UPD3725A Просмотр технического описания (PDF) - NEC => Renesas Technology

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UPD3725A

5000-BIT × 3 CCD COLOR LINEAR IMAGE SENSOR

NEC => Renesas Technology 

DATA SHEET

MOS INTEGRATED CIRCUIT

µPD3725A

5000-BIT × 3 CCD COLOR LINEAR IMAGE SENSOR

The µPD3725A is a high sensitivity 5000-bit × 3 CCD (Charge Coupled Device) color linear image sensor which

changes optical images to electrical signal and has the function of color separation.

The µPD3725A has 3 rows of 5000-bit photocell array and 6 rows of 2500-bit charge transferred register, so it is

suitable for high resolution color image scanners and digital color copiers.

FEATURES

• Valid photocell : 5000-bit × 3

• Photocell's pitch : 14 µm

• Line distance : 112 µm (8 lines) R(red) bit-G(green) bit, Gbit-B(blue)bit

• Color filter

: Primary colors (red, green and blue), pigment filter (with light resistance 107lx•Hour)

• Resolution

: 16 dot/mm across the shorter side of a B4-size (257 × 364 mm) sheet

• Drive clock level : CMOS output under 5 V operation

• Data rate

: 16 MHz MAX.

• High speed scan : 320 µs/line

• Power supply : +12 V

CHANGED POINTS from the µPD3725D-01

• Pins 18 and 15, 17 and 14, 11 and 8, 12 and 9 are each connected inside of the device (refer to BLOCK

DIAGRAM).

• The specification of the total transfer efficiency (TTE) is improved from 92 % to 93.5 % (MIN.) (refer to

ELECTRICAL CHARACTERISTICS).

ORDERING INFORMATION

Part Number

µPD3725AD

Package

CCD linear image sensor 24-pin ceramic DIP (600 mil)

The information in this document is subject to change without notice.

Document No. S11324EJ1V0DS00 (1st edition)

Date Published March 1996 P

Printed in Japan

©

1996

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