Datasheet
SLOS336C − DECEMBER 2000 − REVISED OCTOBER 2002
15
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
application schematics
Figure 26 is a schematic diagram of a typical handheld audio application circuit, configured for a gain of
−10 V/V.
Audio
Input
Bias
Control
V
DD
700 mW
6
5
7
V
O
+
V
DD
1
2
4
BYPASS
IN −
V
DD
/2
C
I
R
I
10 kΩ
C
S
1
µF
C
B
2.2
µF
SHUTDOWN
V
O
−8
GND
From System Control
3 IN+
R
F
50 kΩ
−
+
−
+
Figure 26. TPA751 Application Circuit
Figure 27 is a schematic diagram of a typical handheld audio application circuit, configured for a gain of
−10 V/V with a differential input.
Audio
Input−
Bias
Control
V
DD
700 mW
6
5
7
V
O
+
V
DD
1
2
4
BYPASS
IN −
V
DD
/2
C
I
C
S
1
µF
C
B
2.2
µF
SHUTDOWN
V
O
−8
GND
From System Control
3 IN+
R
I
10 kΩ
R
F
50 kΩ
−
+
−
+
R
I
10 kΩ
Audio
Input+
C
I
R
F
50 kΩ
Figure 27. TPA751 Application Circuit With Differential Input