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參數(shù)資料
| 型號： | TAS5612DKD |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 125 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO44 |
| 封裝： | PLASTIC, HSSOP-44 |
| 文件頁數(shù)： | 6/26頁 |
| 文件大小： | 1718K |
| 代理商： | TAS5612DKD |
SLAS710 – JUNE 2010
www.ti.com
APPLICATION INFORMATION
PCB MATERIAL RECOMMENDATION
FR-4 Glass Epoxy material with 2oz. (70mm) is recommended for use with the TAS5612A. The use of this
material can provide for higher power output, improved thermal performance, and better EMI margin (due to
lower PCB trace inductance.
PVDD CAPACITOR RECOMMENDATION
The large capacitors used in conjunction with each full-bridge, are referred to as the PVDD Capacitors. These
capacitors should be selected for proper voltage margin and adequate capacitance to support the power
requirements. In practice, with a well designed system power supply, 1000mF, 50V support more applications.
The PVDD capacitors should be low ESR type because they are used in a circuit associated with high-speed
switching.
DECOUPLING CAPACITOR RECOMMENDATION
To design an amplifier that has robust performance, passes regulatory requirements, and exhibits good audio
performance, good quality decoupling capacitors should be used. In practice, X7R should be used in this
application.
The voltage of the decoupling capacitors should be selected in accordance with good design practices.
Temperature, ripple current, and voltage overshoot must be considered. This fact is particularly true in the
selection of the 0.1mF that is placed on the power supply to each half-bridge. It must withstand the voltage
overshoot of the PWM switching, the heat generated by the amplifier during high power output, and the ripple
current created by high power output. A minimum voltage rating of 50V is required for use with a 32.5v power
supply.
SYSTEM DESIGN RECOMMENDATIONS
The following schematics and PCB layouts illustrate best practices in the use of the TAS5612A.
14
Copyright 2010, Texas Instruments Incorporated
Product Folder Link(s): TAS5612A
相關PDF資料 |
PDF描述 |
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| TAS5612PHD | 125 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP64 |
| TAS5612PHDR | 125 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP64 |
| TAS5613ADKD | 150 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO44 |
| TAS5613PHDR | 150 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP64 |
| TAS5613PHD | 150 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP64 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TAS5612L | 制造商:TI 制造商全稱:Texas Instruments 功能描述:TAS5612L-TAS5614LDDVEVM |
| TAS5612LA | 制造商:TI 制造商全稱:Texas Instruments 功能描述:125-W Stereo / 250-W Mono PurePath? HD Digital-Input Class-D Power Stage |
| TAS5612LADDV | 功能描述:音頻放大器 125W St/250W Mono HD Dig-In Pwr Stage 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TAS5612LADDVR | 功能描述:音頻放大器 125W St/250W Mono HD Dig-In Pwr Stage 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TAS5612PHD | 功能描述:音頻放大器 125W Stereo/250W Mono PurePath 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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