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LA7138M Datasheet(PDF) 11 Page - Sanyo Semicon Device

Part No. LA7138M
Description  Monolithic Linear IC For the DVD Player Analog Video Signal I/F Driver
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Maker  SANYO [Sanyo Semicon Device]
Homepage  http://www.ssdc-jp.com/eng/
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LA7138M
No.A0220-11/16
Control Pin Function Table
Pin No.
Pin condition
LOW
OPEN
HIGH
Pin voltage
0 to 0.6V
1.55 to 1.75V
2.7 to 5V
Pin 1
Mute of 75
Ω driver
13,17,21
mute
No mute
15,19,23
mute
Pin voltage
0 to 0.6V
1.55 to 1.75V
2.7 to 5V
Pin 2
(Y point)
Signal input mode select
Composite/S
Base band
Component
Pin voltage
0 to 1V
2.7 to 8V (Note)
Pin 11
AMP–GAIN select
6dB
8.5dB
Pin voltage
0 to 1V
2.7 to 8V (Note)
Pin 22
Y/C-MIX Control
Y/C-MIX
Composite
Note: Do not apply to pins 11 and 22 a voltage higher than the REG & VCC2 voltages of pins 8 and 20.
* Do not use Y/C-MIX for cases other than composite/S.
* For composite, the chroma signal is entered with pin 6 in C connection, the composite signal is entered with pin 3 clamped, and the Y signal is entered with pin 9
clamped. However, for S, Pin 3 has no input.
For component, the B-Y/R-Y signal is entered with pins 3 and 6 clamped to pedestal and the Y signal is entered with pin 10 clamped.
For base band, the RGB signal is entered with pins 3, 6, and 10 clamped.
Do not use Pins 11 and 22 in the OPEN state.
Pin 4
Pin 5
Pin 16 output DC
0 to 1V
0 to 1V
LOW (0V)
→ 4:3Mode
0 to 1V
2.6 to 5V
MIDDLE (2.5V)
→ Letter-Box mode
2.6 to 5V
0 to 1V
HIGH (5V)
→ Squeeze mode
2.6 to 5V
2.6 to 5V
Not allowed




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