ADT7481 datasheet(5/20 Pages) ONSEMI

Part #	ADT7481

Description	Dual Channel Temperature Sensor and Overtemperature Alarm

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ADT7481

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TYPICAL PERFORMANCE CHARACTERISTICS

Figure 3. Local Temperature Error vs. Temperature

Figure 4. Remote 1 Temperature Error

vs. Temperature

Figure 5. Remote 2 Temperature Error

vs. Temperature

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

Resistance

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

Figure 8. Operating Supply Current

vs. Conversion Rate

DEV 1

DEV 2

DEV 3

DEV 4

DEV 5

DEV 6

DEV 7

DEV 8

DEV 9

DEV 10

DEV 11

DEV 12

DEV 13

DEV 14

DEV 15

DEV 16

MEAN

HIGH 4S

LOW 4S

DEV 1

DEV 2

DEV 3

DEV 4

DEV 5

DEV 6

DEV 7

DEV 8

DEV 9

DEV 10

DEV 11

DEV 12

DEV 13

DEV 14

DEV 15

DEV 16

HIGH 4S

LOW 4S

DEV 1

DEV 2

DEV 3

DEV 4

DEV 5

DEV 6

DEV 7

DEV 8

DEV 9

DEV 10

DEV 11

DEV 12

DEV 13

DEV 14

DEV 15

DEV 16

MEAN

HIGH 4S

LOW 4S

TEMPERATURE (

°C)

−50

−1.0

0

50

100

150

−0.5

0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

TEMPERATURE (

°C)

−50

−1.0

0

50

100

150

−0.5

0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

TEMPERATURE (

°C)

−50

−1.0

0

50

100

150

−0.5

0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

LEAKAGE RESISTANCE (M

W)

1

−25

D+ To VCC

D+ To GND

10

100

−20

−15

−10

5

10

−5

0

CAPACITANCE (nF)

0

−18

5

10

152025

−16

−14

−12

−10

−8

−6

−4

−2

0

DEV 2

DEV 4

DEV 3

CONVERTION RATE (Hz)

0.01

0

0.1

1

10

100

200

300

400

500

600

700

1000

900

800

DEV 4BC

DEV 3BC

DEV 2BC

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