Datasheet

Data Sheet AD8237
Rev. 0 | Page 11 of 28
15
–15
–2.5 2.5
INPUT BIAS CURRENT (nA)
DIFFERENTIAL INPUT VOLTAGE (V)
–10
–5
0
5
10
–2.0 –1.5 –1.0 –0.5 0 0.5 1.0 1.5 2.0
I
B
+
I
B
–
V
S
= ±2.5V
V
CM
= 0V
REPRESENTATIVE SAMPLE
10289-016
Figure 16. Input Bias Current vs. Differential Input Voltage
140
120
100
80
60
40
20
0
0.1 10k1k100101
PSRR (dB)
FREQUENCY (Hz)
GAIN = 1
GAIN = 10
GAIN = 100
GAIN = 1000
BW LIMIT
10289-017
LOW BANDWIDTH MODE
V
S
= 5V
Figure 17. Positive PSRR vs. Frequency, RTI, Low Bandwidth Mode, V
S
= 5 V
140
120
100
80
60
40
20
0
–20
0.1 10k1k100101
NEGATIVE PSRR (dB)
FREQUENCY (Hz)
GAIN = 1
GAIN = 10
GAIN = 100
GAIN = 1000
10289-018
BW LIMIT
LOW BANDWIDTH MODE
V
S
= 5V
Figure 18. Negative PSRR vs. Frequency, RTI, Low Bandwidth Mode, V
S
= 5 V
140
120
100
80
60
40
20
0
0.1 10k1k100101
POSITIVE PSRR (dB)
FREQUENCY (Hz)
GAIN = 10
GAIN = 100
GAIN = 1000
BW LIMIT
10289-019
HIGH BANDWIDTH MODE
Figure 19. Positive PSRR vs. Frequency, RTI, High Bandwidth Mode
140
120
100
80
60
40
20
0
0.1 10k1k100101
NEGATIVE PSRR (dB)
FREQUENCY (Hz)
GAIN = 10
GAIN = 100
GAIN = 1000
10289-020
BW LIMIT
HIGH BANDWIDTH MODE
Figure 20. Negative PSRR vs. Frequency, RTI, High Bandwidth Mode
80
70
60
50
40
30
20
10
0
–10
–20
10 1M100k10k1k100
GAIN (dB)
FREQUENCY (Hz)
LOW BANDWIDTH MODE
V
S
= 5V
GAIN = 1
GAIN = 10
GAIN = 100
GAIN = 1000
10289-021
Figure 21. Gain vs. Frequency, Low Bandwidth Mode, V
S
= 5 V