{"id":5220,"date":"2026-06-09T10:13:29","date_gmt":"2026-06-09T10:13:29","guid":{"rendered":"https:\/\/materialparts.com\/lm285dr-2-5\/"},"modified":"2026-06-09T10:13:29","modified_gmt":"2026-06-09T10:13:29","slug":"lm285dr-2-5","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/lm285dr-2-5\/","title":{"rendered":"LM285DR-2-5"},"content":{"rendered":"

\u4ea7\u54c1\u6982\u89c8<\/h2>\n

LM285DR-2-5 from TI is a 2.5V micropower voltage reference diode. 10uA to 20mA operating current. +\/-1.5% initial accuracy. 20ppm\/C temp drift. SOIC-8 package. Two-terminal shunt reference.<\/p>\n

\u5de5\u4f5c\u539f\u7406<\/h2>\n

Bandgap shunt reference: maintains 2.5V across terminals when biased with 10uA to 20mA. Dynamic impedance of 0.2 ohm at 1mA. Low noise. No external capacitors required.<\/p>\n

Pin Description<\/h2>\n\n\n\n\n
\u9488\u811a<\/th>\n\u540d\u79f0<\/th>\n\u529f\u80fd<\/th>\n<\/tr>\n
5<\/td>\n\u9634\u6781<\/td>\nPositive terminal<\/td>\n<\/tr>\n
8<\/td>\n\u9633\u6781<\/td>\nNegative terminal<\/td>\n<\/tr>\n<\/table>\n

\u5e94\u7528<\/h2>\n
    \n
  • Precision voltage reference<\/li>\n
  • ADC\/DAC reference<\/li>\n
  • Low-power applications<\/li>\n<\/ul>\n

    Alternative Models<\/h2>\n\n\n\n\n
    \u5236\u9020\u5546<\/th>\n\u90e8\u4ef6\u7f16\u53f7<\/th>\n\u8bf4\u660e<\/th>\n<\/tr>\n
    TI<\/td>\nLM385DR-2-5<\/td>\n1.2V version<\/td>\n<\/tr>\n
    ADI<\/td>\nADR381ARTZ-REEL7<\/td>\n2.5V SOT-23 ref<\/td>\n<\/tr>\n<\/table>","protected":false},"excerpt":{"rendered":"

    Product Overview LM285DR-2-5 from TI is a 2.5V micropower voltage reference diode. 10uA to 20mA operating current. +\/-1.5% initial accuracy. 20ppm\/C temp drift. SOIC-8 package. Two-terminal shunt reference. Working Principle Bandgap shunt reference: maintains 2.5V across terminals when biased with 10uA to 20mA. Dynamic impedance of 0.2 ohm at 1mA. Low noise. No external capacitors […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19,13],"tags":[],"chip_brand":[138],"class_list":["post-5220","post","type-post","status-publish","format-standard","hentry","category-analog-linear-ics","category-integrated-circuits-ics","chip_brand-ti"],"acf":{"brief_explanation":"2.5V micropower shunt reference, SOIC-8","date_code":"","package_case":"SOIC-8 (4.9 x 3.9 x 1.5mm, 1.27mm pitch)","in_stock":8224,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/lm285-2.5-nm.pdf","price":"$1.85 @ 1ku","product_introduction":"LM285DR-2-5 from TI is a 2.5V micropower voltage reference diode. 10uA to 20mA operating current. +\/-1.5% initial accuracy. 20ppm\/C temp drift. SOIC-8 package. Two-terminal shunt reference.","working_principle":"Bandgap shunt reference: maintains 2.5V across terminals when biased with 10uA to 20mA. Dynamic impedance of 0.2 ohm at 1mA. Low noise. No external capacitors required.","pin_description":"
    Pin<\/th>Name<\/th>Function<\/th><\/tr>
    5<\/td>Cathode<\/td>Positive terminal<\/td><\/tr>
    8<\/td>Anode<\/td>Negative terminal<\/td><\/tr><\/table>","application_scenarios":"
    • Precision voltage reference<\/li>
    • ADC\/DAC reference<\/li>
    • Low-power applications<\/li><\/ul>","alternative_models":"
      Manufacturer<\/th>Part Number<\/th>Notes<\/th><\/tr>
      TI<\/td>LM385DR-2-5<\/td>1.2V version<\/td><\/tr>
      ADI<\/td>ADR381ARTZ-REEL7<\/td>2.5V SOT-23 ref<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5220","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=5220"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5220\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=5220"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=5220"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=5220"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=5220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}