Datasheet

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TYPICAL CHARACTERISTICS
0
10
20
30
40
50
60
70
80
90
0 0.2 0.4 0.6 0.8 1 1.2
No Filter
Ferrite Bead Filter
LC Filter
Class−AB
R
L
= 8 Ω, Multimedia Speaker
V
DD
= 5 V
Efficiency − %
P
O
− Output Power − W
0
10
20
30
40
50
60
70
80
0 0.5 1 1.5 2
Ferrite Bead Filter
Notebook Speaker
Class−AB
Efficiency − %
P
O
− Output Power − W
LC Filter
R
L
= 3 Ω, Notebook PC Speaker
V
DD
= 5 V
−140
+0
−120
−100
−80
−60
−40
−20
0 24k2k 4k 6k 8k 10k 12k 14k 16k 18k 20k 22k
Power − VdB
f − Frequency − Hz
V
DD
= 5 V,
Gain = 8 dB,
f = 1 kHz,
P
O
= 1.5 W,
Bandwidth = 20 Hz to 22 kHz,
16386 Frequency Bins
TPA2000D2
SLOS291F – MARCH 2000 – REVISED MARCH 2007
EFFICIENCY EFFICIENCY
vs vs
OUTPUT POWER OUTPUT POWER
Figure 2. Figure 3.
FFT AT 1.5 W OUTPUT POWER
vs
FREQUENCY
Figure 4.
6
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