AD8237 查看數據表（PDF） - Analog Devices
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AD8237 Datasheet PDF : 28 Pages
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Data Sheet
15
10
IB–
5
VS = ±2.5V
VCM = 0V
0
–5
IB+
–10
REPRESENTATIVE SAMPLE
–15
–2.5 –2.0 –1.5 –1.0 –0.5 0
0.5 1.0 1.5 2.0 2.5
DIFFERENTIAL INPUT VOLTAGE (V)
Figure 16. Input Bias Current vs. Differential Input Voltage
140
LOW BANDWIDTH MODE
VS = 5V
120
100
80
60
40
BW LIMIT
GAIN = 1
20
GAIN = 10
GAIN = 100
GAIN = 1000
0
0.1
1
10
100
1k
10k
FREQUENCY (Hz)
Figure 17. Positive PSRR vs. Frequency, RTI, Low Bandwidth Mode, VS = 5 V
140
LOW BANDWIDTH MODE
VS = 5V
120
100
80
60
40
BW LIMIT
20
GAIN = 1
0
GAIN = 10
GAIN = 100
GAIN = 1000
–20
0.1
1
10
100
1k
10k
FREQUENCY (Hz)
Figure 18. Negative PSRR vs. Frequency, RTI, Low Bandwidth Mode, VS = 5 V
AD8237
140
HIGH BANDWIDTH MODE
120
100
80
60
BW LIMIT
40
20
GAIN = 10
GAIN = 100
GAIN = 1000
0
0.1
1
10
100
1k
10k
FREQUENCY (Hz)
Figure 19. Positive PSRR vs. Frequency, RTI, High Bandwidth Mode
140
HIGH BANDWIDTH MODE
120
100
80
60
BW LIMIT
40
20
GAIN = 10
GAIN = 100
GAIN = 1000
0
0.1
1
10
100
1k
10k
FREQUENCY (Hz)
Figure 20. Negative PSRR vs. Frequency, RTI, High Bandwidth Mode
80
70
GAIN = 1000
60
LOW BANDWIDTH MODE
VS = 5V
50
40 GAIN = 100
30
GAIN = 10
20
10
GAIN = 1
0
–10
–20
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 21. Gain vs. Frequency, Low Bandwidth Mode, VS = 5 V
Rev. 0 | Page 11 of 28
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