M52744SP 데이터 시트보기 (PDF) - MITSUBISHI ELECTRIC

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M52744SP

I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER

MITSUBISHI ELECTRIC  

DESCRIPTION OF PIN

Pin No.

Name

1

OSD BLK IN

MITSUBISHI ICs (Monitor)

M52743SP/M52744SP

I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER

DC voltage (V )

−

Peripheral circuit of pins

R

G

1

B

0.8mA

2.7V

Description of function

⋅Input pulses

3.7 to 5V

1.7V

maximum

⋅Connected to GND if not

used.

2

INPUT (R)

6

INPUT (G)

2.5

11

INPUT (R)

3

VCC1 (R)

8

VCC1 (G)

12

VCC1 (B)

4

OSD IN (R)

9

OSD IN (G)

13

OSD IN (B)

5

GND 1 (R)

10

GND 1 (G)

14

GND 1 (B)

22

GND (5V)

33

GND 2

12

−

GND

7

INPUT

(S on G)

When open≈2.5V

2k

2k

⋅Clamped to about 2.5V

due to clamp pulses

2

from pin 19.

⋅Input at low impedance.

0.3mA

2.5V

CP

−

⋅Apply equivalent

voltage to 3 channels.

1k

4

0.5mA

⋅Input pulses

3.7 to 5V

1.7V

maximum

⋅Connected to GND if not

2.7V

used.

−

500

1k

3.2V

7

⋅SYNC ON GREEN

input pin for sync

separation.

Sync is negative.

input signal at Pin7,

compare with the

reference voltage of

internal circuit in order to

separate sync signal.

⋅When not used, set to

OPEN.

16

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