Datasheet

0.001
0.01
0.1
1
10
100
10 100 1000 10000 100000
FREQUENCY (Hz)
THD+N (%)
0.001
0.01
0.1
1
10
100
10 100 1000 10000 100000
FREQUENCY (Hz)
THD+N (%)
0.001
0.01
0.1
1
10
100
10 100 1000 10000 100000
FREQUENCY (Hz)
THD+N (%)
0.001
0.01
0.1
1
10
100
10 100 1000 10000 100000
FREQUENCY (Hz)
THD+N (%)
0.001
0.01
0.1
1
10
100
10 100 1000 10000 100000
FREQUENCY (Hz)
THD+N (%)
0.001
0.01
0.1
1
10
100
10 100 1000 10000 100000
FREQUENCY (Hz)
THD+N (%)
LM49450
www.ti.com SNAS440D –FEBRUARY 2008–REVISED MAY 2013
Typical Performance Characteristics
THD+N vs Frequency THD+N vs Frequency
V
DD
= 3.0V, P
OUT
= 50mW, R
L
= 4Ω V
DD
= 3.0V, P
OUT
= 150mW, R
L
= 8Ω
DAC Input, Internal Reference, Speaker Mode DAC Input, Internal Reference, Speaker Mode
Figure 3. Figure 4.
THD+N vs Frequency THD+N vs Frequency
V
DD
= 3.0V, P
OUT
= 50mW, R
L
= 4Ω V
DD
= 3.0V, P
OUT
= 150mW, R
L
= 8Ω
DAC Input, External Reference, Speaker Mode DAC Input, External Reference, Speaker Mode
Figure 5. Figure 6.
THD+N vs Frequency THD+N vs Frequency
V
DD
= 3.0V, P
OUT
= 100mW, R
L
= 4Ω V
DD
= 3.0V, P
OUT
= 80mW, R
L
= 8Ω
Analog Input, Speaker Mode Analog Input, Speaker Mode
Figure 7. Figure 8.
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