CXA1785 Просмотр технического описания (PDF) - Sony Semiconductor

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производитель

CXA1785

RGB Decoder/Driver

Sony Semiconductor 

CXA1785AR

Pin No. Symbol Pin voltage

19 R DC DET

21 G DC DET

23 B DC DET

20

R OUT Vcc2+VEE

2

22 G OUT

24

B OUT

25

VCC2

26

CLIP

2.3V

Equivalent circuit

VCC1

19

21

23

Description

Smoothing capacitor con-

nection for the feedback circuit

of RGB output DC level control

. Use a low-leakage capacitor

because this pin has high

impedance.

VEE

GND

RGB primary color signal

VCC2

output.

20

22

24

VEE

VCC1

26

Power supply connection for

RGB output.

Sets the RGB output ampl-

itude (black-black) clip level.

This pin is preset internally.

27

SUB

BRIGHT

R

28

SUB

BRIGHT

B

29

FRP

2.2V

GND

VCC1

27

2.2V

28

VEE

VCC1

29

VEE

Fine adjustment for R and B

signal brightness. Functions

with the γ compensation curve.

This pin is preset internally.

GND

Polarity reverse timing pulse

input for RGB output.

Reversed when low; non-

reversed when high.

GND

—6—

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