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參數(shù)資料
| 型號： | SA58670 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 2.1 W/channel stereo Class D audio amplifier |
| 中文描述： | 2.1瓦/聲道立體聲D類音頻放大器 |
| 文件頁數(shù)： | 1/18頁 |
| 文件大?。?/td> | 142K |
| 代理商： | SA58670 |
1.
General description
The SA58670 is a stereo, filter-free Class D audio amplifier 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 utilizing G0 and G1 gain select pins. Improved
immunity to noise and RF rectification 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 V and 720 mW/channel at 3.6 V into 8
. It
delivers 2.1 W/channel at 5 V into 4
. The maximum power efficiency 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
Output power
2.1 W/channel into 4
at 5 V
1.4 W/channel into 8
at 5 V
720 mW/channel into 8
at 3.6 V
Power supply range: 2.5 V to 5.5 V
Independent shutdown control for each channel
Selectable gain of 6 dB, 12 dB, 18 dB and 24 dB
High PSSR: 77 dB at 217 Hz
Fast start-up time of 3.5 ms
Low supply current
Low shutdown current
Short-circuit and thermal protection
Space savings with 4 mm
×
4 mm HVQFN20 package
Low junction to ambient thermal resistance of 24 K/W with exposed die attach paddle
3.
Applications
Wireless and cellular handsets and PDAs
Portable DVD player
USB speakers
Notebook PC
Portable radio and gaming
SA58670
2.1 W/channel stereo Class D audio amplifier
Rev. 01 — 22 June 2007
Objective data sheet
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| SA58780 | Sense current amplifier with selectable gain |
| SA594 | Vacuum fluorescent display driver |
| SA594D | Vacuum fluorescent display driver |
| SA594F | Vacuum fluorescent display driver |
| SA594N | Vacuum fluorescent display driver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SA58670_08 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2.1 W/channel stereo class-D audio amplifier |
| SA58670A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2.1 W/channel stereo class-D audio amplifier |
| SA58670ABS | 制造商:NXP Semiconductors 功能描述:AMP AUDIO 2.1W STER D 20HVQFN 制造商:NXP Semiconductors 功能描述:AMP, AUDIO, 2.1W, STER, D, 20HVQFN |
| SA58670ABS,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 |
| SA58670ABS115 | 制造商:NXP Semiconductors 功能描述:IC AUDIO AMP D 2.1W QFN-20 |
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