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參數(shù)資料
| 型號： | LA7138M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Monolithic Linear IC For the DVD Player Analog Video Signal I/F Driver |
| 中文描述： | 單片線性集成電路的DVD播放機(jī)模擬視頻信號I /女驅(qū)動 |
| 文件頁數(shù)： | 10/13頁 |
| 文件大?。?/td> | 332K |
| 代理商： | LA7138M |
LA7138M
No.A0220-10/16
Continued from preceding page.
Pin
No.
Pin name
I/O
Pin
voltage
Input/
Output
impedance
11.6
Function
Equivalent circuit
13
Y.OUT1
O
2.7V
15
17
19
21
Y.OUT2
O
2.7V
11.6
Video signal output pin.
Drives the video signal entered in pin 10 by
75
. Mute possible with pin 1.
C.OUT1
O
3.9V
11.6
C.OUT2
O
3.9V
11.6
Video signal output pin.
Drives the video signal entered in pin 6 by 75
.
Mute possible with pin 1.
COMP.OUT1
O
3.57V
11.6
23
COMP.OUT2
O
3.57V
11.6
Video signal output pin.
Drives the video signal entered in pin 3 by 75
.
Mute possible with pin 1.
16
C-DC.OUT
O
4.7V
4.1
S1/S2 DC voltage output pin.
Outputs 0V for the 4: 3 mode, 2.2V for the
Letter-Box mode, and 5V for the squeeze
mode.
Connect with a 10k
resistor after capacitive
coupling of chroma signal output.
9
VCC1
P
12V
OR
8.0V
VCC for a signal processing circuit.
To use the supply voltage of 12V, connect an
emitter of external PNP transistor (see the test
circuit A). Insert a capacitor of around 47
μ
F
between this VCC and pin 7.
VCC for the 75
drive circuit.
Insert a capacitor of around 47
μ
F between this
VCC and GND of the 75
drive circuit.
Pay due attention to the layout because the
output signal has a substantial amplitude.
GND for the signal processing circuit.
20
VCC2
P
8V
7
GND1
P
0V
14
GND2
P
0V
GND of the 75
drive circuit (pins 13 and 15).
Pay due attention on the layout because the
output signal has a substantial amplitude.
GND of the 75
drive circuit (pins 17 and 19).
Pay due attention to the layout because the
output signal has a substantial amplitude.
GND of the 75
drive circuit (pins 21 and 23).
Pay due attention on the layout because the
output signal has a substantial amplitude.
18
GND2B
P
0V
24
GND2A
P
0V
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