參數(shù)資料
型號: TPA731DR
元件分類: 音頻放大器
英文描述: Single Audio Amplifier
中文描述: 單音頻放大器
文件頁數(shù): 15/22頁
文件大?。?/td> 337K
代理商: TPA731DR
TPA731
700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER
WITH DIFFERENTIAL INPUTS
SLOS315A
JUNE 2000
REVISED APRIL 2001
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
μ
F
CB
2.2
μ
F
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
μ
F
CB
2.2
μ
F
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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