Datasheet

TPA311
350-mW MONO AUDIO POWER AMPLIFIER
SLOS207C – JANUARY 1998 – REVISED MAY 2003
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
Supply voltage rejection ratio vs Frequency 3, 4, 5
I
DD
Supply current vs Supply voltage 6, 7
P
Output power
vs Supply voltage 8, 9
P
O
Output power
vs Load resistance
10, 11
THD N
Total harmonic distortion plus noise
vs Frequency
12, 13, 16, 17, 20,
21, 24, 25, 28, 29,
32, 33
THD+N Total harmonic distortion plus noise
vs Output power
14, 15, 18, 19, 22,
23, 26, 27, 30, 31,
34, 35
Open loop gain and phase vs Frequency 36, 37
Closed loop gain and phase vs Frequency 38, 39, 40, 41
V
n
Output noise voltage vs Frequency 42, 43
P
D
Power dissipation vs Output power 44, 45, 46, 47
Figure 3
–50
–60
–80
–100
20 100 1 k
–30
–20
f – Frequency – Hz
SUPPLY VOLTAGE REJECTION RATIO
vs
FREQUENCY
0
10 k 20 k
–10
–40
–70
–90
BYPASS = 1/2 V
DD
C
B
= 0.1 µF
V
DD
= 3.3 V
R
L
= 8 Ω
SE
C
B
= 1 µF
Supply Voltage Rejection Ratio – dB
Figure 4
–50
–60
–80
–100
20 100 1 k
–30
–20
f – Frequency – Hz
SUPPLY VOLTAGE REJECTION RATIO
vs
FREQUENCY
0
10 k 20 k
–10
–40
–70
–90
BYPASS = 1/2 V
DD
C
B
= 0.1 µF
V
DD
= 5 V
R
L
= 8 Ω
SE
C
B
= 1 µF
Supply Voltage Rejection Ratio – dB