TPA741 Datasheet, PDF (7/22 Pages) Texas Instruments – 700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER WITH DIFFERENTIAL INPUTS

TPA741
700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER
WITH DIFFERENTIAL INPUTS
SLOS316A – JUNE 2000 – REVISED APRIL 2001
TYPICAL CHARACTERISTICS
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
FREQUENCY
10
VDD = 3.3 V
PO = 250 mW
RL = 8 Ω
AV = –20 V/V
1
AV = –10 V/V
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
FREQUENCY
10
VDD = 3.3 V
RL = 8 Ω
AV = –2 V/V
1
PO = 50 mW
AV = –2 V/V
0.1
0.1
PO = 125 mW
0.01
20
100
1k
f – Frequency – Hz
Figure 7
10k 20k
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
OUTPUT POWER
10
VDD = 3.3 V
f = 1 kHz
AV = –2 V/V
1
RL = 8 Ω
0.1
0.01
0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4
PO – Output Power – W
Figure 9
0.01
20
PO = 250 mW
100
1k
f – Frequency – Hz
Figure 8
10k 20k
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
OUTPUT POWER
10
f = 20 kHz
1
f = 10 kHz
f = 1 kHz
0.1
0.01
0.01
f = 20 Hz
VDD = 3.3 V
RL = 8 Ω
CB = 1 µF
AV = –2 V/V
0.1
1
PO – Output Power – W
Figure 10
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