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IRAUDAMP18 REV
1.0
Noise Floor with 1Vrms Output
Test Conditions:
VBus = 31V
Output = 1Vrms @ 1 KHz
Load Impedance = 4 ohms
Color
Sweep
Trace
Line Style
Thick
Data
Axis
Comment
1
1
Red
Solid
2
Fft.Ch.1 Ampl
Left
Ch1 4ohm
1
2
Blue
Solid
2
Fft.Ch.2 Ampl
Left
Ch2 4ohm
-100
+0
-80
-60
-40
-20
d
B
V
10
20k
20
50
100
200
500
1k
2k
5k
10k
Hz
Efficiency
0.0%
10.0%
20.0%
30.0%
40.0%
50.0%
60.0%
70.0%
80.0%
90.0%
100.0%
0
5
10
15
20
25
30
35
40
Power (W)
E
ff
ici
en
cy
Fig 5
Fig 6
