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AK1542A 参数 Datasheet PDF下载

AK1542A图片预览
型号: AK1542A
PDF下载: 下载PDF文件 查看货源
内容描述: 20〜 600MHz的整数N频率合成器 [20 to 600MHz Integer-N Frequency Synthesizer]
分类和应用:
文件页数/大小: 37 页 / 998 K
品牌: AKM [ ASAHI KASEI MICROSYSTEMS ]
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[AK1542A]  
13. Power-up Sequence  
1. Power-up Sequence (Recommended)  
PVDD,CPVDD  
PDN1  
T> 0  
50s  
1.8V  
On-chip LDO  
0V  
(1.8V)  
Refin  
Dont care  
input  
Internal resiter values are set  
Registers can be written  
Write the data in all  
Write to the register  
addresses of the register  
PDN2(PLL)  
HiZ  
CP  
Output  
Fig. 12 Recommended Power Sequence  
Note 1) The initial register values are not defined. Therefore, even after [PDN1] is set to High, each bit value remains  
undefined. In order to set all register values, it is required to write the data in all addresses of the register.  
MS1399-E-00  
2012/3  
- 31 -  
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