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