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ADT7490ARQZ-R7 Datasheet(PDF) 9 Page - ON Semiconductor

Part # ADT7490ARQZ-R7
Description  dBCool Remote Thermal Monitor and Fan Controller with PECI Interface
PDF  75 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

ADT7490ARQZ-R7 Datasheet(HTML) 9 Page - ON Semiconductor

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ADT7490
http://onsemi.com
9
TYPICAL CHARACTERISTICS
Figure 11. Remote Temperature Error vs. Power
Supply Noise Frequency
Figure 12. Temperature Error vs. Common−Mode
Noise Frequency
Figure 13. Temperature Error vs. Differential Mode
Noise Frequency
Figure 14. Temperature Error vs. Capacitance
Between D+ and D−
Figure 15. TACH Accuracy vs. Supply Voltage
Figure 16. TACH Accuracy vs. Temperature
0.6
0.4
0.2
–0.4
–0.6
–1.2
100mV
250mV
0
100
200
300
400
500
600
POWER SUPPLY NOISE FREQUENCY (MHz)
0
–0.2
–0.8
–1.0
20
15
10
5
–10
0
100
200
300
400
500
600
COMMON−MODE NOISE FREQUENCY (MHz)
100mV
40mV
60mV
0
–5
160
100
80
60
40
20
0
100
200
300
400
500
600
DIFFERENTIAL MODE NOISE FREQUENCY (MHz)
60mV
40mV
100mV
140
120
0
−20
5
–10
–15
–20
–25
–30
–35
2
06
410
8
121416
1820
22
CAPACITANCE (nF)
DEV 3
DEV 2
DEV 1
0
–5
1.5
–1.0
–1.5
–2.0
3.0
3.1
3.2
3.3
3.4
3.5
3.6
VDD (V)
DEV 2
DEV 3
DEV 1
1.0
0.5
–0.5
0
8
–8
–40
–20
0
20
40
60
80
100
120
TEMPERATURE (5C)
DEV 1
DEV 3
DEV 2
6
4
2
0
–6
–4
–2



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