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參數(shù)資料
| 型號： | AN5693 |
| 廠商： | Panasonic Corporation |
| 英文描述： | Luminance,Chroma and Sync. Signals Processing ICwith Built-in I2Cbus Interfacefor PAL/NTSC Color-TV |
| 中文描述： | 亮度，色度和同步。信號處理ICwith內(nèi)置I2Cbus Interfacefor PAL / NTSC制式彩色電視 |
| 文件頁數(shù)： | 16/34頁 |
| 文件大小： | 325K |
| 代理商： | AN5693 |
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16
AN5693K
ICs for TV
Pin No.
Equivalent Circuit
Function
Status
1
2
3
Pin1 : Color Difference Clamp Pin(R
Y)
Pin2 : Color Difference Clamp Pin(G
Y)
Pin3 : Color Difference Clamp Pin(B
Y)
Input from Pin51, 52, the color
difference signals are clamped according
to brightness control voltage
The clamp pulse uses internal clamp
pulse
DC
about 7 V
4
Killer Filter Pin :
Killer detection circuit's filter pin
(operate during BGP period)
Below 2.8 V, killer is on(no color
output)
DC
about 3.3 V
5
Killer Output Pin :
Killer detection circuits output pin
Pin5 pull-up resistor, 33 k
, is connected
to MICOM's V
CC
.
DC
Killer on
0.2 V
Killer off
5 V
6
APC Filter Pin :
APC detector circuit's filter pin
(operate during BGP period)
As external resistor, R, becomes larger,
detection sensitivity becomes larger
(pull in becomes easier. Interference
by noise becomes easier)
DC
about 2.5 V
During SECAM mode, the 40 k
is
shorted to stop APC circuit's operation
I
Pin Equivalent Circuit
150
μ
A
300
300
9V
(V
CC1
)
0.068
μ
F
Brightness
control
C-Y
CCP
Pin 1,2,3
5 V
(V
CC3
)
(V
CC1
)
2.8 V
BGP
4
270
137 k
2.5 V1.0 M
100
μ
A
3.3 V
0.47
μ
F
1 V
9 V
Killer
det.
circuit
5
40
μ
A
On
Killer
Off
10 k
175
Floating
resistor
to
μ
-com.
33 k
(
μ
-com. V
CC
)
5 V
5 V
(V
CC3
)
APC
det.
circuit
BGP
6
270
40 k
SW
2.5 VR
0
μ
F
2.2
μ
F
VCO circuit
max. 1mA
3.3 V
1 V
β
curve
f
C
V
6
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|---|---|
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