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What is UPD3794CY?

This electronic component, produced by the manufacturer "NEC", performs the same function as "2700 PIXELS x 3 COLOR CCD LINEAR IMAGE SENSOR".


UPD3794CY Datasheet PDF - NEC

Part Number UPD3794CY
Description 2700 PIXELS x 3 COLOR CCD LINEAR IMAGE SENSOR
Manufacturers NEC 
Logo NEC Logo 


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DATA SHEET
MOS INTEGRATED CIRCUIT
µPD3794
2700 PIXELS × 3 COLOR CCD LINEAR IMAGE SENSOR
The µPD3794 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 µPD3794 has 3 rows of 2700 pixels, and each row has a single-sided readout type of charge transfer register.
And it has reset feed-through level clamp circuits, a clamp pulse generation circuit, an RGB selector and voltage
amplifiers. Therefore, it is suitable for 300 dpi/A4 color image scanners, color facsimiles and so on.
FEATURES
• Valid photocell : 2700 pixels × 3
• Photocell's pitch : 8 µm
• Line spacing
: 32 µm (4 lines) Green line-Blue line, Blue line-Red line
• Color filter
: Primary colors (red, green and blue), pigment filter (with light resistance 107 lx•hour)
• Resolution
: 12 dot/mm A4 (210 × 297 mm) size (shorter side)
300 dpi US letter (8.5” × 11”) size (shorter side)
• Drive clock level : CMOS output under 5 V operation
• Data rate
: 4 MHz MAX.
• Power supply : +12 V
• On-chip circuits : Reset feed-through level clamp circuits
Clamp pulse generation circuit
RGB selector
Voltage amplifiers
ORDERING INFORMATION
Part Number
µPD3794CY
Package
CCD linear image sensor 22-pin plastic DIP (400 mil)
The information in this document is subject to change without notice.
Document No.S13125EJ1V0DS00(1st edition)
Date published December 1997 N CP(K)
Printed in Japan
©
1997

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UPD3794CY equivalent
µPD3794
ELECTRICAL CHARACTERISTICS
TA = +25 °C, VOD = 12 V, data rate (fφRB) = 1 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
Dark signal non-uniformity
Power consumption
Output impedance
Response
Red
Green
Blue
Image lag
Offset level Note1
Output fall delay time Note2
Total transfer efficiency
Symbol
Vsat
SER
SEG
SEB
PRNU
ADS
DSNU
PW
ZO
RR
RG
RB
IL
VOS
td
TTE
Response peak
Dynamic range
Red
Green
Blue
Reset feed-through noise Note1
Random noise
DR1
DR2
RFTN
σ
Test Conditions
MIN.
2.0
VOUT = 1.0 V
Light shielding
Light shielding
VOUT = 1.0 V
VOUT = 1.0 V
VOUT = 1.0 V,
data rate = 4 MHz
10.3
9.4
5.6
4.5
92
Vsat /DSNU
Vsat /σ
Light shielding
Light shielding
–1000
TYP.
3.0
0.205
0.225
0.375
6
0.5
4.0
300
0.5
14.6
13.3
8.0
5.0
6.0
70
98
630
540
460
750
3000
–300
1.0
Notes 1. Refer to TIMING CHART 2.
2. When the fall time of φ1 (t1) is the TYP. value (refer to TIMING CHART 2).
MAX.
20
5.0
10.0
600
1
18.9
17.2
10.4
10.0
7.5
+500
Unit
V
lx•s
lx•s
lx•s
%
mV
mV
mW
k
V/lx•s
V/lx•s
V/lx•s
%
V
ns
%
nm
nm
nm
times
times
mV
mV
5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for UPD3794CY electronic component.


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Part NumberDescriptionMFRS
UPD3794CYThe function is 2700 PIXELS x 3 COLOR CCD LINEAR IMAGE SENSOR. NECNEC

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