Datasheet

AD8421 Data Sheet
Rev. 0 | Page 16 of 28
100
80
60
–100
–80
–60
–40
–20
0
20
40
–5–4–3–2–1012345
NONLINEARITY (ppm)
OUTPUT VOLTAGE (V)
GAIN = 1000
R
L
= 600Ω
10123-073
Figure 40. Gain Nonlinearity (G = 1000), R
L
= 600 Ω, V
OUT
= ±5 V
VOLTAGE NOISE SPECTRAL DENSITY (nV/√Hz)
1
100
10
1k
1 10 100 1k 10k 100k
FREQUENCY (Hz)
GAIN = 1
GAIN = 10
GAIN = 100
GAIN = 1000
10123-037
Figure 41. RTI Voltage Noise Spectral Density vs. Frequency
1s/DIV
G = 1000, 40nV/DIV
G = 1, 1µV/DIV
10123-038
Figure 42. 0.1 Hz to 10 Hz RTI Voltage Noise (G = 1, G = 1000)
10k
1k
100
10
0.1 1 10 100 1k 10k 100k
CURRENT NOISE (fA/√Hz)
FREQUENCY (Hz)
10123-039
Figure 43. Current Noise Spectral Density vs. Frequency
1s/DIV5pA/DIV
10123-040
Figure 44. 0.1 Hz to 10 Hz Current Noise
30
25
0
5
10
15
20
10 100 1k 10k 100k 1M 10M
OUTPUT VOLTAGE (V p-p)
FREQUENCY (Hz)
10123-045
Figure 45. Large Signal Frequency Response
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.