Datasheet

AD8253 Data Sheet
Rev. B | Page 10 of 24
20
10
0
–10
–20
–30
–40
–50
–60
12.0
I
B
+
10.5
9.0
7.5
6.0
4.5
3.0
1.5
0
–15 –10 –5 0 5 10 15
COMMON-MODE VOLTAGE (V)
INPUT BIAS CURRENT (nA)
INPUT OFFSET CURRENT (nA)
06983-018
I
B
–
I
OS
Figure 18. Input Bias Current and Offset Current vs. Common-Mode Voltage
30
25
20
15
10
5
0
–10
–5
–60 –40 –20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
INPUT BIAS CURRENT AND
OFFSET CURRENT (nA)
06983-019
I
B
+
I
B
–
I
OS
Figure 19. Input Bias Current and Offset Current vs. Temperature
0
120
100
80
60
40
20
10
06983-020
FREQUENCY (Hz)
CMRR (dB)
100 1k 10k 100k 1M
G = 1
G = 1000
G = 10
G = 100
Figure 20. CMRR vs. Frequency
0
120
100
80
60
40
20
10
06983-021
FREQUENCY (Hz)
CMRR (dB)
100 1k 10k 100k 1M
G = 1
G = 1000
G = 10
G = 100
Figure 21. CMRR vs. Frequency, 1 kΩ Source Imbalance
–15
–50 130
06983-022
TEMPERATURE (°C)
CMRR (µV/V)
10
15
5
0
–5
–10
–30–101030507090110
Figure 22. CMRR vs. Temperature, G = 1
80
70
60
50
40
30
20
10
0
–10
–20
1k 10k 100k 1M 10M 100M
FREQUENCY (Hz)
GAIN (dB)
006983-023
G = 1000
G = 100
G = 10
G = 1
Figure 23. Gain vs. Frequency