AD8220
10n
1n
100p
10p
1p
0.1p
IBIAS
IOS
–50 –25
0
25
50
75 100 125 150
TEMPERATURE (°C)
Figure 17. Input Bias Current and Offset Current Temperature,
VS = ±15 V, VREF = 0 V
10n
1n
100p
10p
1p
0.1p
IBIAS
IOS
–50 –25
0
25
50
75 100 125 150
TEMPERATURE (°C)
Figure 18. Input Bias Current and Offset Current vs. Temperature,
VS = +5 V, VREF = 2.5 V
160
140 GAIN = 1000
GAIN = 100
120
GAIN = 10
100
GAIN = 1
80
BANDWIDTH
LIMITED
60
40
10
100
1k
10k
100k
FREQUENCY (Hz)
Figure 19. CMRR vs. Frequency
160
140
GAIN = 1000
120
100 GAIN = 100
80
GAIN = 10
GAIN = 1
BANDWIDTH
LIMITED
60
40
1
10
100
1k
10k
100k
FREQUENCY (Hz)
Figure 20. CMRR vs. Frequency, 1 kΩ Source Imbalance
10
8
6
4
2
0
–2
–4
–6
–8
–10
–50 –30 –10 10 30 50 70 90 110 130
TEMPERATURE (°C)
Figure 21. Change in CMRR vs. Temperature, G = 1
70
60
GAIN = 1000
50
40
GAIN = 100
30
20
GAIN = 10
10
0
GAIN = 1
–10
–20
–30
–40
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
Figure 22. Gain vs. Frequency
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