UPD8870 Datasheet PDF - NEC
Part Number | UPD8870 | |
Description | CCD LINEAR IMAGE SENSOR | |
Manufacturers | NEC | |
Logo | ||
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DATA SHEET
MOS INTEGRATED CIRCUIT
µ PD8870
10680 PIXELS × 3 COLOR CCD LINEAR IMAGE SENSOR
DESCRIPTION
The µ PD8870 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 PD8870 has 3 rows of 10680 pixels, and each row has a double-sided readout type of 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 : 10680 pixels × 3
• Photocell pitch : 4 µ m
• Photocell size : 4 × 4 µ m2
• Line spacing
• Color filter
: 48 µ m (12 lines) Red line - Green line, Green line - Blue line
: 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
: 10 MHz Max.
• Power supply : +12 V
• On-chip circuits : Reset feed-through level clamp circuits
:: Voltage amplifiers
ORDERING INFORMATION
Part Number
Package
µ PD8870CY
CCD linear image sensor 32-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 devices/types available in every country. Please check with local NEC representative for
availability and additional information.
Document No. S15328EJ2V0DS00 (2nd edition)
Date Published September 2002 NS CP (K)
Printed in Japan
The mark shows major revised points.
2001
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µ PD8870
ELECTRICAL CHARACTERISTICS
TA = +25°C, VOD = 12 V, data rate (fφ RB) = 2 MHz, storage time = 5.5 ms, input signal clock = 5 Vp-p,
light source : 3200 K halogen lamp + C-500S (infrared cut filter, t = 1 mm) + HA-50 (heat absorbing filter, t = 3 mm)
Parameter
Saturation voltage
Saturation exposure
Red
Green
Blue
Photo response non-uniformity
Average dark signal
Dark signal non-uniformity
Power consumption
Output impedance
Response
Red
Green
Blue
Image lag
Offset level Note 1
Output fall delay time Note 2
Total transfer efficiency
Register imbalance
Response peak
Red
Green
Blue
Dynamic range
Reset feed-through noise Note 1
Random noise (CDS)
Symbol
Test Conditions
Vsat
SER
SEG
SEB
PRNU VOUT = 1.0 V
ADS Light shielding
DSNU Light shielding
PW
ZO
RR
RG
RB
IL VOUT = 1.0 V
VOS
td VOUT = 1.0 V, t1’, t2’ = 5 ns
TTE VOUT = 1.0 V, data rate = 10 MHz
RI VOUT = 1.0 V
DR1
DR2
RFTN
σ CDS
Vsat/DSNU
Vsat/σ CDS
Light shielding
Light shielding
Min.
3.0
−
−
−
−
−
−
−
−
2.52
2.31
1.54
−
4.0
−
92
−
−
−
−
−
−
−1000
−
Typ.
3.2
0.889
0.970
1.455
6
0.2
1.0
360
0.35
3.60
3.30
2.20
1.5
5.5
25
98
1.0
630
540
460
3200
3200
−300
1.0
Max.
−
−
−
−
20
4.0
4.0
480
1.00
4.68
4.29
2.86
7.0
7.0
−
−
4.0
−
−
−
−
−
+500
−
Unit
V
lx•s
lx•s
lx•s
%
mV
mV
mW
kΩ
V/lx•s
V/lx•s
V/lx•s
%
V
ns
%
%
nm
nm
nm
times
times
mV
mV
Notes 1. Refer to TIMING CHART 2, 3.
2. When each fall time of φ 1L and φ 2L (t1’, t2’) is the Typ. value (refer to TIMING CHART 2, 3).
Data Sheet S15328EJ2V0DS
5
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Information | Total 24 Pages | |
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