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ADM1021 Datasheet(PDF) 4 Page - Analog Devices

Part No. ADM1021
Description  Low Cost Microprocessor System Temperature Monitor
Download  12 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADM1021 Datasheet(HTML) 4 Page - Analog Devices

 
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ADM1021–Typical Performance Characteristics
–4–
REV. 0
LEAKAGE RESISTANCE – M
30
20
–60
1
100
3.3
10
30
–10
–30
–40
–50
10
0
–20
DXP TO GND
DXP TO VCC (5V)
Figure 2. Temperature Error vs. PC Board Track Resistance
FREQUENCY – Hz
6
–1
50
50M
500
5k
50k
500k
5M
5
4
3
1
0
2
250mV p-p REMOTE
100mV p-p REMOTE
Figure 3. Temperature Error vs. Power Supply Noise
Frequency
FREQUENCY – Hz
–5
50
50M
500
5k
50k
500k
5M
25
20
15
5
0
10
25mV p-p
50mV p-p
100mV p-p
Figure 4. Temperature Error vs. Common-Mode Noise
Frequency
MEASURED TEMPERATURE
0
110
10
20
30
40
50
120
20
30
0
10
40
50
60
70
80
90
100
60
70
80
90
100
Figure 5. Pentium II Temperature Measurement vs.
ADM1021 Reading
DXP-DXN CAPACITANCE – nF
25
20
–5
110
2.2
3.2
4.7
7
15
10
5
0
Figure 6. Temperature Error vs. Capacitance Between
D+ and D–
SCLK FREQUENCY – Hz
80
30
0
0
1M
1k
5k
10k
25k
50k
75k 100k 250k 500k 750k
70
40
20
10
60
50
VCC = +5V
VCC = +3V
Figure 7. Standby Supply Current vs. Clock Frequency


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