Datasheet

ADT7411
Rev. B | Page 11 of 36
15
TEMPERATURE ERROR (°C)
–10
–5
0
5
10
–15
–20
–25
01020
PCB LEAKAGE RESISTANCE (MΩ)
30 40 50 60 70 80 90 100
V
DD
= 3.3V
TEMPERATURE = 25°C
D+ TO GND
D+ TO V
CC
0
2882-012
Figure 13. External Temperature Error vs. PCB Leakage Resistance
10
TEMPERATURE ERROR (°C)
0
2
4
6
8
–2
–4
–6
NOISE FREQUENCY (Hz)
V
DD
= 3.3V
COMMON-MODE
VOLTAGE = 100mV
1 100 200 300 400 500 600
02882-013
Figure 14. External Temperature Error vs.
Com
mon-Mode Noise Frequency
V
DD
(V)
ERROR (LSB)
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
–3
–2
–1
0
1
2
3
OFFSET ERROR
GAIN ERROR
02882-014
Figure 15. ADC Offset Error and Gain Error vs. V
DD
TEMPERATURE ERROR (°C)
–60
–50
–40
–30
–20
–10
0
V
DD
= 3.3V
0 5 10 15 20 25
CAPACITANCE (nF)
30 35 40 45 50
0
2882-015
Figure 16. External Temperature Error vs. Capacitance Between D+ and D−
70
TEMPERATURE ERROR (°C)
20
30
40
50
60
10
0
–10
1 100 200
NOISE FREQUENCY (MHz)
300 400 500 600
V
DD
= 3.3V
DIFFERENTIAL-MODE
VOLTAGE = 100mV
0
2882-016
Figure 17. External Temperature Error vs. Differential Mode Noise Frequency
NOISE FREQUENCY (Hz)
±250mV
V
DD
= 3.3V
1 100 200 300 400 500 600
0.6
TEMPERATURE ERROR (°C)
–0.4
–0.2
0
0.2
0.4
–0.6
02882-017
Figure 18. Internal Temperature Error vs. Power Supply Noise Frequency