參數(shù)資料
型號(hào)： SA58670BS
廠(chǎng)商： NXP Semiconductors N.V.
元件分類(lèi)： 音頻放大器
英文描述： 2.1 W-channel stereo class-D audio amplifier
封裝： SA58670BS<SOT917-1 (HVQFN20)|<<http://www.nxp.com/packages/SOT917-1.html<1<Always Pb-free,;
文件頁(yè)數(shù)： 1/25頁(yè)
文件大?。?/td> 167K
代理商： SA58670BS
1.
General description
The SA58670 is a stereo, lter-free class-D audio amplier which is available in an
HVQFN20 package with the exposed Die Attach Paddle (DAP).
The SA58670 features independent shutdown controls for each channel. The gain may be
set at 6 dB, 12 dB, 18 dB or 24 dB with gain select pins G0 and G1. Improved immunity to
noise and RF rectication is increased by high PSRR and differential circuit topology. Fast
start-up time and small package makes it an ideal choice for both cellular handsets and
PDAs.
The SA58670 delivers 1.4 W/channel at 5.0 V and 720 mW/channel at 3.6 V into 8
. It
delivers 2.1 W/channel at 5.0 V into 4
. The maximum power efciency is excellent at
70 % to 74 % into 4
and 84 % to 88 % into 8 . The SA58670 provides thermal and
short-circuit shutdown protection.
2.
Features
I Output power:
N 2.1 W/channel into 4 at 5.0 V
N 1.4 W/channel into 8 at 5.0 V
N 720 mW/channel into 8 at 3.6 V
I Supply voltage: 2.5 V to 5.5 V
I Independent shutdown control for each channel
I Selectable gain: 6 dB, 12 dB, 18 dB and 24 dB
I High SVRR: 77 dB at 217 Hz
I Fast start-up time: 3.5 ms
I Low supply current
I Low shutdown current
I Short-circuit and thermal protection
I Space savings with 4 mm × 4 mm HVQFN20 package
I Low junction to ambient thermal resistance of 24 K/W with exposed DAP
3.
Applications
I Wireless and cellular handset and PDA
I Portable DVD player
I USB speaker
I Notebook PC
I Portable radio and gaming
SA58670
2.1 W/channel stereo class-D audio amplier
Rev. 03 — 11 June 2009
Product data sheet
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SA58670BS,115 功能描述:音頻放大器 2.1W/CH CLASS D RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)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
SA58670BS-G 功能描述:音頻放大器 2.1W/CH CLASS D AUDIO AMP RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)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
SA58671 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:1.2 W/channel stereo class-D audio amplifier
SA58671UK 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:1.2 W/channel stereo class-D audio amplifier
SA58671UK,027 功能描述:音頻放大器 1.2W/CH CLASS D RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)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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