ADM1021A
TYPICAL PERFORMANCE CHARACTERISTICS
20
15
10
5
4
5
0
? 5
? 10
? 15
? 20
? 25
D+ To GND
D+ To V DD
3
2
1
250 mV p-p REMOTE
100 mV p-p REMOTE
? 30
1
10
100
0
100
1k
10k
100k
1M
10M
100M
LEAKAGE RESISTANCE (M W )
Figure 3. Temperature Error vs. PC Board Track
Resistance
FREQUENCY (Hz)
Figure 4. Temperature Error vs. Power Supply
Noise Frequency
9
8
7
6
5
4
100 mV p-p
3
2
1
0
UPPER SPEC LEVEL
DEV10
3
2
1
0
1
10
100
50 mV p-p
1k 10k 100k
25 mV p-p
1M 10M 100M
? 1
? 2
? 3
50
60
70
LOWER SPEC LEVEL
80 90 100 110
120
FREQUENCY (Hz)
Figure 5. Temperature Error vs. Common-mode
Noise Frequency
14
12
10
8
6
TEMPERATURE ( ? C)
Figure 6. Temperature Error vs. Pentium ) III
Temperature
70
60
50
40
4
2
30
20
V DD = 3.3 V
0
? 2
2
4
6
8
10 12 14 16 18 20 22 24
10
0
1
5
10
25
50
V DD = 5 V
75 100 250 500 750 1000
CAPACITANCE (nF)
Figure 7. Temperature Error vs. Capacitance
between D+ and D ?
SCLK FREQUENCY (kHz)
Figure 8. Standby Supply Current vs. Clock
Frequency
http://onsemi.com
5
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