鏅傞枔锛�2025/4/28 20:27:44
闁辫畝锛�38
AFE4410 鏄竴娆鹃珮搴﹂泦鎴愮殑妯℃摤鍓嶇 (AFE) 鑺墖锛屽皥鐐哄厜瀛告劅娓噳鐢ㄨō瑷�锛屼緥濡傝剤鎼忚姘у剙鍜屽績鐜囩洠(ji膩n)娓櫒銆傝┎鑺墖闆嗘垚浜嗗厜闆讳簩妤电闄ｅ垪銆佸彲绶ㄧ▼澧炵泭鏀惧ぇ鍣� (PGA)銆佹ā鏁�(sh霉)杞夋彌鍣� (ADC) 鍜屾暩(sh霉)瀛椾俊铏熻檿鐞嗗姛鑳�锛屽緸鑰岀啊鍖栦簡寰╅洔鐨勭敓鐞嗕俊铏熼噰闆嗙郴绲�(t菕ng)鐨勮ō瑷�銆�
銆�銆�鍏剁崹鐗圭殑澶氶�氶亾鏋舵鍏佽ū鍚屾檪閫茶绱呭厜鍜岀磪澶栧厜娓噺锛岄潪甯搁仼鍚堢敤浜庤姘ч＝鍜屽害 (SpO2) 鐨勭簿纰鸿▓绠�銆傛澶�锛孉FE4410 鎻愪緵浜嗛潏娲荤殑閰嶇疆閬搁爡锛屾敮鎸佸绋鍨嬬殑鍌虫劅鍣紝骞朵笖鍏锋湁浣庡姛鑰楃壒鎬�锛岄潪甯搁仼鍚堜究鏀滃紡閱�(y墨)鐧傝ō鍌欍��
鍨嬭櫉锛欰FE4410
銆�銆�宸ヤ綔闆诲锛�1.6V 鑷� 3.6V
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆�銆�淇″櫔姣旓細97dB
銆�銆�杓稿叆澶辫(di脿o)闆诲锛�1mV锛堟渶澶у�硷級
銆�銆�澧炵泭鑼冨湇锛�0 鑷� 60dB锛堟闀� 1dB锛�
銆�銆�ADC 鍒嗚鲸鐜囷細24 浣�
銆�銆�閲囨ǎ閫熺巼锛�10Hz 鑷� 2kHz
銆�銆�灏佽椤炲瀷锛歍SSOP-24
AFE4410 鐨勪富瑕佺壒鎬у寘鎷互涓嬪咕榛烇細
銆�銆�1. 闆嗘垚澶氳矾杓稿叆閫氶亾锛岃兘澶犲悓鏅傝檿鐞嗗鍊嬪厜婧愪俊铏�銆�
銆�銆�2. 鍏�(n猫i)缃� PGA 鍜岄珮鍒嗚鲸鐜� ADC锛屾彁渚涘崜瓒婄殑淇¤櫉铏曠悊鎬ц兘銆�
銆�銆�3. 鏀寔 LED 椹呭嫊杓稿嚭锛屼究浜庤垏澶栭儴鍏夋簮閰嶅悎浣跨敤銆�
銆�銆�4. 闈堟椿鐨勬暩(sh霉)瀛楁烤娉㈠櫒瑷疆锛屾湁鍔╀簬娓涘皯鐠�(hu谩n)澧冨厜骞叉摼銆�
銆�銆�5. 鍙�氶亷 SPI 鎺ュ彛瀵︾従(xi脿n)瀹屽叏鏁�(sh霉)瀛楀寲鎺у埗銆�
銆�銆�6. 鎻愪緵浣庡姛鑰楁ā寮忎互寤堕暦闆绘睜渚涢浕瑷倷鐨勭簩(x霉)鑸檪闁�銆�
銆�銆�7. 鍏�(n猫i)缃嚜鏍℃簴鍔熻兘锛岀⒑淇濋暦鏅傞枔浣跨敤鐨勭┅(w臎n)瀹氭��銆�
AFE4410 涓昏鎳夌敤浜庨渶瑕侀珮绮惧害鍏夊淇¤櫉妾㈡脯鐨勫牬鏅紝鍏烽珨鍖呮嫭锛�
銆�銆�1. 鑴堟悘琛�姘у剙锛圫pO2 娓噺锛�銆�
銆�銆�2. 蹇冪巼鐩�(ji膩n)娓ō鍌欍��
銆�銆�3. 鍋ュ悍杩借工鏅鸿兘鎵嬭〃鎴栨墜鐠�(hu谩n)銆�
銆�銆�4. 鍏朵粬鍩轰簬鍏夊鍌虫劅鐨勭敓鍛介珨寰佺洠(ji膩n)娓ō鍌欙紝濡傚懠鍚搁牷鐜囨娓瓑銆�
銆�銆�鐢变簬鍏堕珮闆嗘垚搴﹀拰浣庡姛鑰楃壒榛烇紝閫欐鑺墖鐗瑰垾閬╁悎渚挎敎寮忓拰鍙┛鎴磋ō鍌欎腑鐨勬噳鐢�銆�
AFE4400, AFE4404
