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TPA731 Datasheet(PDF) 15 Page - Texas Instruments

Part No. TPA731
Description  700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER WITH DIFFERENTIAL INPUTS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPA731 Datasheet(HTML) 15 Page - Texas Instruments

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TPA731
700mW MONO LOW VOLTAGE AUDIO POWER AMPLIFIER
WITH DIFFERENTIAL INPUTS
SLOS315B − JUNE 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
VDD
700 mW
6
5
7
VO+
VDD
1
2
4
BYPASS
IN −
VDD/2
CI
RI
10 k
CS
1
µF
CB
2.2
µF
SHUTDOWN
VO−8
GND
From System Control
3
IN+
RF
50 k
+
+
Figure 26. TPA731 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
VDD
700 mW
6
5
7
VO+
VDD
1
2
4
BYPASS
IN −
VDD/2
CI
CS
1
µF
CB
2.2
µF
SHUTDOWN
VO−8
GND
From System Control
3
IN+
RI
10 k
RF
50 k
+
+
RI
10 k
Audio
Input+
CI
RF
50 k
Figure 27. TPA731 Application Circuit With Differential Input


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