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參數資料
型號: TPA0312PWPRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO24
封裝: GREEN, PLASTIC, HTSSOP-24
文件頁數: 9/36頁
文件大小: 791K
代理商: TPA0312PWPRG4
www.ti.com
APPLICATION INFORMATION
SELECTION OF COMPONENTS
ROUT+
21
R
MUX
RHPIN
RLINEIN
+
23
20
CIRHP
0.47
F
Right
Head
phone
Input
Signal
CIRLINE
0.47
F
Right
Line
Input
Signal
CRIN
0.47
F
8
RIN
ROUT
16
+
1 k
COUTR
330
F
100 k
L
MUX
LHPIN
LLINEIN
5
6
CILHP
0.47
F
Left
Head
phone
Input
Signal
CILLINE
0.47
F
Left
Line
Input
Signal
CLIN
0.47
F
10
LIN
1 k
COUTL
330
F
VDD
100 k
Depop
Circuitry
Power
Management
PVDD
18
VDD
19
BYPASS
11
SHUT
DOWN
22
GND
LOUT+
4
+
LOUT
9
+
CBYP
0.47
F
1, 12,
13, 24
To
System
Control
CSR
0.1
F
VDD
CSR
0.1
F
VDD
See Note A
PC-
Beep
PC-BEEP
14
PC-BEEP
Input
Signal
Gain/
MUX
Control
GAIN0
GAIN1
2, 3
17
SE/BTL
15
Volume
Control
Volume
Control
Volume
Control
Volume
Control
HP/LINE
CPCB
0.47
F
TPA0312
SLOS335A – DECEMBER 2000 – REVISED OCTOBER 2004
Figure 37 and Figure 38 are schematic diagrams of typical notebook computer application circuits.
A.
A 0.1-F ceramic capacitor should be placed as close as possible to the IC. For filtering lower frequency noise
signals, a larger electrolytic capacitor of 10 F or greater should be placed near the audio power amplifier.
Figure 37. Typical TPA0312 Application Circuit Using Single-Ended Inputs and Input MUX
17
相關PDF資料
PDF描述
TPA032D02DCAR 10 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO48
TPA032D02DCA 10 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO48
TPA032D02DCAG4 10 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO48
TPA032D02DCARG4 10 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO48
TPA032D03DCAR 10 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO48
相關代理商/技術參數
參數描述
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TPA032D01DCA 制造商:Texas Instruments 功能描述:IC SM POWER AMP CLASS-D AUDIO
TPA032D01DCAR 功能描述:音頻放大器 Class-D Audio Power Amplifier RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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