Datasheet

AD8273
Rev. B | Page 11 of 16
1
0.1
0.01
0.001
0.0001
0
255
THD + N (%)
10 15
20
OUTPUT AMPLITUDE (dBu)
GAIN = 2
f = 1kHz
R
L
= 600Ω
R
L
= 2kΩ
R
L
= 100kΩ
0
6981-050
Figure 34. THD + N vs. Output Amplitude, G = 2
0.1
0.01
0.001
0.0001
0.00001
10
100
AMPLITUDE (% OF FUNDAMENTAL)
1k 10k
100k
FREQUENCY (Hz)
GAIN = ½
V
OUT
= 10V p-p
THIRD HARMONIC ALL LOADS
SECOND HARMONIC R
L
= 600Ω
SECOND HARMONIC R
L
= 100kΩ, 2kΩ
06981-051
Figure 35. Harmonic Distortion Products vs. Frequency, G = ½
0.1
0.01
0.001
0.0001
0.00001
10
100
AMPLITUDE (% OF FUNDAMENTAL)
1k 10k
100k
FREQUENCY (Hz)
GAIN = 2
V
OUT
= 10V p-p
THIRD HARMONIC ALL LOADS
SECOND HARMONIC R
L
= 600Ω
SECOND HARMONIC R
L
= 100kΩ, 2kΩ
06981-052
Figure 36. Harmonic Distortion Products vs. Frequency, G = 2
0
6981-034
FREQUENCY (Hz)
VOLTAGE NOISE DENSITY (nV/√Hz)
10
100
1000
10000
1 10 100 1k 10k 100k
GAIN = 2
GAIN = ½
Figure 37. Voltage Noise Density vs. Frequency, Referred to Output
06981–035
1s/DIV
1µV/DIV
G = ½
G = 2
Figure 38. 0.1 Hz to 10 Hz Voltage Noise, RTO