Datasheet

TPA152
75-mW STEREO AUDIO POWER AMPLIFIER
SLOS210A – JUNE 1998 – REVISED MARCH 2000
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 9
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
FREQUENCY
V
I
= 1 V
(rms)
A
V
= –1 V/V
0.01
0.001
0.1
THD+N –Total Harmonic Distortion + Noise – %
f – Frequency – Hz
20 100 1k 10k 20k
R
L
= 32 Ω
R
L
= 10,47, and 100 kΩ
Figure 10
OUTPUT NOISE VOLTAGE
vs
FREQUENCY
V
DD
= 5 V
BW = 10 Hz to 22 kHz
R
L
= 32 Ω to 10 kΩ
A
V
= –1 V/V
10
1
20
f – Frequency – Hz
20 100 1k 10k 20k
– Output Noise Voltage – VµV
n
Figure 11
Gain – V/V
SIGNAL-TO-NOISE RATIO
vs
GAIN
12 34 7865
105
95
85
80
100
90
110
9
R
L
= 10 kΩ
SNR – Signal-to-Noise Ratio – dB
10
R
I
= 20 kΩ
R
L
= 32 Ω
Figure 12
Supply Ripple Rejection Ratio – dB
SUPPLY RIPPLE REJECTION RATIO
vs
FREQUENCY
f – Frequency – Hz
20 100 1k 10k 20k
–50
–70
–90
–100
–60
–80
0
–20
–40
–10
–30
V
DD
= 5 V
R
L
= 32 Ω to 10 kΩ
C
B
= 0.1 µF
C
B
= 1 µF
C
B
= 2.5 V