Datasheet

Data Sheet AD8476
Rev. B | Page 13 of 24
3.0
–3.0
–2.5
–2.0
–1.5
–1.0
–0.5
0
0.5
1.0
1.5
2.0
2.5
0 100908070605040302010
OUTPUT VOLTAGE (µV)
TIME (Seconds)
10195-039
Figure 35. 0.1 Hz to 10 Hz Voltage Noise
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
–140
100 1k 10k 100k 1M
HARMONIC DISTORTION (dBc)
FREQUENCY (Hz)
10195-040
HD2, R
L
= NO LOAD
HD3, R
L
= NO LOAD
HD2, R
L
= 2kΩ LOAD
HD3, R
L
= 2kΩ LOAD
Figure 36. Harmonic Distortion vs. Frequency at Various Loads
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
–140
100 1k
10k 100k 1M
HARMONIC DISTORTION (dBc)
FREQUENCY (Hz)
10195-042
HD2 (V
S
= ±5V, R
L
= 2kΩ)
HD3 (V
S
= ±5V, R
L
= 2kΩ)
HD2 (V
S
= +5V, R
L
= 2kΩ)
HD3 (V
S
= +5V, R
L
= 2kΩ)
Figure 37. Harmonic Distortion vs. Frequency at Various Supplies
140
130
120
110
100
90
80
70
60
50
40
30
20
1 10 100 1k 10k 100k
SPECTRAL NOISE DENSITY (nV/ Hz)
FREQUENCY (Hz)
10195-036
Figure 38. Voltage Noise Density vs. Frequency
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
–140
100 1k 10k 100k 1M
HARMONIC DISTORTION (dBc)
FREQUENCY (Hz)
10195-046
HD2 (V
OUT
= 4V p-p)
HD3 (V
OUT
= 4V p-p)
HD2 (V
OUT
= 2V p-p)
HD3 (V
OUT
= 2V p-p)
Figure 39. Harmonic Distortion vs. Frequency at Various V
OUT,dm
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
–140
0 1 2 3 4 5 6 7 8 9 10
HARMONIC DISTORTION (dBc)
V
OUT
(V p-p)
10195-047
HD2, V
S
= 5V
HD3, V
S
= 5V
Figure 40. Harmonic Distortion vs. V
OUT,dm
, f = 10 kHz