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參數(shù)資料
| 型號(hào)： | AN5693 |
| 廠(chǎng)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(hào)處理ICwith內(nèi)置I2Cbus Interfacefor PAL / NTSC制式彩色電視 |
| 文件頁(yè)數(shù)： | 17/34頁(yè) |
| 文件大?。?/td> | 325K |
| 代理商： | AN5693 |
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17
ICs for TV
AN5693K
I
Pin Equivalent Circuit(continued)
Pin No.
Equivalent Circuit
Function
Status
7
8
Pin7 : Chroma Oscillator Pin(4.43 MHz)
Pin8 : Chroma Osicillator Pin(3.58 MHz)
At chroma oscillator pin, either
4.43 MHz or 3.58 MHz oscillation
takes place
Oscillation frequency switching is
done by I
2
C bus, 0E-D0 bit
When 0E-D0
=
1, IP1, IP2 is on.
3.58 MHz is oscillating
The PCB layout pattern between the
pin and the resonator must be as short
as possible
AC
f
=
f
C
about 0.3 V
PP
9
Spot Killer Pin :
When the set is power off, it is used
for discharging the electric charge from
CRT quicky
When V
CC1
reduces, RGB output pin's
DC voltage rise
DC
about 9 V
10
Y
S
Input Pin :
The fast blanking pulse input pin is for
the OSD
Above 1 V
OP
is on
AC
(Pulse)
11
12
13
Pin11 : External R Input Pin
Pin12 : External G Input Pin
Pin13 : External B Input Pin
The external input pins are for the OSD
The output level changes linearly with
the input level
AC
(Pulse)
The Input's limiting voltage changes
according to the contrast control level
500
μ
A
500
μ
A
C7, C8 have temperature
characteristics(N750)
100
μ
A
100
μ
A
7
8
100
μ
A
DC
2.7 V
DC
2.7 V
4.43 MHz
3.58 MHz
C7
12 pF
C8
15 pF
I
P1
I
P2
I
N2
I
N1
10 k
To RGB
output
circuit
9 V
(V
CC1
)
1.7 k
1
μ
F
9
100 k
V
CC1
2.7 k
10
9 V
(V
CC1
)
To RGB
output circuit
30 k
1 V
100
μ
A
50
μ
A
From
μ
-com.
Output
2.5V (max.)
Input
Contrast
min.
Contrast
max.
Pin 11,12,13 2.7 k
9 V
(V
CC1
)
30 k
50
μ
A
To RGB
output circuit
V
REF
From
μ
-com.
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