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參數(shù)資料
| 型號(hào)： | NCP2820MUTBG |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 10/21頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC PWR AMP AUD 2.65W D 8UDFN |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | D 類 |
| 輸出類型： | 1-通道（單聲道） |
| 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： | 2.65W x 1 @ 4 歐姆 |
| 電源電壓： | 2.5 V ~ 5.5 V |
| 特點(diǎn)： | 消除爆音，差分輸入，短路和熱保護(hù)，關(guān)閉 |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 8-UDFN（2x2.2） |
| 封裝/外殼： | 8-UFDFN 裸露焊盤 |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱： | NCP2820MUTBGOSDKR |
NCP2820 Series
http://onsemi.com
18
Figure 45. Silkscreen Layer of the UDFN8 Evaluation Board
PCB Layout Information
NCP2820 is suitable for low cost solution. In a very small
package it gives all the advantages of a ClassD audio
amplifier. The required application board is focused on low
cost solution too. Due to its fully differential capability, the
audio signal can only be provided by an input resistor. If a
low pass filtering function is required, then an input
coupling capacitor is needed. The values of these
components determine the voltage gain and the bandwidth
frequency. The battery positive supply voltage requires a
good decoupling capacitor versus the expected distortion.
When the board is using Ground and Power planes with
at least 4 layers, a single 4.7
mF filtering ceramic capacitor
on the bottom face will give optimized performance.
A 1.0
mF low ESR ceramic capacitor can also be used with
slightly degraded performances on the THD+N from 0.06%
up to 0.2%.
In a two layers application, if both Vp pins are connected
on the top layer, a single 4.7
mF decoupling capacitor will
optimize the THD+N level.
The NCP2820 power audio amplifier can operate from
2.5 V until 5.5 V power supply. With less than 2% THD+N,
it delivers 500 mW rms output power to a 8.0
W load at
Vp =3.0 V and 1.0 W rms output power at Vp = 4.0 V.
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| NCP2821 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:2.65 W Filterless with Selectable Gain Class−D Audio Amplifier |
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| NCP2823AFCT2G | 功能描述:音頻放大器 GRESHAM FCI 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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