AD8421 AD [Analog Devices], AD8421 Datasheet - Page 16

• Manufacturer Part Number: AD8421
• Description: 3 nV/?Hz, Low Power
• Manufacturer: AD [Analog Devices]

AD8421
100
Figure 40. Gain Nonlinearity (G = 1000), R
–100
1k
10
100
–20
–40
–60
–80
Figure 42. 0.1 Hz to 10 Hz RTI Voltage Noise (G = 1, G = 1000)
1
Figure 41. RTI Voltage Noise Spectral Density vs. Frequency
80
60
40
20
1
0
–5
–4
10
–3
G = 1000, 40nV/DIV
–2
G = 1, 1µV/DIV
OUTPUT VOLTAGE (V)
FREQUENCY (Hz)
100
–1
R
L
= 600Ω
0
1k
1
L
= 600 Ω, V
2
GAIN = 1000
GAIN = 1
GAIN = 10
GAIN = 100
10k
GAIN = 1000
1s/DIV
3
OUT
4
= ±5 V
100k
5
Rev. 0 | Page 16 of 28
10k
100
1k
10
30
25
20
15
10
0.1
5pA/DIV
Figure 43. Current Noise Spectral Density vs. Frequency
5
0
10
Figure 45. Large Signal Frequency Response
Figure 44. 0.1 Hz to 10 Hz Current Noise
1
100
10
1k
FREQUENCY (Hz)
FREQUENCY (Hz)
100
10k
100k
1k
Data Sheet
1s/DIV
1M
10k
10M
100k