Class D Stereo Audio Power Amplifier Module User's Guide TPA005D12

TPA005D12 Class-D EVM Performance Characteristics
3-21
Details
Figure 3–12. Class-D Amplifier Distortion versus Output Power at 4 Ω
1
THD+N – Total Harmonic Distortion Plus Noise – (%)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
OUTPUT POWER
0.1
P
O
– Output Power – W
0.02
1 kHz
V
DD
= 5 V
R
L
= 4 Ω
TA = 25° C
0.01 1 2
0.1
Figure 3–13. Class-D Amplifier Distortion versus Output Power at 8 Ω
1
THD+N – Total Harmonic Distortion Plus Noise – (%)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
OUTPUT POWER
0.1
P
O
– Output Power – W
0.02
1 kHz
V
DD
= 5 V
R
L
= 8 Ω
TA = 25° C
0.01 1 2
0.1