Typical Demonstration Board Audio Performance (C-CUPL Mode)
Typical C-CUPL mode THD+N versus Output Power performance curves at V
DD
= 5V, 3.6V, and 2.5V for 16
Ω
and 32
Ω
are shown
in Figure 8 and Figure 9, respectively. Typical C-CUPL mode THD+N versus Frequency performance curves at V
DD
= 5V, 3.6V,
and 2.5V for 16
Ω
and 32
Ω
are shown in Figure 10 and Figure 11, respectively.
20184934
R
L
= 16
Ω
, f
IN
= 1kHz,
at (from left to right at 1% THD+N):
V
DD
= 2.5V, V
DD
= 3.6V, V
DD
= 5.0V
Figure 8. C-CUPL mode THD+N vs Output Power
20184935
R
L
= 32
Ω
, f
IN
= 1kHz,
at (from left to right at 1% THD+N):
V
DD
= 2.5V, V
DD
= 3.6V, V
DD
= 5.0V
Figure 9. C-CUPL mode THD+N vs Output Power
20184928
R
L
= 16
Ω
, f
IN
= 1kHz,
at (from top to bottom at 1kHz):
V
DD
= 2.5V, P
OUT
= 20mW, V
DD
= 3.6V, P
OUT
= 50mW,
V
DD
= 5.0V, P
OUT
= 50mW
Figure 10. C-CUPL mode THD+N vs Frequency
20184933
R
L
= 32
Ω
, f
IN
= 1kHz,
at (from top to bottom at 1kHz):
V
DD
= 2.5V, P
OUT
= 16mW, V
DD
= 3.6V, P
OUT
= 38mW,
V
DD
= 5.0V, P
OUT
= 60mW
Figure 11. C-CUPL mode THD+N vs Frequency
AN-1452
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