AD623
120
110
100
90
CH1 10mV
A
1s
100mV VERT
×1000
×100
80
70
60
×10
50
×1
40
30
1
10
100
1k
10k
100k
FREQUENCY (Hz)
Figure 15. 0.1 Hz to 10 Hz Current Noise (0.71 pA/DIV)
Figure 18. CMR vs. Frequency, 5 VS
70
60
1µV/DIV
1s
G = 1000
50
G = 100
G = 10
G = 1
40
30
20
10
0
–10
–20
–30
100
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 19. Gain vs. Frequency (VS = 5 V, 0 V), VREF = 2.5 V
Figure 16. 0.1 Hz to 10 Hz RTI Voltage Noise (1 DIV = 1 μV p-p)
120
110
5
4
3
V
= ±5V
S
100
×1000
2
90
V
= ±2.5V
S
×100
1
80
0
70
–1
–2
–3
–4
–5
×10
60
50
×1
40
30
1
10
100
1k
10k
100k
–6
–5
–4
–3
–2
–1
0
1
2
3
4
5
FREQUENCY (Hz)
COMMON-MODE INPUT (V)
Figure 20. Maximum Output Voltage vs. Common-Mode Input, G = 1, RL = 100 kΩ
Figure 17. CMR vs. Frequency, = 5 VS, 0 VS, VREF = 2.5 V
Rev. D | Page 10 of 24
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