Datasheet

TPA311
350-mW MONO AUDIO POWER AMPLIFIER
SLOS207C – JANUARY 1998 – REVISED MAY 2003
12
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 24
f – Frequency – Hz
THD+N –Total Harmonic Distortion + Noise – %
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
FREQUENCY
A
V
= –10 V/V
V
DD
= 5 V
P
O
= 60 mW
R
L
= 32 Ω
SE
20 1k 10k
0.1
0.001
10
0.01
20k100
A
V
= –1 V/V
1
A
V
= –5 V/V
Figure 25
f – Frequency – Hz
THD+N –Total Harmonic Distortion + Noise – %
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
FREQUENCY
V
DD
= 5 V
R
L
= 32 Ω
A
V
= –1 V/V
SE
20 1k 10k
0.1
0.001
10
0.01
20k100
P
O
= 15 mW
P
O
= 60 mW
1
P
O
= 30 mW
Figure 26
THD+N –Total Harmonic Distortion + Noise – %
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
OUTPUT POWER
V
DD
= 5 V
f = 1 kHz
R
L
= 32 Ω
A
V
= –1 V/V
SE
1
0.01
10
0.1
P
O
– Output Power – W
0.02 0.04 0.140.06 0.08 0.1 0.12
Figure 27
P
O
– Output Power – W
THD+N –Total Harmonic Distortion + Noise – %
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
OUTPUT POWER
f = 20 Hz
V
DD
= 5 V
R
L
= 32 Ω
A
V
= –1 V/V
SE
1
0.01
10
0.1
f = 1 kHz
f = 10 kHz
f = 20 kHz
0.002 0.1 0.20.01