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CN0355 Software User Guide2018/10/16WIKI
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Gain | R19/R20/R21 RF Feedback | P5 | P6 | P7 |
5.02 | 40.2k⊠| Short | Open | Open |
10.1 | 91k⊠| Open | Short | Open |
15 | 140k⊠| Open | Open | Short |
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100Ωã®çœéRTDãäžè¬çã§ããããã以å€ã®æµæå€ïŒ200Ωã500Ωã1000Ωãªã©ïŒãçŽ æïŒããã±ã«ãé ãéããã±ã«åéïŒãæå®ããããšãã§ããŸãããã®ã¢ããªã±ãŒã·ã§ã³ã§ã¯ã100Ωã®DIN 43,760ã¯ã©ã¹Aã®RTDã䜿çšããŠããŸãã

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Component | Consumptions (mA) |
ADA4096-2 | 0.150 |
AD8420 | 0.080 |
AD7793 | 0.400 |
Excitation Current (R6) | 0.210 |
R19 and R8 Current | 0.104 |
Total | 0.994 |
Honeywellã®NSCSANN600MGUNVå§åã»ã³ãµãŒã«ã¯çŽ3kΩã®ã€ã³ããŒãã³ã¹ããããããã«ãã衚3ã®ç·æ¶è²»é»æµã«çŽ3.36mAãå ãããŸãã
ã·ã¹ãã ã®æ¶è²»é»æµã¯ã1kΩã®ãããªå€§ããªRTDæµæå€ã䜿çšããŠ10ÎŒAã®ãããªå°ããªé»æµã§RTDãé§åããããšã«ãããããã«æžããããšãã§ããŸãã
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Error Component | Error | Error Value | Error % FSR |
AD8420 ADA4096-2 (1/2, G=10) ADA4096-2 (1/2, G=1) AD7793 (Internal Ref) |
Offset Gain Offset Offset Offset |
250 µV 0.05% 3 mV 300 µV 0.01% |
0.025% 0.050% 0.300% 0.030% 0.010% |
RSS Offset RSS Gain RSS FSR Error |
0.060% 0.060% 0.110% |
||
Max Offset Max Gain Max FSR Error |
0.365% 0.050% 0.415% |
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- ãªãã»ãã誀差= 0.365% + 0.1400% = 0.505%
- ã²ã€ã³èª€å·®= 0.050% + 0.1400% = 0.190%
- ãã«ã¹ã±ãŒã«èª€å·®= 0.415% + 0.1400% = 0.555%
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