CXA2055P 데이터 시트보기 (PDF) - Sony Semiconductor

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CXA2055P

Preamplifier for High Resolution Computer Display

Sony Semiconductor 

CLP (1)

VDET LEVEL (2)

D/A TEST (1)

PINSW

CXA2055P

: Selects the input clamp pulse polarity.

0H : Positive polarity input

1H : Negative polarity input

: Threshold level selector switch for video interval detection. The threshold level

changes as follows.

(An input pulse width of as narrow as 10 ns can be detected.)

When VDET MOD=0H

When VDET MOD=1H

0H : 300 mV or more

0H : Undetectable

1H : Undetectable

1H : Undetectable

2H : Undetectable

2H : 300 mV or more

3H : Undetectable

3H : 600 mV or more

Note) The threshold level when VDET MOD=1H is the total of the three

channel inputs.

: DA TEST switch for IC measurement. Set to 0H.

: Switches the Pins 27 and 28 functions. (“∗” indicates don’t care.)

PINSW

210

000

100

010

110

∗01

∗11

Pin 28 output

DA (COFF_RGB)

DA (COFF_RGB)

VDET

VDET

DA (COFF_RGB)

VDET

Pin 27 output

C-SYNC

ABL (CONTRAST)

C-SYNC

ABL (CONTRAST)

DA (BRIGHTNESS)

DA (BRIGHTNESS)

Note) When the Pin 27 output is set to DA (BRIGHTNESS),

BRIGHTNESS is forcibly set to the three-channel common

mode.

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