鏅傞枔锛�2025/5/6 12:46:19
闁辫畝锛�20
PGA309 鏄竴娆鹃珮绮惧害銆佷綆鍔熻�楃殑鍙法绋嬪鐩婃斁澶у櫒锛圥rogrammable Gain Amplifier锛�锛屽皥鐐哄伐妤�(y猫)鍜岄啱(y墨)鐧傛噳鐢ㄤ腑鐨勯珮鍒嗚鲸鐜囨暩(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)瑷▓銆傝┎鑺墖鍏佽ū鐢ㄦ埗閫氶亷鏁�(sh霉)瀛楁帴鍙ｉ伕鎿囦笉鍚岀殑澧炵泭鍊�锛屽緸鑰屽鐝�(xi脿n)灏嶈几鍏ヤ俊铏熺殑鏈夋晥瑾�(di脿o)绡�(ji茅)鍜屾斁澶с�侾GA309 鎻愪緵浜嗗嚭鑹茬殑鐩存祦绮惧害鍜屽櫔鑱叉�ц兘锛屽悓鏅傛敮鎸佸鑼冨湇鐨勯浕婧愰浕澹擄紝閬╁悎闆绘睜渚涢浕瑷倷浠ュ強鍏朵粬灏嶅姛鑰楁晱鎰熺殑鎳夌敤鍫存櫙銆�
銆�銆�PGA309 鐨勮ō瑷堜娇鍏惰兘澶犺垏妯℃暩(sh霉)杞夋彌鍣紙ADC锛夌劇绺泦鎴�锛岀啊鍖栦簡绯荤当(t菕ng)鐨勫京闆滄�у苟鎻愰珮浜嗘暣楂旀�ц兘銆傚叾闈堟椿鎬у拰鍙潬鎬т娇鍏舵垚鐐洪渶瑕佺簿纰轰俊铏熻(di脿o)鐞嗙殑鍚勭ó鎳夌敤鐨勭悊鎯抽伕鎿�銆�
宸ヤ綔闆绘簮闆诲锛�2.7V 鑷� 5.5V
銆�銆�澧炵泭鑼冨湇锛�1 鍒� 128锛堝彲閫氶亷 SPI 鎺ュ彛閰嶇疆锛�
銆�銆�鏈�澶ц几鍏ュけ瑾�(di脿o)闆诲锛�15 渭V
銆�銆�杓稿叆?y煤n)鈷栬崥鑲兼殠? nV/鈭欻z
銆�銆�甯跺锛�1 MHz
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆�銆�灏佽椤炲瀷锛歍SSOP-16
PGA309 鍏锋湁浠ヤ笅椤憲鐗规�э細
銆�銆�1. 楂樼簿搴︼細鍏峰倷妤典綆鐨勮几鍏ュけ瑾�(di脿o)闆诲鍜屽亸缃浕娴�锛屼繚璀変簡鍦ㄩ珮澧炵泭瑷疆涓嬬殑淇¤櫉瀹屾暣鎬�銆�
銆�銆�2. 鍙法绋嬪鐩婏細鐢ㄦ埗鍙互閫氶亷 SPI 鎺ュ彛鏂逛究鍦伴伕鎿囦笉鍚岀殑澧炵泭鍊�锛屽緸鑰岄仼鎳夊悇绋几鍏ヤ俊铏熷箙搴︾殑闇�姹�銆�
銆�銆�3. 浣庡姛鑰楋細鍗充娇鍦ㄥ叏澧炵泭妯″紡涓�锛孭GA309 鐨勫姛鑰椾粛鐒朵繚鎸佸湪杓冧綆姘村钩锛岄潪甯搁仼鍚堜究鏀滃紡瑷倷銆�
銆�銆�4. 瀵浕婧愰浕澹撹寖鍦嶏細鏀寔寰� 2.7V 鍒� 5.5V 鐨勯浕婧愰浕澹�锛屽鍔犱簡鑺墖鍦ㄤ笉鍚屾噳鐢ㄥ牬鏅腑鐨勫吋瀹规��銆�
銆�銆�5. 婧害绌�(w臎n)瀹氭�э細鍦ㄨ純瀵殑宸ヤ綔婧害鑼冨湇鍏�(n猫i)淇濇寔绌�(w臎n)瀹氱殑鎬ц兘锛岄仼鐢ㄤ簬宸ユキ(y猫)鍜屾苯杌婄挵(hu谩n)澧冦��
銆�銆�6. 灏忓瀷灏佽锛氶噰鐢� TSSOP-16 灏佽锛岀瘈(ji茅)鐪� PCB 绌洪枔锛屼究浜庡皬鍨嬪寲瑷▓銆�
PGA309 寤ｆ硾鎳夌敤浜庨渶瑕佺簿纰轰俊铏熸斁澶х殑闋樺煙锛屽寘鎷絾涓嶉檺浜庝互涓嬫柟闈細
銆�銆�1. 宸ユキ(y猫)鑷嫊鍖栵細鐢ㄤ簬鍌虫劅鍣ㄤ俊铏熸斁澶�锛屼緥濡傚鍔涘偝鎰熷櫒銆佹韩搴﹀偝鎰熷櫒绛�銆�
銆�銆�2. 閱�(y墨)鐧傝ō鍌欙細濡傚績闆诲湒锛圗CG锛�銆佽叇闆诲湒锛圗EG锛夊拰鍏朵粬鐢熺墿閱�(y墨)瀛稿剙鍣ㄤ腑鐨勪俊铏熻檿鐞�銆�
銆�銆�3. 鏁�(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)锛氶厤鍚堥珮鍒嗚鲸鐜� ADC 浣跨敤锛屾彁楂樼郴绲�(t菕ng)鐨勫嫊鎱�(t脿i)鑼冨湇鍜屾脯閲忕簿搴︺��
銆�銆�4. 娓│鑸囨脯閲忥細鍦ㄧず娉㈠櫒銆侀牷璀滃垎鏋愬剙绛夌簿瀵嗗剙鍣ㄤ腑瀵︾従(xi脿n)淇¤櫉瑾�(di脿o)绡�(ji茅)銆�
銆�銆�5. 娑堣不闆诲瓙锛氶煶闋讳俊铏熻檿鐞�銆佹櫤鑳藉灞呰ō鍌欎腑鐨勫偝鎰熷櫒淇¤櫉鏀惧ぇ绛夊姛鑳�銆�
銆�銆�6. 鑸┖鑸ぉ鑸囧湅闃诧細闇�瑕侀珮鍙潬鎬у拰楂樼簿搴︿俊铏熻檿鐞嗙殑鍫村悎銆�
PGA4311
銆�銆�AD8251
銆�銆�LTC6910
