Datasheet

AD8429
Rev. 0 | Page 9 of 20
FREQUENCY (Hz)
1
0
20
40
60
80
100
120
140
160
CMRR (dB)
10 100 1k 10k 100k 1M
G = 1
G = 10
G = 100
G = 1k
BANDWIDTH
LIMITED
09730-110
Figure 10. CMRR vs. Frequency
FREQUENCY (Hz)
1 10 100 1k 10k 1M100k
0
20
40
60
80
100
120
140
CMRR (dB)
G = 1
G = 10
G = 100
G = 1k
BANDWIDTH
LIMITED
09730-111
Figure 11. CMRR vs. Frequency, 1 kΩ Source Imbalance
0
2
4
6
8
10
12
0 100 200 300 400 500 600 700
CHANGE IN INPUT OFFSET VOLTAGE (µV)
WARM-UP TIME (s)
09730-112
Figure 12. Change in Input Offset Voltage (V
OSI
) vs. Warm-Up Time
40
–20
–10
0
10
20
30
3.0
0
0.5
1.0
1.5
2.0
2.5
–45 –15 15 45 75 105 135–30 0 30 60 90 120
INPUT BIAS CURRENT (nA)
INPUT OFFSET CURRENT (nA)
TEMPERATURE (°C)
I
B
+
I
B
–
I
OS
09730-019
Figure 13. Input Bias Current and Input Offset Current vs. Temperature
40
30
20
–20
–30
–40
–50
–60
–40 –25 –10 5 20 35
TEMPERATURE (°C)
50 65 80 95 110 125
10
–10
CMRR (µV/V)
0
NORMALIZED AT 25°C
GAIN = 1
09730-114
Figure 14. CMRR vs. Temperature (G = 1), Normalized at 25°C
10.0
9.5
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
–50 –10 1301109070503010–30
SUPPLY CURRENT (mA)
TEMPERATURE (°C)
09730-022
Figure 15. Supply Current vs. Temperature (G = 1)