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ADC102S021 数据表(PDF) 9 Page - Texas Instruments |
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ADC102S021 数据表(HTML) 9 Page - Texas Instruments |
9 / 28 page 2 1 f 2 6 f 2 2 f 10 ‡ A A + + A log 20 = THD ADC102S101 www.ti.com SNAS287G – FEBRUARY 2005 – REVISED MARCH 2013 TOTAL HARMONIC DISTORTION (THD) is the ratio, expressed in dB or dBc, of the rms total of the first five harmonic components at the output to the rms level of the input signal frequency as seen at the output. THD is calculated as where • Af1 is the RMS power of the input frequency at the output and Af2 through Af6 are the RMS power in the first 5 harmonic frequencies. Accurate THD measurement requires a spectrally pure sine wave (monotone) at the ADC input. (2) THROUGHPUT TIME is the minimum time required between the start of two successive conversion. It is the acquisition time plus the conversion time. In the case of the ADC102S101, this is 16 SCLK periods. Copyright © 2005–2013, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: ADC102S101 |
类似零件编号 - ADC102S021 |
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类似说明 - ADC102S021 |
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