參數(shù)資料
型號: IRMCK203
廠商: International Rectifier
英文描述: High Performance Sensorless Motion Control IC
中文描述: 高性能運動控制芯片傳感器
文件頁數(shù): 14/57頁
文件大?。?/td> 400K
代理商: IRMCK203
IRMCK203
PLL Clock Circuitry
The IRMCK203 contains a PLL that creates a 2X and 4X clock from the input 33.33 MHz input clock pin. There
are a number of pins on the IC allocated for factory testing purposes that need to be
connected to VSS.
Table 2 shows required PCB signal connections for these pins.
Pin Number
1
7
Table 2: PLL Test Pin Assignments
Low Pass Filter
The low pass filter for this PLL resides between the CHGO and LPVSS pins. Three passive components are
required to implement this filter: Cp, Rp and Cs.
Figure 5 shows how to place these components around the IC.
A shield should be placed below Rp, Cp and Cs made out of copper etch.
This document is the property of International Rectifier and may not be copied or distributed without expressed consent.
14
PCB Connection
VSS
VSS
CHGO
LPVSS
Rp
Cp
Cs
IRM CK203
Shielded by LPVSS
Figure 5: PLL Low Pass Filter Shielding
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相關代理商/技術參數(shù)
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