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參數(shù)資料
| 型號： | TDA8939 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Zero dead time Class-D 7.5 A power comparator |
| 中文描述： | 零死時(shí)間D類7.5甲功率比較 |
| 文件頁數(shù)： | 1/21頁 |
| 文件大?。?/td> | 99K |
| 代理商： | TDA8939 |
1.
General description
Zero dead time Class-D 7.5 A power comparator
The TDA8939 is a power comparator designed for use in a high efficiency class-D audio
power amplifier system.
It contains power switches, drive logic, protection circuitry, bias circuitry and a fully
differential input stage (comparator).
This device is optimized for applications in fully digital open-loop class-D audio systems
(in combination with a digital PWM controller).
The TDA8939 power comparator operates with high efficiency and low dissipation. The
system operates over a wide supply voltage range from
±
10 V up to
±
30 V.
2.
Features
I
Zero dead time switching
I
Maximum output current 7.5 A
I
Standby mode
I
High efficiency
I
Operating voltage from
±
10 V to
±
30 V (symmetrical) or 20 V to 60 V (asymmetrical)
I
Low quiescent current
I
High output power
I
Diagnostic output
I
Thermal protection, current protection and voltage protection.
3.
Applications
I
Television sets
I
Home-sound sets
I
Multimedia systems
I
All mains fed audio systems
I
Car audio (boosters).
TDA8939
Zero dead time Class-D 7.5 A power comparator
Rev. 01 — 22 April 2004
Objective data sheet
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| TDA8939TH | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Zero dead time Class-D 7.5 A power comparator |
| TDA8939TH/N1,518 | 制造商:NXP Semiconductors 功能描述: |
| TDA8941 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:1.5 W mono Bridge Tied Load BTL audio amplifier |
| TDA8941P | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:1.5 W mono Bridge Tied Load BTL audio amplifier |
| TDA8941P/N1,112 | 功能描述:音頻放大器 1X1.5W AUDIO 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 |
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