TPA311_07 Datasheet, PDF (9/35 Pages) Texas Instruments – 350-mW MONO AUDIO POWER AMPLIFIER

TPA311
350-mW MONO AUDIO POWER AMPLIFIER
SLOS207C – JANUARY 1998 – REVISED MAY 2003
TYPICAL CHARACTERISTICS
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
FREQUENCY
10
VDD = 3.3 V
PO = 250 mW
RL = 8 Ω
BTL
AV = –20 V/V
1
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
FREQUENCY
10
VDD = 3.3 V
RL = 8 Ω
AV = –2 V/V
BTL
PO = 50 mW
1
AV = –10 V/V
AV = –2 V/V
0.1
0.1
PO = 125 mW
0.01
20
100
1k
f – Frequency – Hz
Figure 12
10k 20k
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
OUTPUT POWER
10
VDD = 3.3 V
f = 1 kHz
AV = –2 V/V
BTL
1
RL = 8 Ω
0.1
0.01
0.04 0.1 0.16 0.22 0.28 0.34 0.4
PO – Output Power – W
Figure 14
0.01
20
PO = 250 mW
100
1k
f – Frequency – Hz
Figure 13
10k 20k
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
OUTPUT POWER
10
f = 20 kHz
f = 10 kHz
1
f = 1 kHz
0.1
0.01
0.01
f = 20 Hz
VDD = 3.3 V
RL = 8 Ω
AV = –2 V/V
BTL
0.1
1
PO – Output Power – W
Figure 15
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