IMAGE SENSOR. UPD8873 Datasheet

UPD8873 Datasheet PDF


Part Number

UPD8873

Description

CCD LINEAR IMAGE SENSOR

Manufacture

NEC

Total Page 30 Pages
Datasheet
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UPD8873
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DATA SHEET
MOS INTEGRATED CIRCUIT
µ PD8873
(5400 × 5400) PIXELS × 3 COLOR CCD LINEAR IMAGE SENSOR
DESCRIPTION
The µ PD8873 is a color CCD (Charge Coupled Device) linear image sensor which changes optical images to
electrical signal and has the function of color separation.
The µ PD8873 has 3 rows of (5400 + 5400) staggered pixels, and each row has a dual-sided readout-type charge
transfer register. And it has reset feed-through level clamp circuits and voltage amplifiers. Therefore, it is suitable for
1200 dpi/A4 color image scanners, color facsimiles and so on.
FEATURES
Valid photocell : (5400 + 5400) staggered pixels × 3
Photocell pitch : 5.25 µ m
Line spacing : 63 µ m (12 lines) Red line - Green line, Green line - Blue line
Color filter
10.5 µ m (2 lines) Odd line - Even line (for each color)
: Primary colors (red, green and blue), pigment filter (with light resistance 107 lx•hour)
Resolution
: 48 dot/mm A4 (210 × 297 mm) size (shorter side)
1200 dpi US letter (8.5” × 11”) size (shorter side)
Drive clock level : CMOS output under 5 V operation
Data rate
: 12.5 MHz Max.
Power supply : +12 V
On-chip circuits : Reset feed-through level clamp circuits
Voltage amplifiers
ORDERING INFORMATION
Part Number
Package
µ PD8873CY
CCD linear image sensor 22-pin plastic DIP (10.16 mm (400))
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all products and/or types are available in every country. Please check with an NEC Electronics
sales representative for availability and additional information.
Document No. S16614EJ2V0DS00 (2nd edition)
Date Published July 2003 NS CP (K)
Printed in Japan
2003

UPD8873
BLOCK DIAGRAM
VOD φ SEL GND GND
20 19 2 11
VOUT1
(Blue)
21
VOUT2
(Green)
22
VOUT3
(Red)
1
43
φ CLB φ R
µ PD8873
φ2 φ2 φ1
17 15 14
CCD analog shift register
Transfer gate
······
Photocell
(Blue)
Transfer gate
CCD analog shift register
CCD analog shift register
Transfer gate
······
Photocell
(Green)
Transfer gate
CCD analog shift register
CCD analog shift register
Transfer gate
······
Photocell
(Red)
Transfer gate
CCD analog shift register
13
φ TG1
(Blue)
12
φ TG2
(Green)
10
φTG3
(Red)
598
φ1 φ2 φ1
2 Data Sheet S16614EJ2V0DS




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