TPA4411 Datasheet, PDF (15/21 Pages) Texas Instruments – 80-mW CAPLESS STEREO HEADPHONE DRIVER

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APPLICATION INFORMATION (continued)
TOTAL HARMONIC DISTORTION
+ NOISE
vs
FREQUENCY
1
V_DD = 3.6 V,
R_L = 32 Ω,
P_O = 35 mW,
0.1
C = 1 µF
TPA4411
SLOS430 – AUGUST 2004
0.01
0.001
10
C = 2.2 µF
100
1k
10 k
f − Frequency − Hz
Figure 65.
100 k
TOTAL HARMONIC DISTORTION
+ NOISE
vs
OUTPUT POWER
100 _{VDD = 3.6 V,}
R_L = 16 Ω,
f_IN = 20 HZ
C = 1 µF
180° Out of Phase
10
In Phase
1 _{Single Channel}
0.1
0.0001 0.001
0.01
0.1
1
P_O − Output Power − mW
Figure 66.
TOTAL HARMONIC DISTORTION
+ NOISE
vs
OUTPUT POWER
100
V_DD = 3.6 V,
R_L = 16 Ω,
f_IN = 1 kHZ
C = 1 µF
10
Single Channel
In Phase
1
180° Out of Phase
0.1
0.01
0.0001 0.001
0.01
0.1
1
P_O − Output Power − mW
Figure 68.
TOTAL HARMONIC DISTORTION
+ NOISE
vs
OUTPUT POWER
100
V_DD = 3.6 V,
R_L = 16 Ω,
f_IN = 20 Hz
10 C = 2.2 µF
In Phase
180° Out of Phase
1
Single Channel
0.1
0.01
0.001
0.001
0.01
0.1
P_O − Output Power − mW
Figure 67.
TOTAL HARMONIC DISTORTION
+ NOISE
vs
OUTPUT POWER
100
V_DD = 3.6 V,
R_L = 16 Ω,
f_IN = 1 kHz
C = 2.2 µF
In Phase
10
180° Out of Phase
1
Single Channel
0.1
0.01
0.001
0.01
0.1
P_O − Output Power − mW
Figure 69.
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