參數(shù)資料
型號: 7805ALPRPFB
廠商: MAXWELL TECHNOLOGIES
元件分類: ADC
英文描述: 1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, DFP28
封裝: RAD-PAK, LDFP-28
文件頁數(shù): 21/34頁
文件大?。?/td> 605K
代理商: 7805ALPRPFB
Memory
PRELIMINARY
28
All data sheets are subject to change without notice
2001 Maxwell Technologies
All rights reserved.
16-Bit Latchup Protected ADC
7805ALP
12.19.01 Rev 6
1000583
TABLE 22. OFFSET BINARY CODE TABLE FOR MAIN DAC
NOTE: The span range is (30/16) x VBIAS = 1.875 x VBIAS
FIGURE 24. MAIN DAC OUTPUT VOLTAGE VS. DAC INPUT CODES (HEX) FOR OFFSET BINARY CODING
Figure 24 shows the Main DAC transfer function when offset binary coding is used. With offset binary coding selected
the output voltage can be calculated as follows:
VOUT' = VBIAS + 1.875 x VBIAS x ((NA-512)/1024)
where NA is the decimal equivalent of the offset binary input code. NA ranges from 0 to 1023.
Table 23 shows the offset binary transfer function for the Sub DAC. Figure 26 shows the Sub DAC transfer function for
offset binary coding. Any Sub DAC output voltage can be expressed as:
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