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參數(shù)資料
| 型號(hào)： | TAS5631PHDR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | AUDIO AMPLIFIER, PQFP64 |
| 封裝： | GREEN, PLASTIC, HTQFP-64 |
| 文件頁數(shù)： | 7/34頁 |
| 文件大?。?/td> | 1823K |
| 代理商： | TAS5631PHDR |
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www.ti.com
SLES221C – JULY 2009 – REVISED APRIL 2010
APPLICATION INFORMATION
PCB MATERIAL RECOMMENDATION
FR-4 2-oz. (70 mm) glass epoxy material is recommended for use with the TAS5631. 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, 1000 mF, 63 V support more applications.
The PVDD capacitors should be the 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 0.1-mF capacitor 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 63 V is required for use with a 50-V
power supply.
SYSTEM DESIGN RECOMMENDATIONS
The following schematics and PCB layouts illustrate best practices in the use of the TAS5631.
Copyright 2009–2010, Texas Instruments Incorporated
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Product Folder Link(s): TAS5631
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TAS564K015P1A | 制造商:Cornell Dubilier Electronics 功能描述:Cap Tant Solid 0.56uF 15V 10% (3.43 X 7.26mm) Axial 125°C T/R |
| TAS564K020P1A | 制造商:Cornell Dubilier Electronics 功能描述:CAPACITOR TANT, 0.56UF, 20V, AXIAL 10%, Product Range:CORNELL DUBILIER - TAS Ser 制造商:Cornell Dubilier Electronics 功能描述:Cap Tant Solid 0.56uF 20V 10% (3.43 X 7.26mm) Axial 125°C T/R |
| TAS564K034P0A | 制造商:Cornell Dubilier Electronics 功能描述: 制造商:Mallory Sonalert Products Inc 功能描述: |
| TAS564K035P1A | 制造商:Cornell Dubilier Electronics 功能描述:CAPACITOR TANT, 0.56UF, 35V, AXIAL 10%, Product Range:CORNELL DUBILIER - TAS Ser 制造商:Cornell Dubilier Electronics 功能描述:Cap Tant Solid 0.56uF 35V 10% (3.43 X 7.26mm) Axial 125°C T/R |
| TAS564K050P1A | 制造商:Kemet 功能描述:AT456X050 DC/NA N15D8C 制造商:Cornell Dubilier Electronics 功能描述:CAPACITOR TANT, 0.56UF, 50V, AXIAL 10%, Product Range:CORNELL DUBILIER - TAS Ser 制造商:Cornell Dubilier Electronics 功能描述:Cap Tant Solid 0.56uF 50V 10% (3.43 X 7.26mm) Axial 125°C T/R |
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