Datasheet

TPA0202
2-W STEREO AUDIO POWER AMPLIFIER
SLOS205B – FEBRUARY 1998 – REVISED DECEMBER 2000
9
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 9
0.1
0.01
0.01 0.1
1
10
110
f = 20 kHz
f = 1 kHz
f = 20 Hz
P
O
– Output Power – W
V
DD
= 5 V
R
L
= 8 Ω
A
V
= –2 V/V
BTL
THD+N –Total Harmonic Distortion + Noise – %
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
OUTPUT POWER
Figure 10
0.1
0.01
0 0.1 0.2 0.3 0.4 0.5 0.6
1
10
0.7 0.8 0.9 1
P
O
– Output Power – W
V
DD
= 3.3 V
f = 1 kHz
BTL
THD+N –Total Harmonic Distortion + Noise – %
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
OUTPUT POWER
R
L
= 3 Ω
R
L
= 8 Ω
Figure 11
0.1
0.01
20 100 1 k
1
10
10 k 20 k
THD+N –Total Harmonic Distortion + Noise – %
f – Frequency – Hz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
FREQUENCY
V
DD
= 3.3 V
P
O
= 0.75 W
R
L
= 4 Ω
BTL
A
V
= –10 V/V
A
V
= –20 V/V
A
V
= –2 V/V
A
V
= –10 V/V (R
L
= 3 Ω, P
O
= 800 mW)
Figure 12
P
O
= 0.35 W
P
O
= 0.1 W
P
O
= 0.75 W
0.1
0.01
20 100 1 k
1
10
10 k 20 k
THD+N –Total Harmonic Distortion + Noise – %
f – Frequency – Hz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
FREQUENCY
V
DD
= 3.3 V
R
L
= 4 Ω
A
V
= –2 V/V
BTL
P
O
= 800 mW
(R
L
= 3 Ω)