TPA152
75-mW STEREO AUDIO POWER AMPLIFIER
SLOS210A – JUNE 1998 – REVISED MARCH 2000
TYPICAL CHARACTERISTICS
TOTAL HARMONIC DISTORTION PLUS NOISE
OUTPUT NOISE VOLTAGE
vs
vs
FREQUENCY
FREQUENCY
0.1
20
10
V = 1 V
A
V
V
= 5 V
I
(rms)
= –1 V/V
DD
BW = 10 Hz to 22 kHz
R
A
V
= 32 Ω to 10 kΩ
= –1 V/V
L
R
= 32 Ω
L
0.01
R
= 10,47, and 100 kΩ
L
0.001
1
20
20
100
1k
10k 20k
100
1k
10k 20k
f – Frequency – Hz
f – Frequency – Hz
Figure 9
Figure 10
SIGNAL-TO-NOISE RATIO
SUPPLY RIPPLE REJECTION RATIO
vs
GAIN
vs
FREQUENCY
110
105
100
95
0
–10
V
R
= 5 V
= 32 Ω to 10 kΩ
R = 20 kΩ
I
DD
L
–20
–30
–40
–50
–60
–70
–80
C
= 0.1 µF
B
C
= 1 µF
R
= 10 kΩ
B
L
90
R
= 32 Ω
L
85
C
= 2.5 V
B
–90
80
1
–100
2
3
4
5
6
7
8
9
10
20
100
1k
10k 20k
Gain – V/V
f – Frequency – Hz
Figure 11
Figure 12
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
