參數(shù)資料
型號(hào): LMP90080MHE/NOPB
廠(chǎng)商: NATIONAL SEMICONDUCTOR CORP
元件分類(lèi): 模擬信號(hào)調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO28
封裝: LEAD FREE, PLASTIC, MO-153, TSSOP-28
文件頁(yè)數(shù): 41/62頁(yè)
文件大?。?/td> 1721K
代理商: LMP90080MHE/NOPB
30169796
FIGURE 38. Topology #2: 3-wire RTD Using 1 Current Source
Figure 38 shows the second topology for a 3-wire RTD appli-
cation. Topology #2 shows the same connection as topology
#1, but without IB2. Although this topology eliminates a cur-
rent source, it requires two channel measurements as shown
in Equation 4.
Equation 4 — VIN Equation for Topology #2
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LMP90080/LMP90079/LMP90078/LMP90077
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