SBOS426B – NOVEMBER 2008 – REVISED AUGUST 2010
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TYPICAL CHARACTERISTICS
At T
A
= +25°C, V
S
= ±18V, R
L
= 10kΩ connected to midsupply, and V
CM
= V
OUT
= midsupply, unless otherwise noted.
INPUT VOLTAGE NOISE DENSITY vs FREQUENCY
100
INPUT CURRENT NOISE DENSITY vs FREQUENCY
10
Input Voltage Noise Density (nV/
ÖHz
)
10
Input Current Noise Density (nV/
ÖHz
)
1
1
0.1
0.1
1
10
100
Frequency (Hz)
1k
10k
100k
0.1
1
10
100
1k
10k
Frequency (Hz)
Figure 1.
TOTAL HARMONIC DISTORTION + NOISE RATIO vs
FREQUENCY
0.001
Figure 2.
TOTAL HARMONIC DISTORTION + NOISE RATIO vs
AMPLITUDE
1
Total Harmonic Distortion+Noise (%)
Total Harmonic Distortion+Noise (%)
V
S
=
±15V
R
L
= 600W
0.1
G = +11
V
OUT
= 3V
RMS
0.0001
0.01
0.001
G = +11
0.0001
G = +1
0.00001
0.01
0.1
1
10
100
G = +1
V
OUT
= 3V
RMS
0.00001
10
100
1k
Frequency (Hz)
10k 20k
Output Voltage Amplitude (V
RMS
)
Figure 3.
Figure 4.
POWER-SUPPLY REJECTION RATIO
vs FREQUENCY (REFERRED TO INPUT)
160
140
120
0.1Hz TO 10Hz NOISE
PSRR (dB)
50nV/div
100
-PSRR
80
60
40
20
0
+PSRR
Time (1s/div)
0.1
1
10
100
1k
10k
100k
1M
10M 100M
Frequency (Hz)
Figure 5.
Figure 6.
6
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