Datasheet

0
5
10
15
20
10 100 1000 10000 100000
FREQUENCY (Hz)
PV
RMS
)NOISE (
0
5
10
15
20
10 100 1000 10000 100000
FREQUENCY (Hz)
PV
RMS
)NOISE (
0
10
20
30
40
50
60
70
80
10 100 1000 10000 100000
FREQUENCY (Hz)
PV
RMS
)NOISE (
0
10
20
30
40
50
60
70
80
10 100 1000 10000 100000
FREQUENCY (Hz)
PV
RMS
)NOISE (
0
10
20
30
40
50
1.8 1.95 2.1 2.25 2.4 2.55 2.7
SUPPLY VOLTAGE (V)
OUTPUT POWER (mW)
THD+N = 1%
THD+N = 10%
0
10
20
30
40
50
1.8 1.95 2.1 2.25 2.4 2.55 2.7
SUPPLY VOLTAGE (V)
OUTPUT POWER (mW)
THD+N = 1%
THD+N = 10%
LM49450
SNAS440D –FEBRUARY 2008–REVISED MAY 2013 www.ti.com
Typical Performance Characteristics (continued)
Output Power vs Supply Voltage Output Power vs Supply Voltage
R
L
= 16Ω, f = 1kHz, Headphone Mode R
L
= 32Ω, f = 1kHz, Headphone Mode
Figure 57. Figure 58.
Output Noise vs Frequency Output Noise vs Frequency
V
DD
= 3.6V, R
L
= 8Ω V
DD
= 3.6V, R
L
= 8Ω
DAC Input, Internal Reference, Speaker Mode Analog Input, Speaker Mode
Figure 59. Figure 60.
Output Noise vs Frequency Output Noise vs Frequency
V
DD
= 2.5V, R
L
= 32Ω HPV
DD
= 2.5V, R
L
= 32Ω
DAC Input, Internal Reference, Headphone Mode Analog Input, Headphone Mode
Figure 61. Figure 62.
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