AD8230 查看數據表（PDF） - Analog Devices
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AD8230 Datasheet PDF : 16 Pages
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40
NORMALIZED FOR VREF = 0V
30
20
10
0
–10
–20
–30
–40
–1.5
–1.0
–0.5
0
0.5
1.0
1.5
VREF (V)
Figure 10. Offset Voltage (RTI) vs. Reference Voltage
130
CMR WITH NO SOURCE IMBALANCE
120
110
100
90
80
70
CMR WITH 1kΩ SOURCE IMBALANCE
60
50
40
10
100
1k
10k
FREQUENCY (Hz)
Figure 11. Common-Mode Rejection (CMR) vs. Frequency
130
128
126
124
122
120
±5V SUPPLY
118
±8V SUPPLY
116
114
112
110
0
2
4
6
8
10
12
SOURCE IMPEDANCE (kΩ)
Figure 12. Common-Mode Rejection (CMR) vs.
Source Impedance, 1.1 μF Across Input Pins
AD8230
10
–856mV, +8.2V
8
6
0V, +8.4V
VS = ±8V
+592mV, +8.2V
4
–812mV, +5V
0V, +5.5V +644mV, +5V
2
VS = ±5V
0
–2
–4
–652mV, –5V 0V, –5.5V
+800mV, –5V
–6
–8
–616mV, –8.2V
0V, –8.4V
–10
–1000 –800 –600 –400 –200 0 200
+840mV, –8.2V
400 600 800 1000
OUTPUT VOLTAGE (mV)
Figure 13. Input Common-Mode Voltage Range vs. Output Voltage, G = 2
10
–7.9V, +8V
8
VS = ±8V
+7.9V, +8V
6
–4.9V, +5V
+4.88V, +5V
4
VS = ±5V
2
0
–2
–4
–6
–4.9V, –5V
+4.88V, –5V
–8
–7.9V, –8V
–10
–10 –8 –6
–4 –2 0 2 4
OUTPUT VOLTAGE (V)
+7.9V, –8V
6 8 10
Figure 14. Input Common-Mode Voltage Range vs. Output Voltage, G = 10
10
–7.9V, +8V
8
6
4
VS = ±8V
–4.8V, +5.5V +4.8V, +5.5V
+7.9V, +8V
2
VS = ±5V
0
–2
–4
–4.8V, –5.5V +4.8V, –5.5V
–6
–8
–7.9V, –8V
–10
–10 –8 –6
–4 –2 0 2 4
OUTPUT VOLTAGE (V)
+7.9V, –8V
6 8 10
Figure 15. Input Common-Mode Voltage Range vs. Output Voltage, G = 100
Rev. B | Page 7 of 16
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