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AD7656BSTZ-1 参数 Datasheet PDF下载

AD7656BSTZ-1图片预览
型号: AD7656BSTZ-1
PDF下载: 下载PDF文件 查看货源
内容描述: [6-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQFP64, ROHS COMPLIANT, MS-026BCD, LQFP-64]
分类和应用: 信息通信管理转换器
文件页数/大小: 33 页 / 1977 K
品牌: ROCHESTER [ Rochester Electronics ]
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Data Sheet  
AD7656-1/AD7657-1/AD7658-1  
Figure 19 shows the power supply rejection ratio vs. supply  
ripple frequency for the AD7656-1/AD7657-1/AD7658-1. The  
power supply rejection ratio is defined as the ratio of the power  
in the ADC output at full-scale frequency, f, to the power of a  
200 mV p-p sine wave applied to the VDD and VSS supplies of the  
ADC at a frequency sampled, fSAMPLE, as follows:  
% FSR  
%FSR is calculated using the full theoretical span of the ADC.  
PSRR (dB) = 10 log(Pf/PfS)  
where:  
Pf is equal to the power at Frequency f in the ADC output.  
PfS is equal to the power at Frequency fSAMPLE coupled onto the  
V
DD and VSS supplies.  
Rev. D | Page 19 of 32  
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