M52742SP 데이터 시트보기 (PDF) - MITSUBISHI ELECTRIC

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M52742SP

BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR

MITSUBISHI ELECTRIC  

MITSUBISHI ICs (Monitor)

PRELIMINARY

Notice:This is not a final specification.

Some parametric limits are subject to change.

M52742SP

BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR

DESCRIPTION OF PIN (cont.)

Pin No.

Name

DC voltage (V )

Peripheral circuit of pins

Description of function

21

SDA

50k

−

21

2k

⋅SDA of I2C BUS

(Serial data line)

VTH=2.3V

3V

23

24

25

D/A OUT

−

26

27

Retrace BLK

IN

−

28

EXT Feed

Back (B)

31

EXT Feed

Back (G)

34

EXT Feed

Back (R)

Variable

29

OUTPUT (B)

32

OUTPUT (G)

35

OUTPUT (R)

36

VCC2

Variable

12

Impressed

⋅D/A output pin.

Output voltage range is

23

0 to 5V, Max output

current is 0.4mA.

50k

27

R

G

B

2.25V

⋅Input pulses

2.5 to 5V

0.5V

maximum

⋅Connected to GND if not

used.

35k

28

36

50

50

29

⋅A resistor is needed on

the GND side.

Set discretionally to

maximum 15mA,

depending on the

required driving capacity.

⋅Used to supply power to

output emitter follower

only.

20

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