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PDF TH7841A Data sheet ( Hoja de datos )
| Número de pieza | TH7841A | |
| Descripción | Linear CCD Image Sensor (2048 Pixels) | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
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Features
• Pixel Size: 11 µm x 13 µm (13 µm Pitch)
• High Data Output Rate: 20 MHz
• High Responsivity and Resolution Over a Wide Spectral Range: from Blue (400 nm) up
to Near Infrared (1,100 nm)
• Low Dark Signal and Improved Uniformity
• Low Temporal Noise and High Dynamic Range: Over 6000/1
• Ease and Flexibility of Operation:
– Only Two External Basic Drive Clocks
– Choice of Internal or External Sampling and Reset
• 28-lead DIL Package
• Available with Standard Window or Antireflective Window in the Bandwidth 450 to
750 nm
Pin Identification
Pin Number
2
3
4
5
9
10
11
12
13
14, 15, 28
16
18
19
20
21
24
25
26
27
1, 6, 7, 8, 17, 22, 23
Symbol
VOSA
ΦECHA
SΦECHA
ΦRA
VDD
TP3
TP2
VT
TP1
VSS
VINH
ΦP
ΦT
VGS
ΦRB
SΦECHB
ΦECHB
VOSB
VDR
DNC
Designation
Video Output Signal A (Odd Channel)
A Sample-and-hold Gate Input Channel
A Internal Sampling Clock Output Channel
A External Reset Clock Input Channel
Output Amplifier Drain And Internal Logic Supply
Test Point 3
Test Point 2
Register and Photosensitive Zone DC Bias
Test Point 1
Substrate Bias (Ground)
Internal Sampling Clock Inhibiting Input (Dc Bias)
Transfer Clock
Register Transport Clock
Output Gate DC Bias
B External Reset Clock Output Channel
B Internal Sampling Clock Output Channel
B Sample-and-hold Gate Input Channel
Video Output Signal B (Even Channel)
Reset DC Bias
Do not Connect
DNC
VOSA
ΦECHA
SΦECHA
ΦRA
DNC
DNC
DNC
VDD
TP3
TP2
VT
TP1
VSS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28 VSS
27 VDR
26 VOSB
25 ΦECHB
24 SΦECHB
23 DNC
22 DNC
21 ΦRB
20 VGS
19 ΦT
18 ΦP
17 DNC
16 VINH
15 VSS
Linear CCD
Image Sensor
(2048 Pixels)
TH7841A
Rev. 1998A–IMAGE–05/02
1
1 page  
TH7841A
Table 4. Static and Dynamic Electrical Characteristics
Parameter
DC Output Level
Output Impedance
Register Single-stage Transfer Efficiency
Max. Data Output Frequency
Input Current on Pins: 3, 5, 10,11,12, 13,
18, 19, 20, 21, 25
Peak Current Sink on ΦT Clock
Peak Current Sink on ΦP Clock
Output Amplifier Drain Supply Current
Symbol
VREF
ZS
CTE
FS max.
Ie
(IΦT )P
(IΦP)P
IDD
Min
8
99.992
12
Values
Typ
10
500
99.998
20
500
125
17
Max
12
2
Static Power Dissipation
PD 255 300
Notes: 1. VOS = average video output voltage. Measurement excludes first and last pixels.
2. FS = 2FΦT . The minimum clock frequency is limited by the increase in dark signal.
Unit
V
Ω
%
MHz
µA
mA
mA
mA
mW
Note
VOS = 1V(1)
(2)
Ve = 15V
All other pins: 0V
trise = 15 ns
trise = 15 ns
VINH = 0V
VDD = 15V
VINH = 0V
VDD = 15V
Electro-optical
Performance
General measurement conditions: TC = 25°C; Ti = 1 ms; FΦT = 2.5 MHz.
Light source: tungsten filament lamp (2854 K) + BG 38 filter (2 mm thick) + F/3.5 aper-
ture. The filter limits the spectrum to 700 nm; in these conditions, 1 µJ/cm2 corresponds
to 3.5 lux.s.
Typical operating conditions; internal clock mode (see Table 2).
First and last pixels, as well as reference elements, are excluded from the specification.
Measurements taken on each output in succession.
1998A–IMAGE–05/02
5
5 Page 
TH7841A With Antireflective Window
Improvements in the bandwidth 450-750 nm:
• 5% increase in responsivity (typical value: 3.0 V/µJ/cm2).
• limitation of the parasitic reflections.
Package Drawing
TH7841A
2.16
Notes: 1. If an optical reference is needed, it is recommended to use the window face plane.
2. Variation of Z (azimuth) on the photosensitive area of a device is ≤ 0.1 mm
3. Variation of Y between the first and the last pixel of the linear area is ≤ ±130 µm.
Ordering Code
The ordering code is: TH7841 ACC-R
1998A–IMAGE–05/02
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet TH7841A.PDF ] | |
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