP = 1;
measured at V
notes 1 and 2
control bit VBLK = 0
control bit VBLK = 1
I
CLBL
L
= 1 M ; C
16
= 0
CONDITIONS
L
CLBL
CLBL
CLBL
= 20 pF
= 3 V
= 3 V
= 3 V
0.45
0.6
4.32
1.7
220
305
0.59
2.4
MIN.
0.7
4.75
4
50
130
300
1.9
260
350
2
0.63
2
TYP.
Product specification
400
1.8
0.8
5.23
1.0
0.15
2.1
300
395
0.67
TDA4856
MAX.
3.0
ms
V
mV/K
ns/V
ns
ns
V
mV/K
V
mV/K
mA
mA
UNIT
s
s
s
s
s
s