TPA2012D2
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SLOS438C–DECEMBER 2004–REVISED MARCH 2007
TYPICAL CHARACTERISTICS
TOTAL HARMONIC DISTORTION
TOTAL HARMONIC DISTORTION
TOTAL HARMONIC DISTORTION
vs
vs
vs
OUTPUT POWER
OUTPUT POWER
OUTPUT POWER
20
10
20
10
20
10
R
= 8 W,
L
R = 4 W,
L
R
= 8 W,
L
f = 1 kHz,
= 24 dB
f = 1 kHz,
= 24 dB
f = 1 kHz,
= 6 dB
A
V
A
A
V
V
2.5 V
3.6 V
2.5 V
2.5 V
3.6 V
1
1
1
3.6 V
0.1
0.1
0.1
5 V
5 V
5 V
0.01
0.01
0.01
0.01
0.01
0.01
0.1
1
3
0.1
1
4
0.1
1
3
P
O
− Output Power − W
P
O
− Output Power − W
P
O
− Output Power − W
Figure 1.
Figure 2.
Figure 3.
TOTAL HARMONIC DISTORTION
TOTAL HARMONIC DISTORTION
TOTAL HARMONIC DISTORTION
vs
vs
vs
OUTPUT POWER
FREQUENCY
FREQUENCY
1
1
20
10
R
= 4 W,
L
V
R
= 2.5 V,
= 4 W,
V
R
= 2.5 V,
= 8 W,
DD
DD
f = 1 kHz,
= 6 dB
90 mW
L
L
A
V
120 mW
C = 1 mF,
C = 1 mF,
I
I
A
V
= 6 dB
A
V
= 6 dB
350 mW
2.5 V
3.6 V
260 mW
1
0.1
0.1
0.1
180 mW
240 mW
1 k
5 V
0.01
20
0.01
0.01
0.01
20
100
20 k
10 k
0.1
100
1 k
10 k 20 k
1
4
f − Frequency − Hz
f − Frequency − Hz
P
O
− Output Power − W
Figure 4.
Figure 5.
Figure 6.
TOTAL HARMONIC DISTORTION
TOTAL HARMONIC DISTORTION
TOTAL HARMONIC DISTORTION
vs
vs
vs
FREQUENCY
FREQUENCY
FREQUENCY
1
1
1
V
R
= 3.6 V,
= 4 W,
V
R
= 5 V,
= 4 W,
V
R
= 3.6 V,
= 8 W,
DD
DD
DD
190 mW
L
L
550 mW
L
C = 1 mF,
I
C = 1 mF,
I
C = 1 mF,
I
275 mW
A
V
= 6 dB
A = 6 dB
V
A
V
= 6 dB
560 mW
825 mW
0.1
0.1
0.1
1.65 W
550 mW
375 mW
1.1 W
1 k
0.01
20
0.01
20
0.01
20
100
1 k
10 k 20 k
100
10 k 20 k
100
1 k
10 k 20 k
f − Frequency − Hz
f − Frequency − Hz
f − Frequency − Hz
Figure 7.
Figure 8.
Figure 9.
7
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