AD623
1600
1400
1200
20
1000
UNITS
800
600
10
400
200
0
5
30
25
I
BIAS
– nA
75
80
85
90
95 100 105 110 115 120 125 130
CMRR dB
15
0
–60
–40
–20
0
20
40
60
80
100
120
140
TEMPERATURE – C
Figure 8. Typical Distribution for CMRR (G = 1)
Figure 11. I
BIAS
vs. Temp
1k
1k
100
GAIN = 1
CURRENT NOISE – fA/ Hz
NOISE – nV/ Hz, RTI
100
GAIN = 10
GAIN = 100
GAIN = 1000
10
10
1
10
100
1k
FREQUENCY – Hz
10k
100k
1
10
100
FREQUENCY – Hz
1k
Figure 9. Voltage Noise Spectral Density vs. Frequency
Figure 12. Current Noise Spectral Density vs. Frequency
21
20
19
I
BIAS
– nA
19.5
19.0
18.5
18
17
16
15
I
BIAS
– nA
–5
–4
0
–2
CMV – Volts
2
4
18.0
17.5
17.0
16.5
–3
–2
–1
CMV – Volts
0
1
Figure 10. I
BIAS
vs. CMV, V
S
=
±
5 V
Figure 13. I
BIAS
vs. CMV, V
S
=
±
2.5 V
–6–
REV. C
AD [ ANALOG DEVICES ]
