AD623
120
110
x1000
100
90
80
70
60
50
40
30
x10
x1
x100
1
100k
10
100
1k
10k
FREQUENCY – Hz
Figure 14. 0.1 Hz to 10 Hz Current Noise (0.71 pA/Div)
Figure 17. CMR vs. Frequency, ±5 VS
70
60
50
40
30
20
10
RTO
RTI
0
–10
–20
–30
100
1k
10k
100k
1M
FREQUENCY – Hz
Figure 15. 0.1 Hz to 10 Hz RTI Voltage Noise
Figure 18. Gain vs. Frequency (VS = +5 V, 0 V), VREF = 2.5 V
(1 Div = 1 µV p-p)
5
4
120
110
V
= ؎5
S
3
2
1
0
100
90
x1000
V
= ؎2.5
S
x100
80
70
60
50
40
30
–1
x10
–2
–3
–4
–5
x1
1
100k
10
100
1k
10k
–6
–5 –4
–3
–2
–1
0
1
2
3
4
5
FREQUENCY – Hz
COMMON MODE INPUT – Volts
Figure 19. Maximum Output Voltage vs. Common Mode,
G = 1, RL = 100 kΩ
Figure 16. CMR vs. Frequency, +5, 0 VS, VREF = 2.5 V
REV. C
–7–
ADI [ ADI ]
