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參數(shù)資料
| 型號： | AN5095 |
| 廠商： | Panasonic Corporation |
| 英文描述： | Single chip IC with I2C bus interface for PAL/NTSC color TV system |
| 中文描述： | 單一的PAL制式的I2C總線接口芯片IC / NTSC彩色電視系統(tǒng) |
| 文件頁數(shù)： | 26/36頁 |
| 文件大小： | 405K |
| 代理商： | AN5095 |
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26
AN5095K
ICs for TV
Pin No.
Equivalent circuit
Description
voltage
AC
+
DC
burst
48
Chroma signal input pin
Black extension start point adjusting pin:
Pin 48 is chroma signal input pin, and the
150 mV[p-p] typ.
black extension start point is adjusted by
DC voltage applied from the outside.
DC
4.5 V typ.
49
GND:
For video chroma jungle circuit.
DC
0 V
50
FBP input pin:
FBP input pin for horizontal blanking and
AFC circuit.
Threshold level
H-BLK: 0.7 V
AFC: 1.9 V
It becomes all blanking when DC 1.3 V is
applied from the outside.
AC
FBP
51
Horizontal stabilized power supply pin:
Stabilized power supply for starting up the
horizontal circuit that has a zener circuit inside.
DC
6.3 V
52
Horizontal AFC2 filter pin:
Comparing the phase of FBP and that of
inside pulse of the IC, charge to and dis-
charge from the capacitor connected to
pin 52 are done.
Performed by charging and discharging
in DC current by the screen center
position adjusting DAC.
V
52
changes depending on the time from
H-out to FBP, and the slice level of
internal sawtooth waveform changes.
DC
1.5 V to
3.5 V
I
Terminal Equivalent Circuits (continued)
51
V
CC2
I
51
15 mA typ.
47
μ
F
To hor. OSC
6.3V
I
51
V
51
6.3 V
(V
CC2
)
3.3 V
1.9 V
V
52
500
μ
A max.
1 k
2 k
1 k
2 k
50
μ
A
0.022
μ
F
52
From DAC
(hor. position)
To hor. out
AFC2
detecter
I
40
k
40
k
5 V
(V
CC3
)
50
μ
A
50
100
μ
A
1.9 V
24 k
0.7 V
To
AFC
To
H-BLK
60
k
100
μ
A
50
μ
A
50
μ
A
5 V
(V
CC3
)
1 000 pF
48
50
μ
A
2.5 V
9 V
(V
CC1
)
To
chroma amp.
Chroma
signal
To
black level
expansion
25
μ
A
100
μ
A
15 k
12.5 pF
9 V
10 k
10 k
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PDF描述 |
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參數(shù)描述 |
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