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參數(shù)資料
| 型號(hào)： | P2010A-08ST |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | XO, clock |
| 英文描述： | OTHER CLOCK GENERATOR, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大小： | 457K |
| 代理商： | P2010A-08ST |
November 2003
P2010A
rev F
Low Frequency EMI Reduction IC
3 of 9
Notice: The information in this document is subject to change without notice.
Spread Spectrum Selection
Table 1 illustrates the possible spread spectrum options. The optimal setting should minimize system EMI to the
fullest without affecting system performance. The spreading is described as a percentage deviation of the
center frequency (Note: the center frequency is the frequency of the external reference input on CLKIN, Pin 1).
Example of a typical printer or scanner application that operates on a clock frequency of 16 MHz:
A spreading selection of FS0=1 and SR0=1 provides a percentage deviation of +/-2.50%* (see Table 1) of Fcen.
This results in the frequency on ModOUT being swept from 16.40 MHz to 15.60 MHz at a modulation rate of
33.33 KHz (see Table 1). This particular example (see Figure below) given here is a common EMI reduction
method for scanner, printer, or embedded applications and has already been adopted by most of the leading
manufacturers.
NOTE: Spreading range selection varies from different system manufacturers and their designs.
P2010 Application Schematic for Flat-Bed Scanner
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| P201D-5R | SPECIALTY OPTOELECTRONIC DEVICE |
| P2041AG-08ST | OTHER CLOCK GENERATOR, PDSO8 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| P2010A-08TR | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Frequency EMI Reduction IC |
| P2010A-08TT | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Frequency EMI Reduction IC |
| P2010AF-08SR | 制造商:ON Semiconductor 功能描述: |
| P2010AF-08ST | 制造商:PULSECORE 制造商全稱:PulseCore Semiconductor 功能描述:Low Frequency EMI Reduction IC |
| P2010AF-08TR | 制造商:PULSECORE 制造商全稱:PulseCore Semiconductor 功能描述:Low Frequency EMI Reduction IC |
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