ADT7481(2014) 데이터 시트보기 (PDF) - ON Semiconductor

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ADT7481
(Rev.:2014)

Dual Channel Temperature Sensor and Overtemperature Alarm

ON Semiconductor 

ADT7481

TYPICAL PERFORMANCE CHARACTERISTICS

3.5

DEV 1 DEV 8 DEV 15

3.0

DEV 2 DEV 9 DEV 16

DEV 3 DEV 10 MEAN

2.5

DEV 4 DEV 11 HIGH 4S

DEV 5 DEV 12 LOW 4S

2.0

DEV 6

DEV 7

DEV 13

DEV 14

1.5

1.0

0.5

0

−0.5

−1.0

−50

0

50

100

150

TEMPERATURE (°C)

Figure 3. Local Temperature Error vs. Temperature

3.5

DEV 1 DEV 8 DEV 15

3.0

DEV 2 DEV 9 DEV 16

DEV 3 DEV 10 MEAN

2.5

DEV 4

DEV 5

DEV 11 HIGH 4S

DEV 12 LOW 4S

DEV 6 DEV 13

2.0

DEV 7 DEV 14

1.5

1.0

0.5

0

−0.5

−1.0

−50

0

50

100

150

TEMPERATURE (°C)

Figure 5. Remote 2 Temperature Error

vs. Temperature

0

−2

−4

−6

−8

−10

−12

−14

−16

−18

0

DEV 2

DEV 4

DEV 3

5

10

15

20

25

CAPACITANCE (nF)

Figure 7. Temperature Error vs. D+/D− Capacitance

3.5

DEV 1 DEV 8 DEV 15

3.0

DEV 2 DEV 9 DEV 16

DEV 3 DEV 10 HIGH 4S

2.5

DEV 4 DEV 11 LOW 4S

DEV 5 DEV 12

2.0

DEV 6 DEV 13

DEV 7 DEV 14

1.5

1.0

0.5

0

−0.5

−1.0

−50

0

50

100

150

TEMPERATURE (°C)

Figure 4. Remote 1 Temperature Error

vs. Temperature

10

5

D+ To GND

0

−5

−10

D+ To VCC

−15

−20

−25

1

10

100

LEAKAGE RESISTANCE (MW)

Figure 6. Temperature Error vs. D+/D− Leakage

Resistance

1000

900

800

700

600

500

400

300

200

100

0

0.01

DEV 2BC

DEV 4BC

DEV 3BC

0.1

1

10

100

CONVERTION RATE (Hz)

Figure 8. Operating Supply Current

vs. Conversion Rate

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