Datasheet

20 100 1k 10k 100k
FREQUENCY (HZ)
-120
-70
-60
-50
-40
-30
-20
-10
+0
PSRR (dB)
2k 5k 20k 50k20050050
-100
-90
-80
-110
10
5
2
1
0.5
0.2
0.1
0.05
0.02
0.01
OUTPUT POWER (W)
THD + N (%)
1m 2m 5m 10m 20m 50m 100m
10
5
2
1
0.5
0.2
0.1
0.05
0.02
0.01
FREQUENCY (Hz)
THD + N (%)
20 50 100 200 500 1k 2k 5k 10k 20k
20 20k
FREQUENCY (Hz)
-100
+0
CROSSTALK
(dB)
10k1k 2k 5k50 100 200 500
-90
-80
-70
-60
-50
-40
-30
-20
-10
10
5
2
1
0.5
0.2
0.1
0.05
0.02
0.01
OUTPUT POWER (W)
THD + N (%)
1m 2m 5m 10m 20m 50m 100m
PSRR (dB)
100
1k
10k
FREQUENCY (Hz)
200
2k20 500
5k50 20k
50k
100k
-120
-100
-80
-60
-40
-20
+0
-110
-90
-70
-50
-30
-10
LM49350, LM49350RLEVAL
SNAS359D –SEPTEMBER 2008–REVISED JUNE 2012 www.ti.com
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Headphone THD+N vs Output Power Headphone PSRR vs Frequency
A_V
DD
= 3.3V, Stereo Aux Input, Aux Gain = 0dB Differential Aux Input to Ground, Aux Gain = 0dB
R
L
= 16Ω, f = 1kHz V
RIPPLE
= 200mV
PP
Figure 39. Figure 40.
Earpiece THD+N vs Frequency
Headphone Crosstalk vs Frequency Differential Aux Input, Aux Gain = 0dB
Stereo Aux Inputs, Aux Gain = 0dB, R
L
= 32Ω A_V
DD
= 3.3V, P
OUT
= 20mW, R
L
= 32Ω
Figure 41. Figure 42.
Earpiece THD+N vs Output Power Earpiece PSRR vs Frequency
Differential Aux Input, Aux Gain = 0dB Differential Aux Input to Ground, Aux Gain = 0dB
A_V
DD
45 = 3.3V, R
L
= 32Ω, f = 1kHz V
RIPPLE
= 200mV
PP
Figure 43. Figure 44.
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