AD590MF datasheet(9/16 Pages) AD

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AD590

Rev. C | Page 9 of 16

Table 4. Thermal Resistance

θJC + θCA (°C/Watt)

τ (sec)1

Medium

H

F

H

F

Aluminum Block

30

10

0.6

0.1

Stirred Oil2

42

60

1.4

0.6

Moving Air3

With Heat Sink

45

–

5.0

–

Without Heat Sink

115

190

13.5

10.0

Still Air

With Heat Sink

191

–

108

–

Without Heat Sink

480

650

60

30

1τ is dependent upon velocity of oil; average of several velocities listed above.

2Air velocity @ 9 ft/sec.

3The time constant is defined as the time required to reach 63.2% of an

instantaneous temperature change.

The time response of the AD590 to a step change in

temperature is determined by the thermal resistances and the

thermal capacities of the chip, CCH, and the case, CC. CCH is

about 0.04 Ws/°C for the AD590. CC varies with the measured

medium, because it includes anything that is in direct thermal

contact with the case. The single time constant exponential

curve of Figure 13 is usually sufficient to describe the time

response, T (t). Table 4 shows the effective time constant, τ, for

several media.

TFINAL

TINITIAL

τ

4

τ

TIME

T(t) = TINITIAL + (TFINAL – TINITIAL) × (1 – e–t/τ)

Figure 13. Time Response Curve

Số phần tương tự - AD590MF

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Analog Devices	AD590MF	3Mb / 16P	Two-Twrminal IC Temperature Transducer REV. C
	AD590MF	346Kb / 16P	2-Terminal IC Temperature Transducer Rev. E
	AD590MF	423Kb / 16P	2-Terminal IC Temperature Transducer Rev. G
	AD590MF	411Kb / 16P	2-Terminal IC Temperature Transducer Rev. G
	AD590MF	417Kb / 16P	2-Terminal IC Temperature Transducer Rev. G

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Mô tả tương tự - AD590MF

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Sensitron	AD590	32Kb / 2P	TWO-TERMINAL TEMPERATURE TRANSDUCER
Analog Devices	AD590JCHIPS	3Mb / 16P	Two-Twrminal IC Temperature Transducer REV. C
	AD590JH	417Kb / 16P	2-Terminal IC Temperature Transducer Rev. G
	AD590JH883B	411Kb / 16P	2-Terminal IC Temperature Transducer Rev. G
	AD590KF	423Kb / 16P	2-Terminal IC Temperature Transducer Rev. G
	AD590JRZ	346Kb / 16P	2-Terminal IC Temperature Transducer Rev. E
	AD592	302Kb / 8P	Low Cost, Precision IC Temperature Transducer REV. A
	AD592ANZ	778Kb / 8P	Low Cost, Precision IC Temperature Transducer REV. A
	AD592BNZ	778Kb / 8P	LOW COST, PRECISION IC TEMPERATURE TRANSDUCER REV. A
	AD592	778Kb / 8P	LOW COST PRECISION IC TEMPERATURE TRANSDUCER REV. A

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