參數(shù)資料
型號: TS83102G0BMGS
廠商: ATMEL CORP
元件分類: ADC
英文描述: 1-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, CBGA152
封裝: HERMATIC, CI-CGA-152
文件頁數(shù): 22/52頁
文件大?。?/td> 1548K
代理商: TS83102G0BMGS
29
5360A–BDC–06/05
TS83102G0BMGS
Without ADC input referred thermal noise:
ENOB = 9.2 bits
SINAD = 57 dB
THD = -55.7 dB (over 25 harmonics)
SFDR = -62.6 dBc
SNR = 57.3 dB
Conclusion:
Though the ENOB is 7.8 bits (in this example at 1.4 Gsps Nyquist conditions), the ADC features
a 10-bit linearity regarding the 60 dB typical SFDR performance.
However, it has to be pointed out that the ENOB is actually limited by the ADC’s input referred
thermal noise, which dominates the rms quantization noise. For certain applications (using a
spread spectrum) the signal may be recovered below the thermal noise floor (by cross correla-
tion since it is white noise).
Therefore, the thermal noise can be extracted from the ENOB: the ENOB without a referred
input thermal noise is 9.2 instead of 7.8 in this example, only limited by the quantization noise
and clock induced jitter.
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