參數(shù)資料
型號： 935237460112
廠商： NXP SEMICONDUCTORS
元件分類： 偏轉(zhuǎn)
英文描述： HORIZ/VERT DEFLECTION IC, PDIP32
封裝： PLASTIC, SDIP-32
文件頁數(shù)： 9/63頁
文件大?。?/td> 318K
代理商： 935237460112
1999 Jul 13
17
Philips Semiconductors
Product specication
I2C-bus autosync deection controllers for
PC/TV monitors
TDA4853; TDA4854
Automatic polarity correction for vertical sync
tW(VSYNC)(max)
maximum width of vertical sync
pulse
400
s
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
s
Vclamp(CLBL)
top voltage level of video
clamping pulse
4.32
4.75
5.23
V
TCclamp
temperature coefcient of
Vclamp(CLBL)
4
mV/K
STPSclamp
steepness of slopes for
clamping pulse
RL =1M; 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
tclamp1(max)
maximum duration of video
clamping pulse referenced to
end of horizontal sync
1.0
s
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
tclamp2(max)
maximum duration of video
clamping pulse referenced to
end of horizontal sync
0.15
s
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
s
control bit VBLK = 1
305
350
395
s
TCblank
temperature coefcient of
Vblank(CLBL)
2
mV/K
Vscan(CLBL)
output voltage during vertical
scan
ICLBL = 0
0.59
0.63
0.67
V
TCscan
temperature coefcient 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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