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TPA721 Datasheet(PDF) 7 Page - Texas Instruments

Part No. TPA721
Description  700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPA721 Datasheet(HTML) 7 Page - Texas Instruments

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f − Frequency − Hz
PO = 125 mW
VDD = 3.3 V
RL = 8 Ω
AV = −2 V/V
BTL
20
1k
10k
1
0.01
10
0.1
20k
100
PO = 50 mW
PO = 250 mW
PO − Output Power − W
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
BTL
0.05
0.1
RL = 8 Ω
PO − Output Power − W
f = 20 kHz
VDD = 3.3 V
RL = 8 Ω
CB = 1 µF
AV = −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
AV =− 2 V/V
VDD = 5 V
PO = 700 mW
RL = 8 Ω
BTL
20
1k
10k
1
0.01
10
0.1
20k
100
AV = −20 V/V
AV = −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.
7


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