S7987-01

更新时间： 2024-02-02 09:52:33

品牌	Logo	应用领域
HAMAMATSU		传感器换能器图像传感器电视
页数	文件大小	规格书
7页	909K
描述
CCD area image sensor Back-thinned FT-CCD for low-light-level NTSC B/W TV application

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技术参数
数据手册

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S7987-01 技术参数

生命周期：	Active	Reach Compliance Code：	unknown
风险等级：	5.76	Base Number Matches：	1

S7987-01 数据手册

CCD area image sensor S7986-01, S7987-01

Specifications of built-in TE-cooler (S7987-01)

ꢀꢀ

Parameter

Internal resistance

Symbol

Rint

Condition

Ta=27 °C

Min.

Typ.

1.2

Max.

Unit

Ω

Th *¹²=27 °C

Maximum current *¹¹

Imax

Vmax

Qmax

3.0

3.6

5.0

∆T *¹³=∆Tmax

Th *¹²=27 °C

Maximum voltage

∆T = ∆Tmax

I = Imax

Tc *¹⁵=Th *¹²=27 °C

Maximum heat absorption *¹⁴

I = Imax

Maximum temperature at hot side

CCD temperature

°C

Ta=25 °C

-10

*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.

(Typ. Ta=25 ˚C)

VOLTAGE vs. CURRENT

CCD TEMPERATURE vs. CURRENT

-10

-20

-30

-40

CURRENT (A)

KMPDB0179EA

(Typ. Ta=25 ˚C)

Specifications of built-in temperature sensor (S7987-01)

ꢀ

1 MΩ

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)

100 kΩ

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 kΩ

B (298 K / 323 K)=3450 K.

10 kΩ

220

240

260

280

300

TEMPERATURE (K)

KMPDB0111EA

1...3 4 567

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