TDA4568 데이터 시트보기 (PDF) - Philips Electronics
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TDA4568 Datasheet PDF : 10 Pages
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Philips Semiconductors
Luminance signal delay circuit
Preliminary specification
TDA4568
CHARACTERISTICS
VP = V10-18 = 12 V; Tamb = 25 °C; measured in application circuit Fig.3; unless otherwise specified
PARAMETER
CONDITIONS
SYMBOL
MIN. TYP.
Supply (pin 10)
Supply voltage
Supply current
Y-signal path
Y-input voltage
(composite signal)
capacitive
(peak-to-peak value)
coupling
Internal bias voltage
during clamping
Input current
during picture content
during sync. pulse
Y-signal delay at pin 12
S1 open;
R14 = 1.2 kΩ;
notes 1 and 2
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 to 12 V
Fine adjustment of Y-signal
delay for all 4 steps
S1 closed
Signal delay between pin 11 and S1 open
pin 12
Dependency of delay time
on temperature
VP
IP
V17(p-p)
V17-18
I17
−I17
t17-18
t17-18
t17-18
t17-18
t17-12
t11-12
∆-t-1--t-7-1--7–----–1--2-1---2⋅---∆----T----j
10.8 12
−
22
−
0.45
2.1
2.4
−
8
−
100
490
550
580
640
670
730
760
820
−
37
160
180
−
0.001
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
f = 0.5 MHz
note 3
-t∆-1---7t--1-–-7---1-–-2--1--⋅-2--∆----V-----P-
−I15
V11 / V17
V12 / V17
−
−0.03
−
15
−1
0
0
+1
-VV----11---11------(-(--03---.--5--M----M--H----Hz----)-z---)--
0
−
pin 12
V-V---1-1--22----((---3-0---.--5-M-----MH-----zH---)--z---)--
0
−
MAX. UNIT
13.2 V
−
mA
0.62 V
2.7
V
12
µA
150
µA
610
ns
700
ns
790
ns
880
ns
−
ns
200
ns
−
K−1
−
V−1
25
µA
+1
dB
+2
dB
3.0
dB
3.0
dB
May 1989
6
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