AD8222 查看數據表（PDF） - Analog Devices
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AD8222 Datasheet PDF : 24 Pages
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Data Sheet
200
150
100
VS = ±15V
50
0
VS = ±5V
–50
–100
–150
–200
–15
–10
–5
0
5
10
15
COMMON-MODE VOLTAGE (V)
Figure 10. IBIAS vs. Common-Mode Voltage
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
2
4
6
8
10
WARM-UP TIME (Minutes)
Figure 11. Change in Input Offset Voltage vs. Warm-Up Time
1000
800
600
400
200
0
–200
–400
–600
–800
–1000
–55 –35 –15
NEGATIVE
POSITIVE
OFFSET CURRENT
5
25 45 65
TEMPERATURE (°C)
85 105 125
Figure 12. Input Bias Current and Offset Current vs. Temperature
AD8222
160
150
140
130
BANDWIDTH
LIMITED
120
110
GAIN = 1000
100
90
80
70
GAIN = 100
60
50
GAIN = 10
40
30
GAIN = 1
20
10
0
0.1
1
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 13. Positive PSRR vs. Frequency, RTI (G = 1 to 1000)
160
150
140
130
120
GAIN = 1000
110
100
GAIN = 100
90
80
70
60
50
40
30
GAIN = 10
20
10
GAIN = 1
0
0.1
1
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 14. Negative PSRR vs. Frequency, RTI (G = 1 to 1000)
10k
1k
GAIN = 1
100 GAIN = 10
GAIN = 100
10
GAIN = 1000
1
1
10
100
1k
10k 100k
1M
10M
SOURCE RESISTANCE (Ω)
Figure 15. Total Drift vs. Source Resistance
Rev. B | Page 9 of 24
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