ADT7488A
http://onsemi.com
6
TYPICAL PERFORMANCE CHARACTERISTICS (Contd)
Figure 8. Remote Temperature Error vs. PCB
Resistance
Figure 9. Temperature Error vs. Common-Mode
Noise Frequency
Figure 10. Local Temperature Error vs. Power
Supply Noise
Figure 11. Remote Temperature Error vs.
Capacitance Between D1+ and D1
Figure 12. Temperature Error vs. Differential-Mode
Noise Frequency
Figure 13. Remote Temperature Error vs. Power
Supply Noise
D+ TO GND
DEV2_EXT2
DEV3_EXT1
DEV3_EXT2
DEV1_EXT1
DEV1_EXT2
DEV2_EXT1
DEV1_EXT1
DEV1_EXT2
DEV2_EXT1
DEV2_EXT2
DEV3_EXT1
DEV3_EXT2
D+ TO V
CC
RESISTANCE (MW)
0
40
20
40
60
80
100
35
30
25
20
15
10
5
0
5
10
15
NOISE FREQUENCY (Hz)
10k
5
100k
1M
10M
100M
1G
0
5
10
15
20
25
30
100 mV
60 mV
40 mV
POWER SUPPLY NOISE FREQUENCY (Hz)
10k
10
100k
1M
10M
100M
1G
5
0
10
15
20
125 mV
5
50 mV
CAPACITANCE (nF)
0
90
EXT2
10
20
30
40
50
80
70
60
50
40
30
20
10
0
EXT1
NOISE FREQUENCY (Hz)
10k
0
100k
1M
10M
100M
1G
1
40 mV
2
3
4
5
6
7
20 mV
10 mV
POWER SUPPLY NOISE FREQUENCY (Hz)
10k
3
100k
1M
10M
100M
1G
125 mV
50 mV
2
1
0
1
2
3
4
5