Datasheet

TPA311
350-mW MONO AUDIO POWER AMPLIFIER
SLOS207C – JANUARY 1998 – REVISED MAY 2003
16
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
CLOSED-LOOP GAIN AND PHASE
vs
FREQUENCY
–0.5
–1
–1.5
–2
f – Frequency – Hz
–0.25
–0.75
–1.25
–1.75
0
0.5
Closed-Loop Gain – dB
0.25
0.75
130
120
140
Phase –
°
150
160
V
DD
= 3.3 V
R
L
= 8 Ω
P
O
= 0.25 W
C
I
=1 µF
BTL
1
170
180
Gain
Phase
10
1
10
2
10
3
10
4
10
5
10
6
Figure 38
CLOSED-LOOP GAIN AND PHASE
vs
FREQUENCY
–0.5
–1
–1.5
–2
f – Frequency – Hz
–0.25
–0.75
–1.25
–1.75
0
0.5
Closed-Loop Gain – dB
0.25
0.75
130
120
140
Phase –
°
150
160
V
DD
= 5 V
R
L
= 8 Ω
P
O
= 0.35 W
C
I
=1 µF
BTL
1
170
180
Gain
Phase
10
1
10
2
10
3
10
4
10
5
10
6
Figure 39