Datasheet

TPA311
350-mW MONO AUDIO POWER AMPLIFIER
SLOS207C – JANUARY 1998 – REVISED MAY 2003
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 5
–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
V
DD
= 5 V
V
DD
= 3.3 V
R
L
= 8 Ω
C
B
= 1 µF
BTL
Supply Voltage Rejection Ratio – dB
Figure 6
V
DD
– Supply Voltage – V
SUPPLY CURRENT
vs
SUPPLY VOLTAGE
1.1
0.7
0.3
–0.1
0.9
0.5
0.1
34 62 5
SE/BTL = 0.1 V
DD
I
DD
– Supply Current – mA
SHUTDOWN = 0 V
R
F
= 10 kΩ
SE/BTL = 0.9 V
DD
V
DD
– Supply Voltage – V
SUPPLY CURRENT (SHUTDOWN)
vs
SUPPLY VOLTAGE
20
10
0
343.5 4.5
60
25
30
SHUTDOWN = V
DD
SE/BTL
= 0 V
R
F
= 10 kΩ
40
50
5.52.5
70
80
90
I
DD(SD)
– Supply Current – Aµ
Figure 7