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NJM2569

3ch VIDEO AMPLIFIER FOR COLOR DIFFERENCE SIGNAL

sGENERAL

DESCRIPTION

The NJM2569 is a 3ch video amplifier for color difference

signal (R-Y,B-Y).

It composes the output circuit of video items for color

difference signal , because prepares clamp circuit , LPF , GCA.

Also it is suitable for portable items because of power save

circuit.

sFEATURES

qOperating

Voltage

qOperating

Current

qOperating

Current at Power Save

qInternal

Low Pass Filter

qInternal

Gain Control Amplifier

qBipolar

Technology

qPackage

Outline

sBLOCK

DIAGRAM

16

13

1

10

8

14

sOUTLINE

PACKAGE

NJM2569V

4.5 to 5.5V

17.0mA typ. at Vcc1=4.8V

7.0mA typ. at Vcc2=4.8V

1.5mA typ. at Vcc1=4.8V

5.0uA typ. at Vcc2=4.8V

SSOP20

19

VREF

PWRSAVE

20

CLAMP

LPF

GCA

CLAMP

+

-

12

11

18

17

2

CLAMP

LPF

GCA

CLAMP

+

-

9

3

15

4

CLAMP

LPF

GCA

CLAMP

+

-

7

5

6

PIN FUNCTION

1.Vcc1

2.Cb in

3.GCA CTL2

4.Cr in

5.GCA CTL3

6.CLAMP3

7.Cr out

8.GND1

9.Cb out

10.GND2(Driver)

11.Y

SAG

12.Yout

13.Vcc2(Driver)

14.Vref

15.CLAMP2

16.NC

17.CLAMP1

18.GCA CTL1

19.CP

20.Yin

Ver.1

-1-

next

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