澹撳姏鍌虫劅鍣�鏄従(xi脿n)瀵�(sh铆)鐢熸椿涓渶鐐哄父鐢ㄧ殑涓€绋偝鎰熷櫒锛屽叾寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鍚勭ó宸ユキ(y猫)鎺у埗锛屾苯杌婇浕瀛�锛岄啱(y墨)鐧傝ō(sh猫)鍌欙紝鏈枃涓昏閲濆皪鎳�(y墨ng)璁婇浕闃绘儬鏂€氶浕姗嬪紡鍌虫劅鍣ㄧ殑鐢熺敘(ch菐n)妯�(bi膩o)瀹氬仛鍑虹啊瑕佽鏄�锛屽儏渚涘鍔涘偝鎰熷櫒宸ョ▼浜哄摗鍙冭€�銆�

鍌虫劅鍣�鐗规€�

鍦�1鐐虹洿娴侀浕姗嬶紝鐣�(d膩ng)鍓嶈几鍑洪浕闃荤劇闄愬ぇ鏅�锛屽墖鍓嶆⿱鐨勮几鍑哄彲绨″寲濡備笅锛�

鍦�2锛堝乏锛夌偤xxx鍨�澹撳姏鍌虫劅鍣�杓稿嚭鐗规€ф洸绶�銆傚垎鍒ョ偤鍦�-40掳锛�0掳锛�25掳浠ュ強85掳婧害鐠�(hu谩n)澧冧腑娓│闆绘⿱鍦ㄤ笉鍚屽鍔涗笅杓稿嚭銆傚(sh铆)闅涙噳(y墨ng)鐢ㄤ腑鎴戝€戝線寰€鏈熸湜鍌虫劅鍣ㄨ几鍑鸿垏婧害鐒￠棞(gu膩n)涓旂窔鎬�锛屽鍦�2锛堝彸锛�銆傚彈闄愪簬MEMS瑷�(sh猫)瑷堝埗浣滃伐钘�銆佹潗鏂欑墿鐞嗙壒鎬х瓑锛孧EMS鍌虫劅鍣ㄦ湰韬緢闆ｉ仈(d谩)鍒扮悊鎯宠姹�锛屽(sh铆)闅涙噳(y墨ng)鐢ㄤ腑寰€寰€闇€鍦∕EMS鍚庣鍔犲叆淇¤櫉瑾�(di脿o)鐞嗚姱鐗囧皪鍏堕€�(j矛n)琛屾牎婧�(zh菙n)銆�

鐢卞湒2鍙湅鍑�鍌虫劅鍣�杓稿嚭涓嶇悊鎯冲洜绱犱富瑕佹湁锛氶浂榛�(di菐n)婕傜Щ锛坥ffset锛�锛岄潏鏁忓害锛圫ensitivity锛�锛屼互鍙婂叾闈炵窔鎬э紙Nonlinearity锛夈€傚叾涓浂榛�(di菐n)婕傜Щ锛坥ffset锛夊拰闈堟晱搴︼紙Sensitivity锛夊潎鍙楁韩搴﹀奖闊�锛屽嵆楂旂従(xi脿n)鐐烘韩搴︾郴鏁�(sh霉)?锛熺厼璎〆鐢卞涓嬪叕寮忚〃绀猴細

鍏紡1鐐虹悊鎯�鍌虫劅鍣�杓稿嚭鐗规€�锛岃€屽(sh铆)闅涘偝鎰熷櫒鐗规€у墖闇€鍊熷姪浜庡叕寮�2锛�3锛�4鍒嗗垾灏嶉潪绶氭€э紙Nonlinearity锛�锛岄浂榛�(di菐n)婕傜Щ锛坥ffset锛�锛岄潏鏁忓害婕傜Щ锛圫ensitivity锛夐€�(j矛n)琛屾弿杩�銆�

Vout:寮曞叆婧紓銆侀潪绶氭€у悗鐨勫偝鎰熷櫒杓稿嚭

V0锛氶潪绶氭€ф摤鍚堝闋呭紡灞曢枊鍩烘簴(zh菙n)榛�(di菐n)

kn锛歯闅庨潪绶氭€х郴鏁�(sh霉)

Tstand锛氬闋呭紡鎿悎婧害鍩烘簴(zh菙n)榛�(di菐n)

tcn锛氶浂榛�(di菐n)婕傜Щ锛坥ffset锛塶闅庢韩搴︾郴鏁�(sh霉)

tsn锛氶潏鏁忓害锛圫ensitivity锛塶闅庢韩搴︾郴鏁�(sh霉)

淇¤櫉瑾�(di脿o)鐞嗚姱鐗囦粙绱�

鍌虫劅鍣ㄤ俊铏熻(di脿o)鐞嗚姱鐗囬€�?锛熸ⅱ钑村硜顭峰哺钘楅灢琛呴瀾鏉夌槷?sh霉)鎿�(j霉)閫�(j矛n)琛屾斁澶�銆佹牎婧�(zh菙n)鍜屾韩搴﹁(b菙)鍎�?sh霉)澧撐�?锛屽緸鑰屼娇寰楀偝鎰熷櫒鍣ㄤ欢鍏锋湁绌�(w臎n)瀹氬彲闈犻€�(j矛n)琛屽伐浣滐紝骞朵笖浣垮緱鍣ㄤ欢涔嬮枔鍏锋湁鑹ソ鐨勪竴鑷存€�銆傞櫎浣跨敤闆嗘垚寮忕殑淇¤櫉瑾�(di脿o)鐞嗚姱鐗囧锛屽偝绲�(t菕ng)鏂规涔熷彲浠ヤ娇鐢ㄥ鍦嶅垎绔嬮浕璺締瀵�(sh铆)鐝�(xi脿n)鍌虫劅鍣ㄧ殑鏍℃簴(zh菙n)鑸囨(bi膩o)瀹�锛屼絾鏁堢巼浣庝笅锛屼笖鏁堟灉渚濊炒浜庝汉宸ヨ垏缍�(j墨ng)椹楋紝涓嶉仼浜庤(gu墨)妯＄敓鐢�(ch菐n)銆傝€岄€氶亷淇¤櫉瑾�(di脿o)鐞嗚姱鐗囩殑浣跨敤锛岃兘澶犲厤闄ゆ墜宸ユ牎婧�(zh菙n)鐨勭箒闆滃伐浣�锛屽苟涓旀彁楂樺偝鎰熷櫒鍣ㄤ欢鐨勫彲闈犳€�銆傚父瑕嬬殑姗嬪紡淇¤櫉瑾�(di脿o)鐞嗚姱鐗囧瀷铏熷寘鎷痉鍦媄MDI鍏徃鐨刏SC31010锛岀編鍦嬬編淇″叕鍙哥殑MAX1452锛屼互鍙婅槆宸炵磵鑺井闆诲瓙鍏徃鐨凬SA2300銆傛帴涓嬩締鏈枃灏囦互NSA2300鐐轰緥浠嬬垂淇¤櫉瑾�(di脿o)鐞嗚姱鐗囧皪鍌虫劅鍣ㄩ€�(j矛n)琛屾牎婧�(zh菙n)鐨勭浉闂�(gu膩n)瑾槑銆侼SA2300鐐轰竴娆惧皥鐐烘⿱寮忓偝鎰熷櫒鎻愪緵鐨勯珮闆嗘垚銆佷綆鍔熻€椼€侀珮绮惧害鐨勫偝鎰熷櫒淇¤櫉閲囬泦銆佹斁澶у拰鏍℃簴(zh菙n)鐨勫偝鎰熷櫒鎺ュ彛鑺墖锛屽彲浠ョ敤浜庡鍔涘偝鎰熷櫒瑾�(di脿o)鐞�锛岀鍌虫劅鍣ㄨ(di脿o)鐞嗭紝鍚勯鎳�(y墨ng)璁婂紡鍌虫劅鍣ㄦ帴鍙ｇ瓑銆侼SA2300鍙偤鍌虫劅鍣ㄦ彁渚涢浂榛�(di菐n)鍋忕Щ鍙婂叾婧害瑁�(b菙)鍎�锛岄潏鏁忓害鍙婂叾婧害瑁�(b菙)鍎熶互鍙婇潪绶氭€ц(b菙)鍎�锛屼笉闇€瑕佸叾浠栭澶栫殑澶栭儴鍣ㄤ欢鏀寔銆侼SA2300閭勬彁渚涘绋韩搴︽脯閲忔ā寮�锛屽悓鏅傛敮鎸両2C/SPI鏁�(sh霉)瀛楄几鍑哄拰妯℃摤杓稿嚭锛屽苟鍙€氶亷寰�(f霉)鐢ㄦā鎿几鍑哄紩鑵筹紙AOUT锛夐€�(j矛n)琛屽柈绶氭暩(sh霉)瀛楅€氳▕锛圤WI锛�銆�

涓昏鎬ц兘鎸囨(bi膩o)锛�

1銆佽秴瀵殑宸ヤ綔闆诲鑼冨湇锛�1.8V~5.5V

2銆佽秴瀵殑宸ヤ綔婧害鑼冨湇:-40鈩儈125鈩�

3銆佸悓鏅傛敮鎸�24浣岮DC鏁�(sh霉)瀛楄几鍑哄拰12浣岲AC妯℃摤杓稿嚭

4銆佸劒(y艒u)绉€鐨勫櫔鑱叉€ц兘锛�600nV@OSR=1024X,Gain=32X锛堢瓑鏁堝埌杓稿叆鍣伈锛�

5銆佹牎婧�(zh菙n)绮惧害锛�0.05%FSO锛堝悓鏅傛敮鎸佷簩闅庢韩搴︾郴鏁�(sh霉)銆佷笁闅庨潪绶氭€ф牎婧�(zh菙n)锛�

6銆佽秴蹇綁(zhu菐n)鎻涙檪闁擄細2ms@OSR=1024X

7銆佹敮鎸佷紤鐪犲伐浣滄ā寮忥紝澶у箙娓涜紩MCU璨�(f霉)鎿�(d膩n)

8銆�1X-128X鍙畩澧炵泭鐨勪綆鍣伈鏀惧ぇ鍣�

9銆佹敮鎸佸偝鎰熷櫒瑷烘柗鍙婅几鍑虹疂浣嶅姛鑳�

10銆侀珮绮惧害鍏�(n猫i)閮ㄦ韩搴﹀偝鎰熷櫒锛堢禃灏嶇簿搴�<0.5鈩�锛屽垎杈ㄧ巼<0.01鈩冿級

11銆佹敮鎸佸绋閮ㄦ韩搴﹀偝鎰熷櫒锛堜簩妤电锛屼簩绔�銆佷笁绔啽鏁忛浕闃荤瓑锛�

12銆佹敮鎸両2C/SPI涓茶閫氫俊鎺ュ彛

13銆佹敮鎸佸柈绶氱法绋嬶紙寰�(f霉)鐢ㄦā鎿几鍑哄紩鑵筹級

NSA2300鏍℃簴(zh菙n)鍘熺悊锛�

NSA2300鍙垎鍒ュ皪闆堕粸(di菐n)婕傜Щ锛坥ffset锛�锛岄潏鏁忓害锛圫ensitivity锛夋牎婧�(zh菙n)鑷充簩闅庢韩搴︾郴鏁�(sh霉)锛屼互鍙婁笁闅庨潪绶氭€х郴鏁�(sh霉)銆�