LSH1208-BA50A Ver la hoja de datos (PDF) - ROHM Semiconductor

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LSH1208-BA50A

Color Contact Image Sensor Heads for High-speed Scanner

ROHM Semiconductor 

LSH1208-BA50A

(b-3) Data Output Timing Chart (300dpi mode)

After turning on the SP pulse, the analog output starts from the setting up point of 82 clock pulse.

300dpi mode

CLK

1

2 82

SP

AO1 to 3

Data Sheet

VREF output period

Vdummy

Analog output period

Vdummy

AO1 :

AO2 :

AO3 :

1 to 82clock

1 to 82clock

1 to 82clock

1 to 25pixels

−

−

Note)The CLK section area which is over the effective pixel numbers

(Output blank part) cannot be used as the analog Output

standard level.

Circuit diagram

VDD

GND

1μF×6 1

26 to 864pixels

865 to 1728pixels

1729 to 2578pixels

10368

SP

CLK

1

AO1

AO2

AO3

MODE

VREF

VLED

RGND

GGND

BGND

ANALOG MEMORY CIRCUIT

3456 3457

6912 6913

VDD

VREF

MODE

10368

−

−

2579 to 2592pixels

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2011.03 - Rev.B

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