Datasheet

AD8227
Rev. 0 | Page 13
160
140
120
100
80
60
40
20
0
0.1 1 10 100 1k 10k 100k
CMRR (dB)
9-027
of 24
FREQUENCY (Hz)
0775
G = 1000
G = 100
G = 10
G = 5
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)
07759-030
V
S
= ±15V
V
REF
= 0V
–IN BIAS CURRENT
+IN BIAS CURRENT
OFFSET CURRENT
Figure 27. CMRR vs. Frequency, RTI
160
140
120
100
80
60
40
CMRR (dB)
Figure 30. Input Bias Current and Offset Current vs. Temperature
20
0
0.1 1 10 100 1k 10k 100k
759-028
FREQUENCY (Hz)
07
G = 1000
G = 100
G = 10
G = 5
Figure 28. CMRR vs. Frequency, RTI, 1 kΩ Source Imbalance
0.3
0.2
0.1
0
–0.1
–0.2
CHANGE IN INPUT OFFSET (µV)
300
200
100
0
–100
–200
–300
–40
–20
0 20 40 60 80 100 120
TEMPERATURE (°C)
GAIN ERROR (µV/V)
07759-031
Figure 31. Gain Error vs. Temperature, G = 5
10
8
6
4
2
0
–2
–4
–6
–8
CMRR (µV/V)
–10
–40 –20 0 20 40 60 80 100 120
TEMPERATURE (°C)
07759-032
Figure 32. CMRR vs. Temperature, G = 5
–0.3
0 10 20 30 40 50 60 70 80 90 100 110 120
WARM-UP TIME (s)
07759-029
Figure 29. Change in Input Offset Voltage vs. Warm-Up Time