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PDF TCD2561D Data sheet ( Hoja de datos )
| Número de pieza | TCD2561D | |
| Descripción | TOSHIBA CCD Linear Image Sensor CCD (charge coupled device) | |
| Fabricantes | Toshiba | |
| Logotipo |  |
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TCD2561D
TOSHIBA CCD Linear Image Sensor CCD (charge coupled device)
TCD2561D
The TCD2561D is a high sensitive and low dark current 5340
elements × 4 line CCD color image sensor which includes CCD
drive circuit, clamp circuit.
The sensor is designed for scanner. The device contains a row of
5340 elements × 4 line photodiodes which provide a 24 lines/mm
across a A4 size paper. The device is operated by 5 V pulse and
12 V power supply.
Features
· Number of image sensing elements: 5340 elements × 4 line
· Image sensing element size: 7 µm × 7 µm on 7 µm centers
Weight: 5.2 g (typ.)
· Photo sensing region: High sensitive PN photodiode
· Distanced between photodiode array: Color (28 µm, 4 lines), B/W-color (56 µm, 8 lines)
· Clock: 2 phase (5 V)
· Power supply: 12 V power supply voltage
· Internal circuit: Clamp circuit
· Package: 22 Pin CERDIP package
· Color filter: Red, green, blue
Pin Connections (top view)
Maximum Ratings (Note1)
OS3 1
SS 2
22 OS2
21 OS1
Characteristic
Symbol
Rating
Unit RS 3
Clock pulse voltage
VB
V CP 4
Shift pulse voltage
Reset pulse voltage
Clamp pulse voltage
VSH
VRS
VCP
-0.3~8.0
V
SW 2 5
V
V f1A3 6
Changeover switch voltage
VSW
V SS 7
Power supply voltage
VOD
-0.3~15
V f2A2 8
Operating temperature
Storage temperature
Topr
0~60
°C
f1A2 9
Tstg
-25~85
°C
Note 1: All voltage are with respect to SS terminals (ground).
SH3 10
SH2 11
20 OD
19 SS
18 SW1
17 f2A3
16 NC
15 f2A1
14 f1A1
13 SH0
12 SH1
1 2001-12-06
1 page  
TCD2561D
Note 10: Random noise is defined as the standard deviation (sigma) of the output level difference between two
adjacent effective pixels under no illumination (i.e. dark conditions) calculated by the following procedure.
video output
video output
200 ns
200 ns
DV
pixel (n)
pixel (n + 1)
Output waveform (effective pixels under dark condition)
(1) Two adjacent pixels (pixel n and n + 1) in one reading are fixed as measurement points.
(2) Each of the output level at video output periods averaged over 200 ns period to get V (n) and V (n + 1).
(3) V (n + 1) is subtracted from V (n) to get DV.
DV = V (n) - V (n + 1)
(4) The standard deviation of DV is calculated after procedure (2) and (3) are repeated 30 times (30
readings)
DV
=
1
30
30
iå=1
DVi
s=
1
30
30
å(|
i=1
DVi
| －DV )2
(5) Procedure (2), (3) and (4) are repeated 10 times to get sigma value.
(6) 10 sigma values are averaged.
s
=
1
10
10
ås
j=1
j
(7) I value calculated using the above procedure is observed 2 times larger than that measured
relative to the ground level. So we specify random noise as follows.
NDI =
1
2
s
5 2001-12-06
5 Page 
Timing Requirements (cont.)
Characteristics
Symbol
Min
Pulse timing of SH and f1
SH pulse rise time, fall time
SH pulse width
Pulse timing of SH and CP
Pulse timing of SH and CP
(line clamp mode)
Pulse timing of SH and SW
f1, f2 pulse rise time, fall time
RS pulse rise time, fall time
RS pulse width
Pulse timing of RS and CP
Pulse timing of f1A, f2A and CP
CP pulse rise time, fall time
CP pulse width
(Note 13)
Reference level settle time
(bit clamp mode)
Video data delay time
(Note 14)
Reference level settle time
(line clamp mode)
t1
t5
t2, t4
t3
t6
t7
t8
t9, t10
t11, t12
t13
t14
t15
t16, t17
t18
t19
t20
t21
120
800
0
3000
200
10
100
0
0
10 (20)
0
0
0
30 (3000)
¾
¾
¾
Note 12: Typ. is the case of fRS = 1.0 MHz.
Note 13: Line clamp Mode inside ( ).
Note 14: Load Resistance is 100 kW.
Note 15: Typical settle time to about 1% of final value.
Note 16: Typical settle time to about 1% of the peak.
Typ.
(Note 12) Max Unit
1000
1000
¾
ns
¾
50 ¾ ns
5000
¾ ns
500 ¾ ns
100 ¾ ns
500
50
20
80
40
20
20
80 (5000)
t3 - 100
¾
¾
¾
¾
¾
¾
¾
ns
ns
ns
ns
ns
ns
ns
ns
20 40 (Note 16) ns
20 40 (Note 15) ns
30 50 (Note 16) ns
Clamp Mode
Clamp Means
Bit Clamp
Line Clamp
CP Input Pulse
CP Pulse
“H” or SH
Changeover Switch Mode
Output Type
Color
B/W
SW1 Input Pulse
“H”
“L”
SW2 Input Pulse
“L”
“H”
TCD2561D
11 2001-12-06
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet TCD2561D.PDF ] | |
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