Preliminary Technical Data
1k
AD8223
CURRENT NOISE (fA/ Hz)
G = 1000
100
G=5
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1
10
100
FREQUENCY (Hz)
1k
0.5µV/DIV
1s/DIV
Figure 8. Current Noise Spectral Density vs. Frequency
18
16
14
V
S
= ±12V
12
CMRR (dB)
I
BIAS
(nA)
Figure 11. 0.1 Hz to 10 Hz RTI and RTO Voltage Noise
120
G = 1000
110
V
S
= ±5V
V
S
= ±2.5V
100
90
80
70
60
50
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G=5
G = 100
G = 10
10
8
6
4
2
0
–12
06925-054
10
40
30
1
10
100
1k
10k
FREQUENCY (Hz)
–10
–8
–6
–4
–2
0
2
4
6
8
10
100k
CMV (V)
Figure 9. I
BIAS
vs. CMV
120
110
0.71pA/DIV
1s/DIV
Figure 12. CMRR vs. Frequency, ±12 V
S
G = 1000
100
G=5
90
CMRR (dB)
G = 100
G = 10
80
70
60
50
40
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30
1
10
100
1k
10k
FREQUENCY (Hz)
100k
Figure 10. 0.1 Hz to 10 Hz Current Noise (0.71 pA/Div)
Figure 13. CMRR vs. Frequency, V
S
= +5 V
Rev.
PrA
| Page 9 of 20
06925-055
AD [ ANALOG DEVICES ]
