鏅傞枔锛�2025/5/6 19:19:06
闁辫畝锛�26
AFE44S30 鏄竴娆剧敱寰峰窞鍎�鍣� (TI) 闁嬬櫦(f膩)鐨勯珮鎬ц兘妯℃摤鍓嶇 (Analog Front End, AFE) 鑺墖锛屽皥鐐哄厜闆讳簩妤电淇¤櫉瑾跨悊鍜岄噰闆嗚�岃ō瑷�銆傚畠涓昏鐢ㄤ簬閱�(y墨)鐧傝ō鍌欎腑鐨勮剤鎼忚姘у剙鍜屽績鐜囩洠(ji膩n)娓櫒鎳夌敤銆傝┎鑺墖闆嗘垚浜嗗鍊嬩俊铏熻檿鐞嗘ā濉�锛屽寘鎷法闃绘斁澶у櫒 (TIA)銆佸彲绶ㄧ▼澧炵泭鏀惧ぇ鍣� (PGA)銆佷綆鍣伈闆诲绶╂矕鍣ㄤ互鍙婃ā鏁歌綁鎻涘櫒 (ADC)锛屽緸鑰岀啊鍖栦簡绯荤当(t菕ng)瑷▓骞舵彁楂樹簡娓噺绮惧害銆�
銆�銆�AFE44S30 鐨勬灦妲嬪厑瑷卞悓鏅傛敮鎸佸閫氶亾杓稿叆锛屽苟鍏锋湁杓冧綆鐨勫姛鑰楃壒鎬�锛屼娇鍏堕潪甯搁仼鍚堜究鏀滃紡鎴栭浕姹犱緵闆昏ō鍌�銆�
渚涢浕闆诲锛�1.8V 卤5%
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆�銆�灏佽褰㈠紡锛歈FN-40 (6mm 脳 6mm)
銆�銆�鏁稿瓧鎺ュ彛锛欼2C鍏煎
銆�銆�淇″櫔姣�(SNR)锛�98dB
銆�銆�閲囨ǎ閫熺巼锛氶珮閬�200kSPS
AFE44S30 鎻愪緵浜嗗绋厛閫茬殑鍔熻兘鍜岀壒鎬�锛屼娇鍏舵垚鐐洪珮绮惧害鍏夊鍌虫劅鎳夌敤鐨勭悊鎯抽伕鎿�銆�
銆�銆�1. 鍏х疆鍏╁�嬬崹绔嬬殑璺ㄩ樆鏀惧ぇ鍣� (TIA)锛岀敤浜庡垎鍒ヨ檿鐞嗙磪澶� (IR) 鍜岀磪鍏� (Red) 鍏夊淇¤櫉銆�
銆�銆�2. 闆嗘垚浜� PGA 鍜� ADC锛屼究浜庣洿鎺ヨ垏寰帶鍒跺櫒鎴栧叾浠栨暩瀛楄檿鐞嗗櫒鎺ュ彛銆�
銆�銆�3. 鏀寔闈堟椿鐨勫鐩婅ō缃�锛岃兘澶犻仼鎳変笉鍚岄鍨嬬殑鍏夐浕浜屾サ绠￠潏鏁忓害銆�
銆�銆�4. 鎻愪緵浣庡櫔鑱叉�ц兘浠ョ⒑淇濋珮鍒嗚鲸鐜囩殑鏁告摎閲囬泦銆�
銆�銆�5. 鐗囦笂鏍℃簴瀵勫瓨鍣ㄦ湁鍔╀簬瑁滃劅鍏冧欢闁撶殑宸暟锛屾彁鍗囨暣楂旀脯閲忎竴鑷存��銆�
銆�銆�6. 灏忓瀷灏佽閬╁悎绶婃箠鍨嬭ō瑷堥渶姹傘��
銆�銆�7. 鍏х疆鎺夐浕妯″紡锛岄�蹭竴姝ラ檷浣庡緟姗熷姛鑰�锛屽欢闀烽浕姹犲＝鍛姐��
AFE44S30 涓昏鎳夌敤浜庝互涓嬮牁鍩燂細
銆�銆�1. 閱�(y墨)鐧傚仴搴疯ō鍌欙細濡傝剤鎼忚姘у剙銆佹墜鎸佸紡蹇冪巼鐩�(ji膩n)娓櫒绛夈��
銆�銆�2. 鏅鸿兘绌挎埓瑷倷锛氫緥濡傛櫤鑳芥墜琛ㄦ垨鍋ヨ韩杩借工鍣ㄤ腑鐨勫厜瀛稿偝鎰熷櫒妯″銆�
銆�銆�3. 宸ユキ(y猫)閬庣▼鐩�(ji膩n)鎺э細闇�瑕佺簿纰烘娓厜寮疯畩鍖栫殑鍫存櫙銆�
銆�銆�4. 绉戝鍎�鍣細娑夊強鍏夎瓬鍒嗘瀽鎴栧厜瀛镐俊铏熻檿鐞嗙殑鍫村悎銆�
AFE4404, AFE4490
