CXA2153 データシートの表示（PDF） - Sony Semiconductor

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CXA2153

Preamplifier for High Resolution Computer Display

Sony Semiconductor 

CXA2153S

No. Measurement item Symbol

8 Drive control

GDRV

Measurement contents

Measure the level of the output signal

amplitude Vout when a 0.7Vp-p video

signal is input.

Contrast = FF/DRIVE = 00

Input signal

0.7Vp-p

Min. Typ. Max. Unit

–100 0 120 mVp-p

GOSD1

Measure the OSD level of the output signal

when the OSD pulse is input.

GOSD1: OSD = FF/DRIVE = FF

GOSD2: OSD = 00/DRIVE = FF

4 4.57 5.15 Vp-p

9 OSD gain control

GOSD2

OSD period

RGB output signal

OSD

level

–330 0 360 mVp-p

10 Relative OSD

OSDGAP

VBRT1

Calculate the difference in the data obtained

in No.9 between the channels.

–200

0

200 mV

Measure the black level of the RGB output

signal.

VBRT1: Brightness = 00

VBRT2: Brightness = FF

0.6 0.8 0.95

11 Brightness control

RGB output signal

V

VBRT2

GND

Black level

2.5 2.93 3.28

12 Relative brightness

VBRTGAP

Calculate the difference in the data obtained

in No.11 between the channels.

–200

0

Measure the BLK level of the output signal

when a BLK pulse is input.

200 mV

13 BLK level

VBLK

GND

BLK level

0.13 0.43 0.74 V

– 13 –

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