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TPA731 Datasheet(PDF) 7 Page - Texas Instruments

Part No. TPA731
Description  700-MW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER WITH DIFFERENTIAL INPUTS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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TPA731 Datasheet(HTML) 7 Page - Texas Instruments

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TPA731
700mW MONO LOW VOLTAGE AUDIO POWER AMPLIFIER
WITH DIFFERENTIAL INPUTS
SLOS315B − JUNE 2000 − REVISED OCTOBER 2002
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 7
f − Frequency − Hz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
FREQUENCY
AV = −2 V/V
VDD = 3.3 V
PO = 250 mW
RL = 8 Ω
20
1k
10k
1
0.01
10
0.1
20k
100
AV = −20 V/V
AV =− 10 V/V
Figure 8
f − Frequency − Hz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
FREQUENCY
PO = 125 mW
VDD = 3.3 V
RL = 8 Ω
AV = −2 V/V
20
1k
10k
1
0.01
10
0.1
20k
100
PO = 50 mW
PO = 250 mW
Figure 9
PO − Output Power − W
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
OUTPUT POWER
0
0.15
0.4
1
0.01
10
0.1
0.2
0.25
0.3
0.35
VDD = 3.3 V
f = 1 kHz
AV = −2 V/V
0.05
0.1
RL = 8 Ω
Figure 10
PO − Output Power − W
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
OUTPUT POWER
f = 20 kHz
VDD = 3.3 V
RL = 8 Ω
CB = 1 µF
AV = −2 V/V
0.01
0.1
1
1
0.01
10
0.1
f = 1 kHz
f = 10 kHz
f = 20 Hz


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