TDA4566 Просмотр технического описания (PDF) - Philips Electronics
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производитель
TDA4566 Datasheet PDF : 11 Pages
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Philips Semiconductors
Colour transient improvement circuit
Preliminary specification
TDA4566
PARAMETER
Y-signal path
Y-input voltage
(composite signal)
(peak-to-peak value)
Internal bias voltage
Input current
during picture content
during sync. pulse
Y-signal delay at pin 12
at V15−18 = 0 to 2.5 V
at V15-18 = 3.5 to 5.5 V
at V15−18 = 6.5 to 8.5 V
at V15-18 = 9.5 to12 V
Fine adjustment of Y-signal
delay for all 4 steps
Signal delay between pin 11
and pin 12
Dependency of delay time
on temperature
on supply voltage
Input switching current
Y-signal attenuation
pin 11 from pin 17
pin 12 from pin 17
Frequency response at
3 MHz referred to 0.5 MHz
pin 11
pin 12
CONDITIONS
SYMBOL
MIN. TYP.
MAX.
UNIT
capacitive
coupling
during clamping
V17(p-p)
V17-18
−
0.45 0.62
V
2.1
2.4
2.7
V
S1 open;
R14 = 1.2 kΩ;
notes 3 and 4
I17
−I17
t17-18
t17-18
t17-18
t17-18
−
8
12
µA
−
100
150
µA
490
550
610
ns
580
640
700
ns
670
730
790
ns
760
820
880
ns
S1 closed
t17-12
−
37
−
ns
S1 open
t11-12
160
180
200
ns
t--1---7-∆---–-t-1-1--72----–•---1--∆2---T----j
−
0.001 −
K−1
-t-1---7∆----–t--1-1-7-2---–-•---1--∆2---V--- P
−
−0.03 −
V−1
−I15
f = 0.5 MHz
−
15
25
µA
V11/V17
V12/V17
−1
0
+1
dB
0
+1
+2
dB
note 5
-V--V--1--11---1--(--0(--3-.--5--M---M--H---H--z--z-)---)
0
−
3.0
dB
-V--V--1--21---2--(--0(--3-.--5--M---M--H---H--z--z-)---)
0
−
3.0
dB
March 1991
7
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