{"id":11537,"date":"2026-07-26T11:55:51","date_gmt":"2026-07-26T11:55:51","guid":{"rendered":"https:\/\/ic-vendor.com\/lm2903bidr\/"},"modified":"2026-07-26T11:55:51","modified_gmt":"2026-07-26T11:55:51","slug":"lm2903bidr","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/zh\/lm2903bidr\/","title":{"rendered":"LM2903BIDR"},"content":{"rendered":"

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

The TI LM2903BIDR is a dual general-purpose comparator. 2V-30V supply, 40ns response, push-pull output, SOIC-8 for voltage comparison and monitoring.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n
\u7c7b\u578b<\/td>\nDual General-Purpose Comparator<\/td>\n<\/tr>\n
\u7535\u6e90\u7535\u538b<\/td>\n2V to 30V<\/td>\n<\/tr>\n
Response Time<\/td>\n40 ns typ (large signal)<\/td>\n<\/tr>\n
\u8f93\u5165\u5931\u8c03\u7535\u538b<\/td>\n+-4 mV max (B grade)<\/td>\n<\/tr>\n
\u8f93\u5165\u504f\u7f6e\u7535\u6d41<\/td>\n25 nA typ<\/td>\n<\/tr>\n
\u8f93\u51fa\u7c7b\u578b<\/td>\nPush-Pull (B grade)<\/td>\n<\/tr>\n
Operating Temp<\/td>\n-40 to +125C (I grade)<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nSOIC-8 (3.9×4.9mm)<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • Dual comparator in SOIC-8<\/li>\n
  • 2V-30V wide supply range<\/li>\n
  • 40ns fast response<\/li>\n
  • Push-pull output (B grade)<\/li>\n
  • +-4mV offset voltage<\/li>\n
  • -40 to 125C industrial<\/li>\n
  • RoHS compliant<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Voltage threshold monitoring<\/li>\n
    • Window comparator<\/li>\n
    • Oscillator and timer<\/li>\n
    • PWM comparator<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The TI LM2903BIDR is a dual general-purpose comparator. 2V-30V supply, 40ns response, push-pull output, SOIC-8 for voltage comparison and monitoring. Key Specifications Type Dual General-Purpose Comparator Supply Voltage 2V to 30V Response Time 40 ns typ (large signal) Input Offset Voltage +-4 mV max (B grade) Input Bias Current 25 nA typ Output […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13],"tags":[2805],"chip_brand":[138],"class_list":["post-11537","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","tag-lm2903bidr","chip_brand-ti"],"acf":{"brief_explanation":"Dual comparator, 2-30V, 40ns, push-pull, SOIC-8, -40 to 125C","date_code":"","package_case":"SOIC-8 (3.9x4.9mm)","in_stock":5514,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/lm2903b.pdf","price":"$0.50 @ 3ku","product_introduction":"The LM2903BIDR from TI is a dual general-purpose comparator in SOIC-8 package. 2V-30V supply range for flexible system design. 40ns large-signal response time for fast comparison. Push-pull output (B-grade improvement over original open-collector) eliminates the need for an external pull-up resistor. +-4mV input offset voltage for accurate threshold detection. -40 to 125C industrial temperature range.","working_principle":"Each comparator has two inputs (inverting and non-inverting) and one push-pull output. When V+ > V-, the output is high (near VCC). When V+ < V-, the output is low (near GND). The 40ns response time is achieved by a fast bipolar output stage. The push-pull output (B-grade) actively drives both high and low, unlike the original LM2903 open-collector output that requires an external pull-up resistor. Input common-mode range includes ground.","pin_description":"
      Pin<\/th>Name<\/th>Description<\/th><\/tr>
      1<\/td>1OUT<\/td>Comparator 1 output<\/td><\/tr>
      2<\/td>1IN-<\/td>Comparator 1 inverting<\/td><\/tr>
      3<\/td>1IN+<\/td>Comparator 1 non-inverting<\/td><\/tr>
      4<\/td>VCC<\/td>Supply<\/td><\/tr>
      5<\/td>2IN+<\/td>Comparator 2 non-inverting<\/td><\/tr>
      6<\/td>2IN-<\/td>Comparator 2 inverting<\/td><\/tr>
      7<\/td>2OUT<\/td>Comparator 2 output<\/td><\/tr>
      8<\/td>GND<\/td>Ground<\/td><\/tr><\/table>","application_scenarios":"
      • Voltage monitor<\/li>
      • Window comparator<\/li>
      • PWM comparator<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/11537","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/comments?post=11537"}],"version-history":[{"count":0,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/11537\/revisions"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/media?parent=11537"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/categories?post=11537"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/tags?post=11537"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=11537"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}