Datasheet

TPA311
350-mW MONO AUDIO POWER AMPLIFIER
SLOS207C – JANUARY 1998 – REVISED MAY 2003
17
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
CLOSED-LOOP GAIN AND PHASE
vs
FREQUENCY
3
1
–1
–3
f – Frequency – Hz
4
2
0
–2
5
7
Closed-Loop Gain – dB
6
V
DD
= 3.3 V
R
L
= 32 Ω
A
V
= –2 V/V
P
O
= 30 mW
C
I
=1 µF
C
C
=470 µF
SE
Gain
Phase
110
100
120
Phase –
°
130
140
150
180
160
170
10
1
10
2
10
3
10
4
10
5
10
6
Figure 40
CLOSED-LOOP GAIN AND PHASE
vs
FREQUENCY
4
2
0
–2
f – Frequency – Hz
5
3
1
–1
6
Closed-Loop Gain – dB
7
110
100
120
Phase –
°
130
140
V
DD
= 5 V
R
L
= 32 Ω
A
V
= –2 V/V
P
O
= 60 mW
C
I
=1 µF
C
C
=470 µF
SE
150
180
Gain
Phase
160
170
10
1
10
2
10
3
10
4
10
5
10
6
Figure 41