AD795
1.00
1k
100
10
NOISE BANDWIDTH: 0.1Hz TO 10Hz
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0.60
1
1k
k
–15
–10
–5
0
5
10
15
10
100k
1M
10M
100M
1G
COMMON-MODE VOLTAGE (V)
SOURCE RESISTANCE (Ω)
Figure 10. Input Bias Current vs. Common-Mode Voltage
Figure 13. Input Voltage Noise vs. Source Resistance
–4
–5
10
10
10
10
10
10
50
SAMPLE SIZE = 344
+I
–I
IN
IN
–6
–7
–8
–9
40
30
f = 0.1Hz TO 10Hz
–10
–11
–12
–13
–14
10
10
10
10
10
20
10
0
0
1
2
3
–6 –5 –4 –3 –2 –1
0
1
2
3
4
5
6
INPUT VOLTAGE NOISE (µV p-p)
DIFFERENTIAL INPUT VOLTAGE (±V)
Figure 14. Typical Distribution of Input Voltage Noise
Figure 11. Input Bias Current vs. Differential Input Voltage
1k
100
10
15.0
100
f = 1kHz
10
12.5
10.0
7.5
VOLTAGE NOISE
1
CURRENT NOISE
0.1
0.01
1
5.0
1
10
100
1k
10k
100k
1M
10M
–60 –40 –20
0
20
40
60
80
100 120 140
FREQUENCY (Hz)
TEMPERATURE (°C)
Figure 15. Input Voltage Noise Spectral Density
Figure 12. Voltage and Current Noise Spectral Density vs. Temperature
Rev. C | Page 7 of 20
ADI [ ADI ]
