參數(shù)資料
型號: 9042RPFK
廠商: MAXWELL TECHNOLOGIES
元件分類: ADC
英文描述: 12-Bit, 41 MSPS A/D Converter
中文描述: 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, DFP28
封裝: LDFP-28
文件頁數(shù): 21/26頁
文件大?。?/td> 396K
代理商: 9042RPFK
M
21
All data sheets are subject to change without notice
2005 Maxwell Technologies
All rights reserved.
12-Bit, 41 MSPS A/D Converter
9042
01.07.05 REV 7
Figure 26. Analog Input Offset by +2.4 V Reference
Although the 9042 may be used in many applications, it was specifically designed for communications systems which
must digitize wide signal bandwidths. As such, the analog input was designed to be ac-coupled. Since most communi-
cations products do not down-convert to dc, this should not pose a problem One example of a typical analog input cir-
cuit is shown below In this application, the analog input is coupled with a high quality chip capacitor, the value of which
can be chosen to provide a low frequency cutoff that is consistent with the signal being sampled; in most cases, a 0.1
mF chip capacitor will work well.
Figure 27. AC-Coupled Analog Input Signal
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