Datasheet

TPA0202
2-W STEREO AUDIO POWER AMPLIFIER
SLOS205B – FEBRUARY 1998 – REVISED DECEMBER 2000
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
THD + N
Total harmonic distortion
p
lus noise
vs Frequency
4, 5, 7, 8, 11, 12, 14, 15, 17, 18, 20,
21, 23, 24, 26, 27, 29, 30 32, 33
THD
+
N
Total
harmonic
distortion
plus
noise
vs Output power
3, 6, 9, 10, 13, 16, 19, 22, 25, 28, 31,
34
V
n
Output noise voltage vs Frequency 35,36
Supply ripple rejection ratio vs Frequency 37,38
Crosstalk vs Frequency 39 – 42
Open loop response vs Frequency 43,44
Closed loop response vs Frequency 45, 48
I
DD
Supply current vs Supply voltage 49
P
O
Output power
vs Supply voltage
vs Load resistance
50, 51
52, 53
P
D
Power dissipation vs Output power 54 – 57
Figure 3
0.1
0.01
0 0.25 0.5 0.75 1 1.25 1.5
1
10
1.75 2 2.25 2.5
P
O
– Output Power – W
V
DD
= 5 V
f = 1 kHz
BTL
THD+N –Total Harmonic Distortion + Noise – %
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
OUTPUT POWER
R
L
= 8 Ω
R
L
= 3 Ω
Figure 4
0.01
10
20 100 1 k 10 k 20 k
THD+N –Total Harmonic Distortion + Noise – %
f – Frequency – Hz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
FREQUENCY
1
0.1
V
DD
= 5 V
P
O
= 1.5 W
R
L
= 4 Ω
BTL
A
V
= –2 V/V
A
V
= –20 V/V
A
V
= –10 V/V (R
L
= 3 Ω, P
O
= 2 W)
A
V
= –10 V/V