Datasheet

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f − Frequency − Hz
THD+N −Total Harmonic Distortion + Noise − %
P
O
= 125 mW
V
DD
= 3.3 V
R
L
= 8 Ω
A
V
= −2 V/V
BTL
20 1k 10k
1
0.01
10
0.1
20k100
P
O
= 50 mW
P
O
= 250 mW
P
O
− Output Power − W
THD+N −Total Harmonic Distortion + Noise − %
0 0.15 0.4
1
0.01
10
0.1
0.2 0.25 0.3 0.35
V
DD
= 3.3 V
f = 1 kHz
A
V
= −2 V/V
BTL
0.05 0.1
R
L
= 8 Ω
P
O
− Output Power − W
THD+N −Total Harmonic Distortion + Noise − %
f = 20 kHz
V
DD
= 3.3 V
R
L
= 8 Ω
C
B
= 1 µF
A
V
= −2 V/V
BTL
0.01 0.1 1
1
0.01
10
0.1
f = 1 kHz
f = 10 kHz
f = 20 Hz
f − Frequency − Hz
THD+N −Total Harmonic Distortion + Noise − %
A
V
=− 2 V/V
V
DD
= 5 V
P
O
= 700 mW
R
L
= 8 Ω
BTL
20 1k 10k
1
0.01
10
0.1
20k100
A
V
= −20 V/V
A
V
= −10 V/V
TPA721
SLOS231E – NOVEMBER 1998 – REVISED JUNE 2004
TYPICAL CHARACTERISTICS (continued)
TOTAL HARMONIC DISTORTION + NOISE TOTAL HARMONIC DISTORTION + NOISE
vs vs
FREQUENCY OUTPUT POWER
Figure 8. Figure 9.
TOTAL HARMONIC DISTORTION + NOISE TOTAL HARMONIC DISTORTION + NOISE
vs vs
OUTPUT POWER FREQUENCY
Figure 10. Figure 11.
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