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參數(shù)資料
| 型號(hào)： | S7986-01 |
| 廠商： | Hamamatsu Photonics |
| 英文描述： | CCD area image sensor Back-thinned FT-CCD for low-light-level NTSC B/W TV application |
| 中文描述： | 防治荒漠化領(lǐng)域的圖像傳感器回到清淡紅外低的CCD微光NTSC制式/黑白電視應(yīng)用 |
| 文件頁(yè)數(shù)： | 6/7頁(yè) |
| 文件大?。?/td> | 913K |
| 代理商： | S7986-01 |
CCD area image sensor
S7986-01, S7987-01
I
Specifications of built-in TE-cooler (S7987-01)
Parameter
Internal resistance
Symbol
Rint
Condition
Ta=27 °C
Th *
12
=27 °C
T *
13
=
Tmax
Th *
12
=27 °C
T =
Tmax
I = Imax
Tc *
15
=Th *
12
=27 °C
I = Imax
-
Min.
-
Typ.
1.2
Max.
-
Unit
Maximum current *
11
Imax
-
-
3.0
A
Maximum voltage
Vmax
-
-
3.6
V
Maximum heat absorption *
14
Qmax
-
-
5.0
W
Maximum temperature at hot side
-
-
-
70
°C
CCD temperature
*11: If the current is greater than Imax, the heat absorption begins to decrease due to the Joule heat. It should be noted that
this value is not a damage threshold. To protect the thermoelectric cooler and maintain stable operation, the supply
current should be less than 60 % of this maximum current.
*12: Temperature at hot side of thermoelectric cooler.
*13:
T = Th - Tc
*14: This is a theoretical heat absorption level that offsets the temperature difference in the TE-cooler element when the
maximum current is supplied to the unit.
*15: Temperature at cool side of thermoelectric cooler.
-
Ta=25 °C
-10
0
°C
I
Specifications of built-in temperature sensor (S7987-01)
A chip thermistor is built in the same package with a CCD chip, and the
CCD chip temperature can be monitored with it. A relation between the
thermistor resistance and absolute temperature is expressed by the
following equation.
R1 = R2 × expB (1 / T1 – 1 / T2)
where R1 is the resistance at absolute temperature T1 (K)
R2 is the resistance at absolute temperature T2 (K)
B is so-called the B constant (K)
The characteristics of the thermistor used are as follows.
R (298 K)=10 k
B (298 K / 323 K)=3450 K.
(Typ. Ta=25
C)
10 k
220
240
260
TEMPERATURE (K)
R
280
300
100 k
1 M
KMPDB0111EA
0
1
2
3
V
C
C
4
7
6
5
-40
-30
4
3
2
CURRENT (A)
1
0
-20
-10
0
10
20
30
(Typ. Ta=25
C)
VOLTAGE vs. CURRENT
CCD TEMPERATURE vs. CURRENT
KMPDB0179EA
6
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