Datasheet

Data Sheet AD8422
Rev. 0 | Page 13 of 24
0
20
40
60
80
100
120
140
160
180
0.1 1 10 100 1k 10k 100k
POSITIVE PSRR (dB)
FREQUENCY (Hz)
GAIN = 1
GAIN = 10
GAIN = 100
GAIN = 1000
11197-021
Figure 22. Positive PSRR vs. Frequency
0
20
40
60
80
100
120
140
160
180
0.1 1 10 100 1k 10k 100k
NEGATIVE PSRR (dB)
FREQUENCY (Hz)
GAIN = 1
GAIN = 10
GAIN = 100
GAIN = 1000
11197-022
Figure 23. Negative PSRR vs. Frequency
–20
–10
0
10
20
30
40
50
60
70
10 100 1k 10k 100k 1M 10M
GAIN (dB)
FREQUENCY (Hz)
GAIN = 1
GAIN = 10
GAIN = 100
GAIN = 1000
11197-023
Figure 24. Gain vs. Frequency
40
60
80
100
120
140
160
180
CMRR (dB)
FREQUENCY (Hz)
GAIN = 1
GAIN = 10
GAIN = 100
GAIN = 1000
11197-024
0.1 1 10 100 1k 10k 100k
Figure 25. CMRR vs. Frequency
40
60
80
100
120
140
160
180
CMRR (dB)
FREQUENCY (Hz)
GAIN = 1
GAIN = 10
GAIN = 100
GAIN = 1000
11197-025
0.1 1 10 100 1k 10k 100k
Figure 26. CMRR vs. Frequency, 1 kΩ Source Imbalance
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
0.5
0 10 20 30 40 50 60 70 80 90 100
CHANGE IN INPUT OFFSET VOLTAGE (µV)
TIME (s)
11197-026
Figure 27. Change in Input Offset Voltage (V
OSI
) vs. Warm-Up Time