參數(shù)資料
型號(hào)： TPA0103PWPRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： 2.1 W, 3 CHANNEL, AUDIO AMPLIFIER, PDSO24
封裝： GREEN, PLASTIC, HTSSOP-24
文件頁數(shù)： 20/43頁
文件大?。?/td> 1123K
代理商： TPA0103PWPRG4
TPA0103
1.75-W 3-CHANNEL STEREO AUDIO POWER AMPLIFIER
SLOS167A – JULY 1997 – REVISED MARCH 2000
27
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
For example, if the 5-V supply is replaced with a 3.3-V supply (TPA0103 has a maximum recommended VDD
of 5.5 V) in the calculations of Table 1 then efficiency at 0.5 W would rise from 44% to 67% and internal power
dissipation would fall from 0.62 W to 0.25 W at 5 V. Then for a stereo 0.5-W system from a 3.3-V supply, the
maximum draw would only be 1.5 W as compared to 2.24 W from 5 V. In other words, use the efficiency analysis
to chose the correct supply voltage and speaker impedance for the application.
selection of components
Figure 62 and Figure 63 are a schematic diagrams of typical computer application circuits.
CB
Left
MUX
LHPIN
LLINEIN
+
–
BYPASS
COUT+
COUT –
MODE A
HP/LINE
RFC
CFC
RIL
RFL
VDD
RM1
100 k
RM2
100 k
MODE B
VDD
CNTL
COUTR
RM3
1 k
Right
MUX
COUTL
RHPIN
RLINEIN
NC
RFR
RIR
CIL
CIR
RIRC
RILC
+
–
+
–
MUTE OUT
NC
SHUTDOWN
CIN
10
6
19
9
8
20
21
5
4
15
14
11
7, 18
16
22
3
ROUT
LOUT
GND/HS
1, 12, 13, 24
Internal
Speaker
VDD
Figure 62. TPA0103 Minimum Configuration Application Circuit
相關(guān)PDF資料
PDF描述
TPA0112PWPR 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO24
TPA0112PWP 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO24
TPA0112PWPG4 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO24
TPA0112PWPRG4 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO24
TPA0122PWPG4 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO24
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPA0112 制造商:TI 制造商全稱:Texas Instruments 功能描述:2-W STEREO AUDIO POWER AMPLIFIER WITH FOUR SELECTABLE GAIN SETTINGS
TPA0112EVM 功能描述:音頻 IC 開發(fā)工具 TPA0112 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V
TPA0112PWP 功能描述:音頻放大器 2W Stereo A RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TPA0112PWPG4 功能描述:音頻放大器 2W Stereo A RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TPA0112PWPR 功能描述:音頻放大器 St 2W APA With Int Gain Settings RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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