TDA4857PS NXP Semiconductors, TDA4857PS Datasheet - Page 15

• Manufacturer Part Number: TDA4857PS
• Manufacturer: NXP Semiconductors

Specifications of TDA4857PS

• Lead Free Status / Rohs Status: Not Compliant

Philips Semiconductors
2001 Apr 11
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
Horizontal oscillator: pins HCAP and HREF
f
W(VSYNC)(max)
d(VPOL)
clamp(CLBL)
d(HSYNCt-CLBL)
clamp1(max)
d(HSYNCl-CLBL)
clamp2(max)
blank(CLBL)
sink(CLBL)
L(CLBL)
fr(H)
f
clamp(CLBL)
blank(CLBL)
scan(CLBL)
I
PC monitors
fr(H)
2
clamp
blank
scan
SYMBOL
C-bus autosync deflection controller for
clamp
maximum width of vertical sync
pulse
delay time 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
free-running frequency without
PLL1 action (for testing only)
spread of free-running
frequency (excluding spread of
external components)
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
R
R
C
CLBL
L
HBUF
HREF
HCAP
= 1 M ; C
15
= 0
CONDITIONS
= ;
= 2.4 k ;
= 10 nF; note 3
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
30.53
MIN.
0.7
4.75
4
50
130
300
1.9
260
350
2
0.63
31.45
2
TYP.
TDA4857PS
Product specification
400
1.8
0.8
5.23
1.0
0.15
2.1
300
395
0.67
32.39
MAX.
3.0
3.0
ms
V
mV/K
ns/V
ns
ns
V
mV/K
V
mV/K
mA
mA
kHz
%
UNIT
s
s
s
s
s
s