AFE5808A 鏅�(sh铆)闁擄細2025/5/6 19:30:19 闁辫畝锛�21

AFE5808A 鏄竴娆剧敱寰峰窞鍎€鍣� (TI) 闁嬬櫦(f膩)鐨勯珮搴﹂泦鎴愮殑妯℃摤鍓嶇 (Analog Front End, AFE) 鑺墖銆傝┎鑺墖灏堢偤瓒呰伈娉㈡垚鍍忕郴绲�(t菕ng)瑷�(sh猫)瑷�(j矛)锛屽叿鏈夐珮閫氶亾瀵嗗害銆佷綆鍔熻€楀拰楂樻€ц兘鐨勭壒榛�(di菐n)銆�
銆€銆€瀹冮泦鎴愪簡8鍊�(g猫)閫氶亾鐨勪綆鍣伈鏀惧ぇ鍣� (LNA)銆佸彲璁婂鐩婃斁澶у櫒 (VGA)銆佹姉娣风枈婵炬尝鍣� (AAF) 鍜屾ā鏁�(sh霉)杞�(zhu菐n)鎻涘櫒 (ADC)锛岃兘澶犻’钁楃啊鍖栬秴鑱叉尝鎺ユ敹淇¤櫉閺堢殑瑷�(sh猫)瑷�(j矛)娴佺▼銆傛澶栵紝鍏堕潏娲荤殑閰嶇疆閬搁爡(xi脿ng)鍜屽劒(y艒u)鍖栫殑鎬ц兘鍙冩暩(sh霉)浣垮叾闈炲父閬╁悎渚挎敎寮忓拰楂樼閱�(y墨)鐧傝秴鑱茶ō(sh猫)鍌�銆�

鍙冩暩(sh霉)

閫氶亾鏁�(sh霉)閲忥細8
銆€銆€渚涢浕闆诲锛�1.8V 鑷� 3.3V
銆€銆€宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆€銆€鏈€浣庤几鍏ュ櫔鑱诧細0.7 Vrms
銆€銆€鏈€澶у鐩婏細36 dB
銆€銆€ADC 鍒嗚鲸鐜囷細12 浣�
銆€銆€閲囨ǎ閫熺巼锛�40 MSPS
銆€銆€灏佽椤炲瀷锛歍QFP (7x7 mm)
銆€銆€鍔熻€楋細姣忛€氶亾鍏稿瀷鍊� 115 mW

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1. 闆嗘垚搴﹂珮锛氬柈椤嗚姱鐗囦腑鍖呭惈8鍊�(g猫)瀹屾暣鐨勪俊铏熼張閫氶亾锛屾瘡鍊�(g猫)閫氶亾鍧囧叿鏈� LNA銆乂GA銆丄AF 鍜� ADC 鍔熻兘妯″銆�
銆€銆€2. 鎬ц兘鍎�(y艒u)瓒婏細鍏峰倷妤典綆鐨勮几鍏ュ櫔鑱诧紙0.7 Vrms锛�锛屽苟涓旀敮鎸侀珮閬�(d谩)36 dB 鐨勫鐩婅(di脿o)绡€(ji茅)锛岀⒑淇濅簡灏嶅井寮变俊铏熺殑鏈夋晥鎹曠嵅鑸囪檿鐞嗐€�
銆€銆€3. 浣庡姛鑰楄ō(sh猫)瑷�(j矛)锛氬湪瀵�(sh铆)鐝�(xi脿n)楂樻€ц兘鐨勫悓鏅�(sh铆)锛屾瘡鍊�(g猫)閫氶亾鐨勫姛鑰楀儏鐐�115 mW锛岄€欎娇寰楀叾闈炲父閬╃敤浜庡皪鍔熻€楁晱鎰熺殑渚挎敎寮忚ō(sh猫)鍌欍€�
銆€銆€4. 闈堟椿閰嶇疆锛氱敤鎴跺彲浠ラ€氶亷 SPI 鎺ュ彛鏂逛究鍦拌(di脿o)鏁村鐩�銆佸亸缃浕娴佸拰鍏朵粬闂�(gu膩n)閸靛弮鏁�(sh霉)锛屼互閬╂噳(y墨ng)涓嶅悓鎳�(y墨ng)鐢ㄥ牬鏅殑闇€姹�銆�
銆€銆€5. 灏忓瀷鍖栧皝瑁濓細閲囩敤绶婃箠鐨� TQFP 灏佽锛�7x7 mm锛�锛屼究浜庡湪绌洪枔鍙楅檺鐨勭挵(hu谩n)澧冧腑浣跨敤銆�

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銆€銆€2. 宸ユキ(y猫)鐒℃悕妾㈡脯锛氬鏉愭枡缂洪櫡鍒嗘瀽銆佺剨绺帰鍌风瓑闇€瑕侀珮绮惧害淇¤櫉閲囬泦鐨勬噳(y墨ng)鐢�銆�
銆€銆€3. 绉戝(xu茅)鐮旂┒锛氱敤浜庨渶瑕佸閫氶亾鍚屾鏁�(sh霉)鎿�(j霉)閲囬泦鐨勫(sh铆)椹�(y脿n)瑁濈疆銆�
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