Datasheet

Data Sheet AD8226
Rev. C | Page 13 of 28
160
140
120
100
80
60
40
20
0
0.1 1 10 100 1k 10k 100k
FREQUENCY (Hz)
CMRR (dB)
07036-017
GAIN = 1000
GAIN = 100
GAIN = 10
GAIN = 1
BANDWIDTH
LIMITED
Figure 27. CMRR vs. Frequency, RTI
120
100
80
60
40
20
0
0.1 1 10 100 1k 10k 100k
FREQUENCY (Hz)
CMRR (dB)
07036-018
GAIN = 1000
GAIN = 1
GAIN = 100
GAIN = 10
BANDWIDTH
LIMITED
Figure 28. CMRR vs. Frequency, RTI, 1 kΩ Source Imbalance
3.0
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
0 102030405060708090100110120
WARM-UP TIME (Seconds)
CHANGE IN INPUT OFFSET VOLTAGE (µV)
07036-011
Figure 29. Change in Input Offset Voltage vs. Warm-Up Time
35
30
25
20
15
10
150
125
100
75
50
25
0
5
–45 –30 –15 0 15 30 45 60 75 90 105 120 135
TEMPERATURE (°C)
INPUT BIAS CURRENT (nA)
INPUT OFFSET CURRENT (pA)
07036-012
V
S
= ±15V
V
REF
= 0V
–IN BIAS CURRENT
+IN BIAS CURRENT
OFFSET CURRENT
Figure 30. Input Bias Current and Input Offset Current vs. Temperature
20
10
0
–10
–20
–30
–40
–50
–60
–70
–60 –40 –20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
GAIN ERROR (µV/V)
07036-051
NORMALIZED AT 25°C
–0.4ppm/°C
–0.3ppm/°C
–0.6
ppm/°C
Figure 31. Gain Error vs. Temperature, G = 1
20
10
0
–10
–20
–30
–40
–50 –30 –10 10 30 50 70 90 110 130
TEMPERATURE (°C)
CMRR (µV/V)
07036-052
REPRESENTATIVE DATA
NORMALIZED AT 25°C
0.2ppm/°C
–0.35ppm/°C
Figure 32. CMRR vs. Temperature, G = 1