鏅傞枔锛�2025/5/6 19:22:15
闁辫畝锛�25
AFE7988 鏄竴娆鹃珮鎬ц兘鐨勬ā鎿墠绔� (Analog Front End, AFE) 鑺墖锛屽皥鐐洪珮绮惧害鏁�(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)瑷▓銆傝┎鑺墖闆嗘垚浜嗗鍊嬮棞閸靛姛鑳芥ā濉�锛屽浣庡櫔鑱叉斁澶у櫒銆佸彲绶ㄧ▼澧炵泭鏀惧ぇ鍣� (PGA)銆佹ā鏁�(sh霉)杞�(zhu菐n)鎻涘櫒 (ADC) 鍜屾暩(sh霉)瀛椾俊铏熻檿鐞嗗柈鍏冪瓑銆傞�欎簺鍔熻兘浣垮緱 AFE7988 鍦ㄥ伐妤�(y猫)鑷嫊鍖栥�侀啱(y墨)鐧傝ō鍌�銆佹脯瑭︽脯閲忎互鍙婄墿鑱�(li谩n)缍�(w菐ng)鍌虫劅鍣ㄦ帴鍙ｄ腑鍏锋湁寤ｆ硾鐨勬噳鐢�銆�
銆�銆�瑭茶姱鐗囩殑涓昏鐗归粸鍦ㄤ簬鍏堕珮搴﹂泦鎴愬寲鐨勮ō瑷堬紝娓涘皯浜嗗閮ㄥ厓浠剁殑闇�姹�锛屽緸鑰岄檷浣庝簡绯荤当(t菕ng)鐨勫京闆滄�у拰鎴愭湰銆傚悓鏅�锛屽畠閭勬敮鎸佸绋几鍏ヨ寖鍦嶅拰闈堟椿閰嶇疆閬搁爡锛屼娇鍏堕仼鐢ㄤ簬鍚勭ó涓嶅悓椤炲瀷鐨勫偝鎰熷櫒淇¤櫉瑾�(di脿o)鐞嗗拰鏁�(sh霉)瀛楀寲浠诲嫏銆�
渚涢浕闆诲锛�2.7V 鑷� 3.6V
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆�銆�淇″櫔姣� (SNR)锛�100dB
銆�銆�閲囨ǎ鐜囷細楂橀仈 2MSPS
銆�銆�杓稿叆閫氶亾鏁�(sh霉)閲忥細8 鍊�
銆�銆�鍒嗚鲸鐜囷細24 浣�
銆�銆�灏佽椤炲瀷锛歍QFP-64
AFE7988 鎻愪緵浜嗗崜瓒婄殑鎬ц兘鎸囨鍜岄潏娲绘�с�傚叾鍏�(n猫i)缃殑 PGA 妯″鍙互灏嶅井寮辩殑杓稿叆淇¤櫉閫茶鏀惧ぇ锛屽鐩婅寖鍦嶅緸 1 鍒� 128 鍙(di脿o)銆傞�欑⒑淇濅簡鍗充娇鏄潪甯稿皬骞呭害鐨勪俊铏熶篃鑳借绮剧⒑鍦版崟鎹夊埌銆�
銆�銆�姝ゅ锛岃┎鑺墖閭勫叿鍌欐サ浣庣殑杓稿叆鍋忕疆闆绘祦鍜岄珮鍏辨ā鎶戝埗姣� (CMRR)锛屽緸鑰岃兘澶犲湪鎯″姡鐠�(hu谩n)澧冧笅淇濇寔鍑鸿壊鐨勪俊铏熷畬鏁存��銆�
銆�銆�鐐轰簡绨″寲闁嬬櫦(f膩)閬庣▼锛孴I 鎻愪緵浜嗛厤濂楃殑瑭曚及鏉垮拰杌熶欢宸ュ叿锛屼娇鐢ㄦ埗鑳藉蹇�熶笂鎵嬪苟鍎�(y艒u)鍖栬ō瑷堛�傚彟澶�锛孉FE7988 鐨勫姛鑰楃鐞嗕篃闈炲父鍑鸿壊锛屽湪婊胯級閬嬭鏅備粛鑳界董鎸佽純浣庣殑鍔熻�楁按骞�锛岄潪甯搁仼鍚堥浕姹犱緵闆荤殑鎳夌敤鍫存櫙銆�
AFE7988 寤ｆ硾鎳夌敤浜庨渶瑕侀珮绮惧害鏁�(sh霉)鎿�(j霉)閲囬泦鐨勯牁鍩�銆備緥濡傚湪宸ユキ(y猫)鎺у埗涓紝瀹冨彲浠ョ敤浜庡鍔涘偝鎰熷櫒銆佹韩搴﹀偝鎰熷櫒鎴栨尟鍕曠洠(ji膩n)娓郴绲�(t菕ng)鐨勪俊铏熻(di脿o)鐞嗚垏鏁�(sh霉)瀛楀寲锛涘湪閱�(y墨)鐧傚剙鍣ㄤ腑锛岄仼鍚堝績闆诲湒 (ECG) 鎴栬叇闆诲湒 (EEG) 绛夌敓鐗╅浕淇¤櫉鐨勯噰闆�锛涘湪鐠�(hu谩n)澧冪洠(ji膩n)娓柟闈紝鍙敤浜庢埃楂旀娓剙鎴栨按璩�(zh矛)鍒嗘瀽鍎�鐨勬暩(sh霉)鎿�(j霉)铏曠悊閮ㄥ垎銆�
銆�銆�姝ゅ锛岀敱浜庡叾澶氶�氶亾鐗规��锛岃┎鑺墖涔熼潪甯搁仼鍚堢敤浜庡榛炲垎甯冨紡鍌虫劅缍�(w菐ng)绲′腑鐨勭瘈(ji茅)榛炴暩(sh霉)鎿�(j霉)閲囬泦浠诲嫏銆傜附涔�锛屼换浣曢渶瑕佸皣妯℃摤淇¤櫉楂樻晥杞�(zhu菐n)鍖栫偤鏁�(sh霉)瀛椾俊铏熷苟閫茶閫蹭竴姝ヨ檿鐞嗙殑鍦版柟閮藉彲浠ヨ�冩叜浣跨敤 AFE7988銆�
AFE7980, AFE7982
