ADS822E鐨勫熀鏈�绲�(ji茅)妲�(g貌u)鍖呮嫭杓稿叆绶╂矕鏀惧ぇ鍣�銆侀浕娴佹瘮杓冨櫒銆佹暩(sh霉)瀛楁烤娉㈠拰鏁�(sh霉)鎿�(j霉)铏曠悊闆昏矾銆傝几鍏ョ珐娌栨斁澶у櫒鐢ㄤ簬鏀惧ぇ杓稿叆淇¤櫉(h脿o)锛屽苟灏囧叾杞�(zhu菐n)鎻涚偤闆绘祦杓稿嚭銆傞浕娴佹瘮杓冨櫒灏囬浕娴佷俊铏�(h脿o)杞�(zhu菐n)鎻涚偤鏁�(sh霉)瀛楄几鍑轰俊铏�(h脿o)銆傛暩(sh霉)瀛楁烤娉㈠拰鏁�(sh霉)鎿�(j霉)铏曠悊闆昏矾鐢ㄤ簬灏�(du矛)鏁�(sh霉)瀛楄几鍑轰俊铏�(h脿o)閫�(j矛n)琛屾烤娉㈠拰鏁�(sh霉)鎿�(j霉)铏曠悊銆�

ADS822E閲囩敤閫愭�￠�艰繎寮忥紙Successive Approximation锛夌殑宸ヤ綔鍘熺悊銆傚叾鍩烘湰鎬濇兂鏄�閫氶亷閫愭�ラ�艰繎渚嗙⒑瀹氳几鍏ユā鎿�淇¤��(h脿o)鐨勬暩(sh霉)瀛楀寲琛ㄧず銆傚叿楂斿伐浣滄祦绋嬪�備笅锛�
銆�銆�1銆侀�栧厛锛屽皣寰呰��(zhu菐n)鎻涚殑妯℃摤淇¤櫉(h脿o)鑸囧収(n猫i)閮ㄧ殑閲囨ǎ淇濇寔闆昏矾绲�(ji茅)鍚�锛屼互纰轰繚杓稿叆淇¤櫉(h脿o)鐨勭┅(w臎n)瀹氭�с��
銆�銆�2銆佺劧鍚庯紝ADC闁嬪�嬮�愭�ラ�艰繎閬庣▼銆傚湪姣忓��(g猫)閫艰繎姝ラ�熶��锛孉DC閫氶亷灏囦竴鍊�(g猫)姣旂壒浣嶈ō(sh猫)缃�鐐�1骞跺皣鍏朵綑浣嶈ō(sh猫)缃�鐐�0渚嗙敓鎴愪竴鍊�(g猫)瑭︽帰鎬х殑鏁�(sh霉)瀛椾俊铏�(h脿o)銆�
銆�銆�3銆佸皣瑭︽帰鎬х殑鏁�(sh霉)瀛椾俊铏�(h脿o)鑸囪几鍏ユā鎿�淇¤��(h脿o)閫�(j矛n)琛屾瘮杓�锛屾牴鎿�(j霉)姣旇純绲�(ji茅)鏋�锛孉DC姹哄畾涓嬩竴鍊�(g猫)姣旂壒浣嶆槸0閭勬槸1銆�
銆�銆�4銆侀噸寰�(f霉)涓婅堪姝ラ��锛岀洿鍒版墍鏈夋瘮鐗逛綅閮借��纰哄畾鐐烘��銆傛渶绲傚緱鍒扮殑鏁�(sh霉)瀛椾俊铏�(h脿o)鍗崇偤杓稿叆妯℃摤淇¤櫉(h脿o)鐨勬暩(sh霉)瀛楀寲琛ㄧず銆�

鍒嗚鲸鐜囷細12浣�
銆�銆�閲囨ǎ鐜囷細250ksps锛堝崈娆￠噰妯ｆ瘡绉掞級
銆�銆�杓稿叆闆诲�撹寖鍦嶏��0V鑷砎ref锛堝弮鑰冮浕澹擄級
銆�銆�渚涢浕闆诲�撹寖鍦嶏��2.7V鑷�5.5V
銆�銆�閫氫俊鎺ュ彛锛氫覆琛孲PI锛圫erial Peripheral Interface锛�
銆�銆�灏佽�濋�炲瀷锛�16寮曡叧TSSOP锛圱hin Shrink Small Outline Package锛�

1銆侀珮绮惧害锛欰DS822E鍏锋湁12浣嶅垎杈ㄧ巼锛屽彲鎻愪緵杓冮珮鐨勬脯(c猫)閲忕簿搴�锛岄仼鐢ㄤ簬灏�(du矛)淇¤櫉(h脿o)绮剧⒑搴﹁�佹眰杓冮珮鐨勬��(y墨ng)鐢ㄣ��
銆�銆�2銆佷綆鍔熻�楋細瑭睞DC閲囩敤浣庡姛鑰楄ō(sh猫)瑷�(j矛)锛屽伐浣滈浕娴佸儏鐐�0.4mA锛岄仼鍚堝湪闆绘睜渚涢浕鎴栧姛鑰楁晱鎰熺殑鎳�(y墨ng)鐢ㄤ腑浣跨敤銆�
銆�銆�3銆佸収(n猫i)閮ㄥ弮鑰冮浕澹擄細ADS822E鍏�(n猫i)閮ㄩ泦鎴愪簡鍙冭�冮浕澹撴簮锛屽彲鎻愪緵绌�(w臎n)瀹氱殑鍙冭�冮浕澹�锛屾笡灏戝�栭儴鍏冧欢鐨勯渶姹傘��
銆�銆�4銆佸収(n猫i)閮ㄩ噰妯ｄ繚鎸侀浕璺�锛氳┎鑺�鐗囧収(n猫i)閮ㄩ泦鎴愪簡閲囨ǎ淇濇寔闆昏矾锛屽彲纰轰繚鍦ㄨ綁(zhu菐n)鎻涢亷绋嬩腑杓稿叆淇¤櫉(h脿o)鐨勭┅(w臎n)瀹氭��锛屾彁楂樻脯(c猫)閲忕簿搴�銆�
銆�銆�5銆佹韩搴﹁寖鍦嶅唬锛欰DS822E鍙�鍦�-40掳C鑷�+85掳C鐨勬韩搴﹁寖鍦嶅収(n猫i)姝ｅ父宸ヤ綔锛岄仼鐢ㄤ簬宸ユキ(y猫)鎺у埗銆佸剙鍣ㄥ剙琛ㄧ瓑鐠�(hu谩n)澧冩儭鍔ｇ殑鎳�(y墨ng)鐢�銆�

ADS822E寤ｆ硾鎳�(y墨ng)鐢ㄤ簬闇�瑕侀珮閫熴�侀珮绮惧害妯℃暩(sh霉)杞�(zhu菐n)鎻涚殑闋�(l菒ng)鍩�銆傚叾鎳�(y墨ng)鐢ㄥ寘鎷�鐒＄窔閫氫俊绯荤当(t菕ng)銆侀浄閬�(d谩)绯荤当(t菕ng)銆侀啱(y墨)鐧傝ō(sh猫)鍌�銆侀煶闋昏檿鐞嗗拰鍦栧儚閲囬泦绛�銆傜敱浜庡叾楂橀噰妯ｉ�熺巼鍜屼綆鍔熻�楃殑鐗归粸(di菐n)锛孉DS822E鐗瑰垾閬╃敤浜庨渶瑕佽檿鐞嗗ぇ閲忔暩(sh霉)鎿�(j霉)涓斿皪(du矛)鍔熻�楄�佹眰杓冧綆鐨勬��(y墨ng)鐢ㄥ牬(ch菐ng)鏅�銆備緥濡傦紝瀹冨彲浠ョ敤浜庣劇绶氬熀绔欎腑鐨勫皠闋诲墠绔�鎺ユ敹妯″��锛岀敤浜庨珮閫熸暩(sh霉)鎿�(j霉)閲囬泦鍜岃檿鐞�銆�

1銆侀�ｆ帴闆昏矾锛氶�栧��锛屽皣ADS822E鑸囨墍闇�鐨勯浕璺�閫ｆ帴銆傚皣妯℃摤杓稿叆淇¤櫉(h脿o)閫ｆ帴鍒癆DS822E鐨勮几鍏ュ紩鑵充笂锛屽苟纰轰繚杓稿叆淇¤櫉(h脿o)鐨勮寖鍦嶅湪ADS822E鐨勫伐浣滆寖鍦嶅収(n猫i)銆傚悓鏅�(sh铆)锛岄倓闇�瑕佺偤ADS822E鎻愪緵鎵�闇�鐨勯浕婧愰浕澹撳拰鍦扮窔閫ｆ帴銆�
銆�銆�2銆佸垵濮嬪寲瑷�(sh猫)缃�锛氬湪浣跨敤ADS822E涔嬪墠锛岄渶瑕佸皪(du矛)鍏堕��(j矛n)琛屽垵濮嬪寲瑷�(sh猫)缃�銆傞�欏寘鎷�瑷�(sh猫)缃�杞�(zhu菐n)鎻涢�熺巼銆佸弮鑰冮浕澹�銆佽几鍏ュ�炵泭绛夊弮鏁�(sh霉)?锛熸ⅱ閰濄劅^SPI鎺ュ彛鎴栧叾浠栨帶鍒舵帴鍙ｄ締閰嶇疆閫欎簺鍙冩暩(sh霉)銆�
銆�銆�3銆佸暉鍕�(d貌ng)杞�(zhu菐n)鎻涳細涓�鏃﹀畬鎴愬垵濮嬪寲瑷�(sh猫)缃�锛屽氨鍙�浠ュ暉鍕�(d貌ng)ADC鐨勮綁(zhu菐n)鎻涢亷绋�銆傚彲浠ラ�氶亷鎺у埗鎺ュ彛鐧�(f膩)閫佹寚浠�锛岃畵ADC闁嬪�嬭��(zhu菐n)鎻涙ā鎿�淇¤��(h脿o)鐐烘暩(sh霉)瀛椾俊铏�(h脿o)銆傝綁(zhu菐n)鎻涢亷绋嬩竴鑸�鍖呮嫭閲囨��銆侀噺鍖栧拰绶ㄧ⒓绛夋�ラ��銆�
銆�銆�4銆佺嵅鍙栨暩(sh霉)瀛楄几鍑猴細杞�(zhu菐n)鎻涘畬鎴愬悗锛屽彲浠ラ�氶亷鎺у埗鎺ュ彛璁�鍙朅DS822E鐨勬暩(sh霉)瀛楄几鍑虹祼(ji茅)鏋�銆傞�欎簺绲�(ji茅)鏋滃彲浠ユ槸浜岄��(j矛n)鍒舵暩(sh霉)瀛�銆丅CD纰兼垨鍏朵粬鏍煎紡锛屽叿楂斿彇姹轰簬ADC鐨勮ō(sh猫)缃�鍜屾帴鍙ｅ��(xi茅)璀般��
銆�銆�5銆佹暩(sh霉)鎿�(j霉)铏曠悊锛氱嵅鍙栧埌鏁�(sh霉)瀛楄几鍑哄悗锛屽彲浠ラ��(j矛n)琛岄��(j矛n)涓�姝ョ殑鏁�(sh霉)鎿�(j霉)铏曠悊銆傞�欏彲浠ュ寘鎷�婵炬硛�佹牎婧�(zh菙n)銆佺窔鎬у寲绛夋搷浣滐紝浠ョ嵅寰楁渶绲傜殑娓�(c猫)閲忕祼(ji茅)鏋�銆�
銆�銆�6銆佸惊鐠�(hu谩n)杞�(zhu菐n)鎻涳紙鍙�閬革級锛氬�傛灉闇�瑕侀�ｇ簩(x霉)閫�(j矛n)琛屾ā鏁�(sh霉)杞�(zhu菐n)鎻�锛屽彲浠ヤ娇鐢ˋDS822E鐨勯�ｇ簩(x霉)杞�(zhu菐n)鎻涙ā寮�銆傚湪姝ゆā寮忎笅锛孉DC灏囪嚜鍕�(d貌ng)閫ｇ簩(x霉)杞�(zhu菐n)鎻涙ā鎿�淇¤��(h脿o)锛屽苟鎻愪緵閫ｇ簩(x霉)鐨勬暩(sh霉)瀛楄几鍑�銆�
銆�銆�闇�瑕佹敞鎰忕殑鏄�锛屼娇鐢ˋDS822E鏅�(sh铆)鎳�(y墨ng)娉ㄦ剰浠ヤ笅骞鹃粸(di菐n)锛�
銆�銆�鈼忛伒瀹圓DS822E鐨勫伐浣滄�濅欢鍜岃��(gu墨)鑼�锛屽�傝几鍏ラ浕澹撹寖鍦�銆佷緵闆婚浕澹撱�佸伐浣滄韩搴︾瓑銆�
銆�銆�鈼忕⒑淇濋浕璺�閫ｆ帴姝ｇ⒑锛屽�傛�ｇ⒑鎺ョ窔鍜屾帴鍦�銆�
銆�銆�鈼忔牴鎿�(j霉)闇�姹傞伕鎿囧悎閬╃殑杞�(zhu菐n)鎻涢�熺巼鍜岀簿搴﹁ō(sh猫)缃�銆�
銆�銆�鈼忎娇鐢ㄥ悎閬╃殑婵炬尝鍜屾暩(sh霉)鎿�(j霉)铏曠悊鏂规硶锛屼互纰轰繚鐛插彇婧�(zh菙n)纰虹殑绲�(ji茅)鏋�銆�
銆�銆�绺界殑渚嗚��锛屼娇鐢ˋDS822E闇�瑕侀��(j矛n)琛岄�ｆ帴闆昏矾銆佸垵濮嬪寲瑷�(sh猫)缃�銆佸暉鍕�(d貌ng)杞�(zhu菐n)鎻�銆佺嵅鍙栨暩(sh霉)瀛楄几鍑哄拰鏁�(sh霉)鎿�(j霉)铏曠悊绛夋�ラ��銆傞�氶亷姝ｇ⒑浣跨敤鍜岃檿鐞�锛屽彲浠ョ嵅寰楁簴(zh菙n)纰虹殑妯℃摤淇¤櫉(h脿o)杞�(zhu菐n)鎻涚祼(ji茅)鏋�銆�

1銆侀伕鎿囧悎閬╃殑闆昏矾鏉匡細鍦ㄥ畨瑁滱DS822E涔嬪墠锛岄渶瑕侀伕鎿囦竴鍊�(g猫)鍚堥仼鐨勯浕璺�鏉挎垨瑷�(sh猫)鍌欎締闆嗘垚瀹�銆傜⒑淇濋浕璺�鏉夸笂鏈夎冻澶犵殑绌洪枔鍜岄�ｆ帴鎺ュ彛渚嗗畨瑁滱DS822E銆�
銆�銆�2銆佹敞鎰忎緵闆婚浕澹擄細纰轰繚鐐篈DS822E鎻愪緵姝ｇ⒑鐨勪緵闆婚浕澹撱�侫DS822E鐨勪緵闆婚浕澹撹寖鍦嶇偤2.7V鑷�5.25V锛屽洜姝ら渶瑕佷娇鐢ㄩ仼鐣�(d膩ng)?sh霉)纰惧ǐ纾ラ爧M瓒冲叾闆诲�撹�佹眰銆�
銆�銆�3銆侀�ｆ帴闆绘簮鍜屽湴绶氾細灏囬浕婧愬拰鍦扮窔姝ｇ⒑閫ｆ帴鍒癆DS822E銆傜⒑淇濋浕婧愬拰鍦扮窔鐨勯�ｆ帴绌�(w臎n)鍥哄彲闈�锛屽苟閬垮厤鐭�璺�鎴栨帴瑙镐笉鑹�鐨勬儏娉�銆�
銆�銆�4銆侀�ｆ帴妯℃摤杓稿叆淇¤櫉(h脿o)锛氬皣妯℃摤杓稿叆淇¤櫉(h脿o)姝ｇ⒑閫ｆ帴鍒癆DS822E鐨勮几鍏ュ紩鑵充笂銆傜⒑淇濊几鍏ヤ俊铏�(h脿o)鐨勮寖鍦嶅湪ADS822E鐨勫伐浣滆寖鍦嶅収(n猫i)锛屽苟閬垮厤澶栭儴骞叉摼銆�
銆�銆�5銆佽ō(sh猫)缃�鍙冭�冮浕澹擄細鏍规摎(j霉)闇�瑕侊紝瑷�(sh猫)缃�鍚堥仼鐨勫弮鑰冮浕澹�銆侫DS822E鏀�鎸佷娇鐢ㄥ�栭儴鍙冭�冮浕澹撴垨鍏�(n猫i)閮ㄥ弮鑰冮浕澹�銆傚�傛灉浣跨敤澶栭儴鍙冭�冮浕澹�锛岄渶瑕佸皣鍏舵�ｇ⒑閫ｆ帴鍒癆DS822E鐨勫紩鑵充笂銆�
銆�銆�6銆佺⒑瀹氭帶鍒舵帴鍙ｏ細ADS822E閫氶亷SPI鎺ュ彛閫�(j矛n)琛屾帶鍒跺拰閫氫俊銆傚洜姝わ紝闇�瑕佺偤ADS822E鎻愪緵SPI鎺ュ彛锛屽苟姝ｇ⒑閫ｆ帴鍒版帶鍒跺櫒鎴栦富瑷�(sh猫)鍌欎笂銆�
銆�銆�7銆佸畨瑁濈挵(hu谩n)澧冿細鍦ㄥ畨瑁滱DS822E鏅�(sh铆)锛岃�侀伕鎿囦竴鍊�(g猫)閬╁悎鐨勭挵(hu谩n)澧�锛岄伩鍏嶉亷楂樼殑婧�搴�銆佹繒搴︽垨鍏朵粬涓嶅埄鍥犵礌灏�(du矛)鍏舵�ц兘鐢�(ch菐n)鐢熷奖闊裤��
銆�銆�8銆佹敞鎰忛槻闈滈浕淇濊��(h霉)锛氬湪瀹夎�滱DS822E鏅�(sh铆)锛岃�佹敞鎰忛槻姝㈤潨闆绘悕瀹�銆備娇鐢ㄩ潨闆婚槻璀�(h霉)鎺�鏂斤紝濡傜┛鎴撮潨闆绘墜鐠�(hu谩n)鎴�?q奴)顢�DS822E瀛樻斁鍦ㄩ潨闆昏�嬩��锛屼互娓涘皯闈滈浕灏�(du矛)鍏剁殑褰遍熆銆�
銆�銆�9銆侀��(j矛n)琛屽姛鑳芥脯(c猫)瑭︼細鍦ㄥ畨瑁濆畬鎴愬悗锛岄��(j矛n)琛孉DS822E鐨勫姛鑳芥脯(c猫)瑭�锛岀⒑淇濆畠姝ｅ父宸ヤ綔骞惰兘澶犳�ｇ⒑杞�(zhu菐n)鎻涙ā鎿�淇¤��(h脿o)鐐烘暩(sh霉)瀛椾俊铏�(h脿o)銆�
銆�銆�绺界祼(ji茅)鑰岃█锛孉DS822E鐨勫畨瑁濊�侀��(di菐n)鍖呮嫭閬告搰鍚堥仼鐨勯浕璺�鏉�銆佹敞鎰忎緵闆婚浕澹�銆佹�ｇ⒑閫ｆ帴闆绘簮鍜屽湴绶�銆侀�ｆ帴妯℃摤杓稿叆淇¤櫉(h脿o)銆佽ō(sh猫)缃�鍙冭�冮浕澹�銆佺⒑瀹氭帶鍒舵帴鍙�銆侀伕鎿囬仼鍚堢殑鐠�(hu谩n)澧�銆佹敞鎰忛槻闈滈浕淇濊��(h霉)锛屽苟閫�(j矛n)琛屽姛鑳芥脯(c猫)瑭�銆傞�欎簺瑕侀粸(di菐n)鑳藉�犵⒑淇滱DS822E鐨勬�ｅ父瀹夎�濆拰浣跨敤銆�