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Número de pieza | UPD3768 | |
Descripción | 7500 PIXELS x 3 COLOR CCD LINEAR IMAGE SENSOR | |
Fabricantes | NEC | |
Logotipo | ||
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No Preview Available ! DATA SHEET
MOS INTEGRATED CIRCUIT
µ PD3768
7500 PIXELS × 3 COLOR CCD LINEAR IMAGE SENSOR
DESCRIPTION
The µ PD3768 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 µ PD3768 has 3 rows of 7500 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 7500 pixels separately in odd and even pixels.
Therefore, it is suitable for 600 dpi/A3 high-speed color digital copiers, color scanners and so on.
FEATURES
• Valid photocell : 7500 pixels × 3
• Photocell pitch : 9.325 µ m
• Line spacing
• Color filter
: 37.3 µ m (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 A3 (297 × 420 mm) size (shorter side)
• Drive clock level : CMOS output under 5 V operation
• Data rate
: 44 MHz MAX. (22 MHz/1 output)
• Output type
: 2 outputs in phase/color
• Power supply : +10 V
• On-chip circuits : Reset feed-through level clamp circuits
Voltage amplifiers
ORDERING INFORMATION
Part Number
Package
µ PD3768D
CCD linear image sensor 36-pin ceramic DIP (CERDIP) (15.24 mm (600))
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. S15418EJ2V0DS00 (2nd edition)
Date Published September 2002 NS CP (K)
Printed in Japan
The mark shows major revised points.
2001
1 page µ PD3768
ELECTRICAL CHARACTERISTICS
TA = +25°C, VOD = 10 V, fφ R = 1 MHz, data rate = 2 MHz, storage time = 10 ms, input signal clock = 5 Vp-p,
light source (except Response1) : 2950 K halogen lamp + CM-500S (infrared cut filter, t = 1 mm)
Parameter
Saturation voltage
Saturation exposure
Red
Green
Blue
Photo response non-uniformity
Photo response non-uniformity
at low illumination
Average dark signal
Dark signal non-uniformity
Power consumption
Output impedance
Response1
Red
Green
Blue
Response2
Red
Green
Blue
Image lag
Image lag color difference
Image lag O/E
Offset level Note 1
Output fall delay time Note 2
Register imbalance
Total transfer efficiency
Response peak
Red
Green
Blue
Dynamic range
Reset feed-through noise
Light shielding random noise
Symbol
Test Conditions
Vsat
SER
2950 K halogen lamp + CM-500S
SEG
SEB
PRNU VOUT = 1.0 V
PRNU2 VOUT = 0.1 V
ADS
DSNU
PW
ZO
RR
RG
RB
RR
RG
RB
IL
IL-DIF
IL-O/E
VOS
td
RI
TTE
Light shielding, data rate = 2 MHz,
storage time = 10 ms
Light shielding, data rate = 2 MHz,
storage time = 10 ms
3200 K halogen lamp + C-500S
+ HA-50
2950 K halogen lamp + CM-500S
VOUT = 500 mV
VOUT = 500 mV
VOUT = 500 mV
VOUT = 1.0 V
VOUT = 1.0 V, fφ R = 22 MHz
DR1
DR2
RFTN
σ dark
Vsat/DSNU
Vsat/σ dark
Light shielding
Bit clamp, t17 = 10 ns
Min. Typ.
1.5 2.0
− 0.14
− 0.13
− 0.26
− 6.0
− 6.0
− 1.0
− 3.0
−
−
15.4
12.6
5.6
9.8
10.7
5.3
−
−
−
3.8
−
−
94
−
−
−
−
−
−1000
−
700
0.2
22.0
18.0
8.0
14.0
15.3
7.6
40
5
10
4.5
14
0
98
630
540
445
666
870
−200
2.3
Max.
−
−
−
−
18.0
18.0
5.0
12.0
900
0.4
28.6
23.4
10.4
18.2
19.9
9.9
80
20
30
5.2
−
5
−
−
−
−
−
−
+500
−
Unit
V
lx•s
lx•s
lx•s
%
%
mV
mV
mW
kΩ
V/lx•s
V/lx•s
V/lx•s
V/lx•s
V/lx•s
V/lx•s
mV
mV
mV
V
ns
%
%
nm
nm
nm
times
times
mV
mV
Notes 1. Refer to TIMING CHART 2 and TIMING CHART 4.
2. td is defined as periods from 10% of φ 2L to 10% of VOUT1 to VOUT6 (refer to APPLICATION CURCUIT
EXAMPLE).
Data Sheet S15418EJ2V0DS
5
5 Page TIMING CHART 5 (Bit clamp mode, line clamp mode, for each color)
t2 t3 t4
φ TG1 to φ TG3
90%
10%
t1
90%
φ 10, φ 1A, φ 1B
φ 20, φ 2A, φ 2B
φ 2L
Note
φR
φ CP
Symbol
t1, t5
t2, t4
t3
t8, t10
t9
t12, t14
t13
t15
t16
t17
Min.
200
0
3000
0
10
0
10
0
8
8
t5 t8 t9 t10 t17
t15
90%
10%
t16 t12 t13 t14
90%
10%
Typ.
300
50
5000
5
125
5
125
250
125
125
Max.
−
−
−
−
−
−
−
−
−
−
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Note Set the φ R and φ CP pulse to low level during this period.
µ PD3768
Data Sheet S15418EJ2V0DS
11
11 Page |
Páginas | Total 24 Páginas | |
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