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| Datasheet File OCR Text: |
| ? 1 3 12 9 3 ?a??????a c w431cs ??????????a 1. ?????? CW431CS ?????????????a ?o????1?e????????1???1???a?e ?|?3?o??????1?t??1 ??????a ?3???1?? v k = 2.5v ~ 36v ??? 2?????1??2? 1.0% ???3??1? ?e??a 0.22 ?????|?a 1.0ma ~ 100ma ??? ??a?????a??e???1 ?e??a 50ppm/ ???3???1? ae?? t o - 92 2. 1|????y???? 2.1 1|??? 2.2 y???? y?? ? o? 1| ? y?? ? o? 1| ? 1 r ??1?? 3 k ??? ?3? 2 a ???? ? ?t?y?a???1ye?t1??? ?? ?-????t?yeo?aa 14 o? ?? 0510 5807123 - 5542 ??? 0510 5803016 k a r v ref + -
?a??????a CW431CS ? 2 3 12 9 3 3. ??e? 3 .1 ???t2?y 3y?e1?? t amb = 25 2? y ?? 3? ? o? ?? ? ? ? ?? ?????1 v ka 37 v ?e????? i ka - 100 ~ 150 ma ??????? i ref - 0.05 ~ 10 ma 1|o? p d 775 mw 1??3?a? t amb 0 ~ 75 ???a? t stg - 65 ~ 150 3. 2 ??e? 3y?e1?? t amb = 25 1? ? ? 2? y ?? 3? ? o? 2a ? ? ?t ?e? ?e ?? ??? ?o? ????1 v ref v ka =vref i ka = 10ma 2.440 2.495 2.550 v 4.1 vref ? ?a??? v ref v ka =v ref i ka =10ma t amb = 0 ~ 70 4 25 mv 4.1 ???? ??? i ref i ka = 10ma r 1 = 10k r 2 = 1.8 4.0 u a 4.2 i ka = 10ma v ka = 10v ~ v ref - 1.4 - 2.7 vref ??1?? v ka ??1 v ref / v ka i ka = 10 ma v ka = 36v ~ 10v - 1.0 - 2.0 mv/ v 4.2 ????? ?a??? i ref i ka = 10ma r 1 = 10k r 2 = 0.4 1.2 ua 4.2 ??1?e? ?e????? i min v ka = v ref 0.4 1.0 ma 4.1 1??????? i off v ka = 36v v ref = 0v 2.6 1000 na 4.3 ???3?? r ka v ka = v ref i ka =1.0ma~ 100ma f 1.0khz 0.22 0.5 4 .4 |r ka |= v ka / i k ?a??????a CW431CS ? 3 3 12 9 3 4. 2a???a 4 . 1 2a???a k r a i ka ka v vin v ref k r a i ka v 1k |? 50 |? + - k k r a i ka ka v vin i v r1 r2 v ka =vref(1+r1/r2)+iref ? r1 ref ref k r a v 220 |? 50 |? a?3? l? f=100khz k k r a i off ka v vin ? 4.1 ? 4.2 ? 4.3 ? 4.4 ? 4.5 ?a??????a CW431CS ? 4 3 12 9 3 5. ?e???? -75 -50 -25 0 25 50 75 100 125 2400 2420 2440 2460 2480 2500 2520 2540 2560 2580 2600 vref ? ta ta ( ?? ) vref (mv) v ka =vref i ka =10ma vref=2550mv * vref=2495mv * vref=2440mv * r1=10k r2= i ka =10ma 0 1 2 3 4 5 -75 -50 -25 0 25 50 75 100 125 ta ???? iref ua iref ? ta v ka =vref ta = 25 -2 -1 0 1 2 3 v ka v -100 -75 -50 -25 0 25 50 75 100 125 150 i ka ma i ka ? v ka imin v ka =vref ta = 25 i ka ? v ka -1 0 1 2 3 -200 0 200 400 600 800 v ka v i ka a ?a??????a CW431CS ? 5 3 12 9 3 -75 -50 -25 0 25 50 75 100 125 ta ( ?? ) 0 0.5 1 1.5 2 2.5 ioff ? ta v ka = 36v vref = 0 ioff (ua) v ka = 3v ?? 36v | vref / | v ka ? ta -0.85 -0.95 -1.05 -1.15 -1.25 -1.35 -1.45 -75 -50 -25 0 25 50 75 100 125 ta ( ?? ) | vref / | v ka (mv / v) 100 120 140 160 180 200 220 240 260 10 100 1k 10k 100k io = 10ma ta = 25 ?? vn ? f f (hz) vn ? nv / hz ? 1k 10k 100k 1m 10m f (hz) 0.1 1 10 100 ?| r ka ?| ( |? ) i ka = 10ma ta = 25 ?? ?| r ka ?| ? f input output output ta = 25 ?? -1 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 t (us) ??o?3???1 v a?3??| *??2a???a?4.5 *??2a???a?4.4 ?a??????a CW431CS ? 6 3 12 9 3 6. |???a?|??? 6.1 ????1???|???a ? 6.1 v o ?? 2.5v ~ 36v ?????? v o = v ref 1 + r1 / r2 ???e v ref = 2.5v r o 3e ???1?a v + v o ??12???? r o ??1|o???????? ??1?|va r0 ????1|a 6.2 1y??1?P|???a ? 6.2 ?1y??1???a?e ? v+ 3?1y????1 CW431CS ? 1???1? 22?2?? ?? ????????? ????o???a v t = 1+r1/r2 v ref r1 r2 c r0 k r a l vo v+ r1 r2 k r a vo v+ ?a??????a CW431CS ? 7 3 12 9 3 6.3 o???|???a ? 6.3 ? 6.3 ?a1??o??o?? o???? v ref oa?????e1? 1|a???1???|?e ? ??o???????1??a??? ? ?|??t???1? 6.4 ???|???a ? 6.4 ? 6.4 ?a? cw431 cs 113???? ?????|?? v ref ?a??????1 ? v i n ?a??????a CW431CS ? 8 3 12 9 3 6.6 ?????|???a ? 6.6 ? 6.6 ?a? cw431 cs 3? 400mw 3a???? cw431 cs e?o???a?e? ?? ?1??? ??a|o????? ?????????a?e 6.7 ? cw 7805 cs ?3?a??e113????1?? ? 6.7 ??a?3???1? cw431 cs ?e???? ???3???1????a 5v+2 .5v=7.5v ????1? ?a 7.5v~18v [v ref (1+r1/r2)= 2.5 7.2=18v] 38v 330 360k 56k 10k 1.0 0.047 25k 47k 470 t1 8 |? |? u u u f f f k r a ? 1 3 2 v v gnd in out 7805 vo vin r1 r2 1k 6.2k a r k ?a??????a CW431CS ? 9 3 12 9 3 7. ae?3?? |
Price & Availability of CW431CS
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