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Número de pieza | UPD3728 | |
Descripción | 7300 PIXELS x 3 COLOR CCD LINEAR IMAGE SENSOR | |
Fabricantes | NEC | |
Logotipo | ||
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No Preview Available ! DATA SHEET
MOS INTEGRATED CIRCUIT
µPD3728
7300 PIXELS × 3 COLOR CCD LINEAR IMAGE SENSOR
The µPD3728 is a high-speed and high sensitive color CCD (Charge Coupled Device) linear image sensor which
changes optical images to electrical signal and has the function of color separation.
The µPD3728 has 3 rows of 7300 pixels, and it is a 2-output/color type CCD sensor with 2 rows/color of charge
transfer register, which transfers the photo signal electrons of 7300 pixels separately in odd and even pixels.
Therefore, it is suitable for 600 dpi/A3 high-speed color digital copiers and so on.
FEATURES
• Valid photocell : 7300 pixels × 3
• Photocell's pitch : 10 µm
• Line spacing
• Color filter
: 40 µm (4 lines) Red line-Green line, Green line-Blue line
: Primary colors (red, green and blue), pigment filter (with light resistance 107 lx•hour)
• Resolution
: 24 dot/mm (600 dpi) A3 (297 × 420 mm) size (shorter side)
• Drive clock level : CMOS output under 5 V operation
• Data rate
: 40 MHz MAX. (20 MHz/1 output)
• Output type
: 2 outputs in phase/color
• Power supply : +12 V
• On-chip circuits : Reset feed-through level clamp circuits
Voltage amplifiers
ORDERING INFORMATION
Part Number
µPD3728D
Package
CCD linear image sensor 36-pin ceramic DIP (600 mil)
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. S13878EJ1V0DS00(1st edition)
Date published April 1999 N CP(K)
Printed in Japan
©
1999
1 page µPD3728
ELECTRICAL CHARACTERISTICS
TA = +25 °C, VOD = 12 V, fφRB = 1 MHz, data rate = 2 MHz, storage time = 10 ms,
light source: 3200 K halogen lamp +C-500S (infrared cut filter, t = 1mm), input signal clock = 5 Vp-p
Parameter
Saturation voltage
Saturation exposure
Red
Green
Blue
Photo response non-uniformity
Average dark signal Note 1
Dark signal non-uniformity Note 1
Power consumption
Output impedance
Response
Image lag Note 1
Red
Green
Blue
Offset level Note 2
Output fall delay time Note 3
Register imbalance
Total transfer efficiency
Symbol
Vsat
SER
SEG
SEB
PRNU
ADS1
ADS2
DSNU1
DSNU2
PW
ZO
RR
RG
RB
IL1
IL2
VOS
td
RI
TTE
Response peak
Dynamic range Note 1
Red
Green
Blue
Reset feed-through noise Note 2
Random noise Note 1
DR11
DR12
DR21
DR22
RFTN
σbit1
σbit2
σline1
σline2
Test Conditions
VOUT = 1 V
Light shielding
Light shielding
VOUT = 1 V
VOUT = 1 V
VOUT = 1 V
VOUT = 1 V,
data rate = 40 MHz
Vsat/DSNU1
Vsat/DSNU2
Vsat/σbit1
Vsat/σbit2
Light shielding
Light shielding, bit clamp
mode (t7 = 150 ns)
Light shielding, line
clamp mode (t19 = 3 µs)
MIN.
1.5
3.9
3.6
4.5
4.0
0
95
–500
–
–
–
–
TYP.
2.0
0.35
0.39
0.31
6
1.0
0.5
2.0
1.0
600
0.3
5.6
5.1
6.4
2.0
1.0
5.0
20
98
630
540
460
1000
2000
2000
4000
+200
1.0
0.5
4.0
2.0
MAX.
–
18
5.0
5.0
5.0
5.0
800
0.5
7.3
6.6
8.3
5.0
5.0
6.0
4.0
+500
–
–
–
–
Unit
V
lx•s
lx•s
lx•s
%
mV
mV
mV
mV
mW
kΩ
V/lx•s
V/lx•s
V/lx•s
%
%
V
ns
%
%
nm
nm
nm
times
times
times
times
mV
mV
mV
mV
mV
Notes 1. ADS1, DSNU1, IL1, DR11, DR21, σbit1 and σline1 show the specification of VOUT1 and VOUT2.
ADS2, DSNU2, IL2, DR12, DR22, σbit2 and σline2 show the specification of VOUT3 to VOUT6.
2. Refer to TIMING CHART 2, 5.
3. When the fall time of φ1L (t2’) is the TYP. value (refer to TIMING CHART 2, 5).
DATA SHEET S13878EJ1V0DS00
5
5 Page TIMING CHART 4 (Line clamp mode, for each color)
φ TG1 to
φ TG3
φ 1 (φ10)
φ 2 (φ20)
φ 1L
φ RB
φ CLB
VOUT1, 3, 5
Note
VOUT2, 4, 6
Optical black
(96 pixels)
Valid photocell
(7300 pixels)
Note Set the φRB to high level during this period.
Remark Inverse pulse of the φTG1 to φTG3 can be used as φCLB.
Invalid photocell
(6 pixels)
Invalid photocell
(6 pixels)
Note
11 Page |
Páginas | Total 24 Páginas | |
PDF Descargar | [ Datasheet UPD3728.PDF ] |
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