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| 型號(hào)： | TPA3124D2PWPR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | AUDIO AMPLIFIER, PDSO24 |
| 封裝： | PLASTIC, HTSSOP-24 |
| 文件頁(yè)數(shù)： | 15/29頁(yè) |
| 文件大小： | 859K |
| 代理商： | TPA3124D2PWPR |
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SE Input and SE Output (TPA3124D2 Stereo Configuration)
VGEN
CIN
CL
RIN
RGEN
Twisted-PairWire
Generator
EvaluationModule
AudioPower
Amplifier
Twisted-PairWire
RL
RANA
CANA
Analyzer
RANA
CANA
Lfilt
Cfilt
SLOS578 – MAY 2008........................................................................................................................................................................................................ www.ti.com
The SE input and output configuration is used with class-AB amplifiers. A block diagram of a fully SE
measurement circuit is shown in Figure 35. SE inputs normally have one input pin per channel. In some cases,
two pins are present; one is the signal and the other is ground. SE outputs have one pin driving a load through
an output ac-coupling capacitor and the other end of the load is tied to ground. SE inputs and outputs are
considered to be unbalanced, meaning one end is tied to ground and the other to an amplifier input/output.
The generator should have unbalanced outputs, and the signal should be referenced to the generator ground for
best results. Unbalanced or balanced outputs can be used when floating, but they may create a ground loop that
affects the measurement accuracy. The analyzer should have balanced inputs to cancel out any common-mode
noise in the measurement.
Figure 35. SE Input—SE Output Measurement Circuit
The following general rules should be followed when connecting to APAs with SE inputs and outputs:
Use an unbalanced source to supply the input signal.
Use an analyzer with balanced inputs.
Use twisted-pair wire for all connections.
Use shielding when the system environment is noisy.
Ensure the cables from the power supply to the APA, and from the APA to the load, can handle the large
currents (see Table 5).
22
Copyright 2008, Texas Instruments Incorporated
Product Folder Link(s): TPA3124D2
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| TPA3124D2PWP | AUDIO AMPLIFIER, PDSO24 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPA3124D2PWPRG4 | 功能描述:音頻放大器 15W Stereo Class-D Pwr Amp 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 |
| TPA3125D2 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:10-W STEREO CLASS-D AUDIO POWER AMPLIFIER |
| TPA3125D2EVM | 功能描述:音頻 IC 開發(fā)工具 TPA3125D2EVM 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 |
| TPA3125D2N | 功能描述:音頻放大器 10W Stereo Class-D Audio Pwr Amp 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 |
| TPA3128D2DAP | 功能描述:IC AUDIO AMP CLASS D 32HTSSOP 制造商:texas instruments 系列:- 包裝:管件 零件狀態(tài):在售 類型:D 類 輸出類型:2 通道（立體聲） 不同負(fù)載時(shí)的最大輸出功率 x 通道數(shù):30W x 2 @ 8 歐姆 電壓 - 電源:4.5 V ~ 26 V 特性:短路保護(hù) 安裝類型:表面貼裝 工作溫度:-40°C ~ 85°C（TA） 供應(yīng)商器件封裝:32-HTSSOP 封裝/外殼:32-TSSOP（0.240"，6.10mm 寬）裸露焊盤 標(biāo)準(zhǔn)包裝:46 |
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