Datasheet


     
SLOS230D − NOVEMBER 1998 − REVISED OCTOBER 2002
9
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 12
f − Frequency − Hz
THD+N −Total Harmonic Distortion + Noise − %
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
FREQUENCY
A
V
= −2 V/V
V
DD
= 3.3 V
P
O
= 250 mW
R
L
= 8 Ω
BTL
20 1k 10k
1
0.01
10
0.1
20k100
A
V
=− 20 V/V
A
V
= −10 V/V
Figure 13
f − Frequency − Hz
THD+N −Total Harmonic Distortion + Noise − %
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
FREQUENCY
P
O
= 125 mW
V
DD
= 3.3 V
R
L
= 8 Ω
A
V
= −2 V/V
BTL
20 1k 10k
1
0.01
10
0.1
20
k
100
P
O
= 50 mW
P
O
= 250 mW
Figure 14
P
O
− Output Power − W
THD+N −Total Harmonic Distortion + Noise − %
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
OUTPUT POWER
0 0.15 0.4
1
0.01
10
0.1
0.2 0.25 0.3 0.35
V
DD
= 3.3 V
f = 1 kHz
A
V
= −2 V/V
BTL
0.05 0.1
R
L
= 8 Ω
Figure 15
P
O
− Output Power − W
THD+N −Total Harmonic Distortion + Noise − %
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
OUTPUT POWER
f = 20 kHz
V
DD
= 3.3 V
R
L
= 8 Ω
C
B
= 1 µF
A
V
= −2 V/V
BTL
0.01 0.1 1
1
0.01
10
0.1
f = 1 kHz
f = 10 kHz
f = 20 Hz