AD8226 查看數據表（PDF） - Analog Devices
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AD8226 Datasheet PDF : 28 Pages
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Data Sheet
160
GAIN = 1000
140 GAIN = 100
120 GAIN = 10
100 GAIN = 1
BANDWIDTH
LIMITED
80
60
40
20
0
0.1
1
10
100
1k
FREQUENCY (Hz)
10k
100k
Figure 27. CMRR vs. Frequency, RTI
120
GAIN = 1000
100
GAIN = 1
80
GAIN = 100
GAIN = 10
BANDWIDTH
LIMITED
60
40
20
0
0.1
1
10
100
1k
FREQUENCY (Hz)
10k
100k
Figure 28. CMRR vs. Frequency, RTI, 1 kΩ Source Imbalance
3.0
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
0
10 20 30 40 50 60 70 80 90 100 110 120
WARM-UP TIME (Seconds)
Figure 29. Change in Input Offset Voltage vs. Warm-Up Time
AD8226
35
150
–IN BIAS CURRENT
+IN BIAS CURRENT
VS = ±15V
VREF = 0V
30
OFFSET CURRENT
125
25
100
20
75
15
50
10
25
5
–45 –30 –15 0
15 30 45 60 75
TEMPERATURE (°C)
0
90 105 120 135
Figure 30. Input Bias Current and Input Offset Current vs. Temperature
20
10
0
–0.6
ppm/°C
–10
–20
–0.3ppm/°C
–30
–0.4ppm/°C
–40
–50
–60
NORMALIZED AT 25°C
–70
–60 –40 –20 0 20 40 60 80
TEMPERATURE (°C)
100 120 140
Figure 31. Gain Error vs. Temperature, G = 1
20
10
–0.35ppm/°C
0
–10
0.2ppm/°C
–20
–30
REPRESENTATIVE DATA
NORMALIZED AT 25°C
–40
–50 –30 –10 10 30 50 70
TEMPERATURE (°C)
90 110 130
Figure 32. CMRR vs. Temperature, G = 1
Rev. C | Page 13 of 28
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