{"id":2105,"date":"2026-05-14T03:40:05","date_gmt":"2026-05-14T03:40:05","guid":{"rendered":"https:\/\/materialparts.com\/lm324an\/"},"modified":"2026-05-14T04:02:03","modified_gmt":"2026-05-14T04:02:03","slug":"lm324an","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/lm324an\/","title":{"rendered":"LM324AN"},"content":{"rendered":"

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

LM324AN \u662f Texas Instruments \u63a8\u51fa\u7684\u4e00\u6b3e\u5de5\u4e1a\u6807\u51c6\u56db\u8def\u901a\u7528\u8fd0\u7b97\u653e\u5927\u5668\uff0c\u91c7\u7528 PDIP-14 \u901a\u5b54\u5c01\u88c5\u3002A \u7248\u672c\u7684\u6700\u5927\u8f93\u5165\u5931\u8c03\u7535\u538b\u4e3a 3 mV\uff08LM324N \u4e3a 7 mV\uff09\u3002\u5b83\u91c7\u7528 3 V \u81f3 32 V \u5355\u7535\u6e90\u6216 +\/-1.5 V \u81f3 +\/-16 V \u53cc\u7535\u6e90\u4f9b\u7535\uff0c\u603b\u9759\u6001\u7535\u6d41\u4ec5\u4e3a 700 \u03bcA\u3002\u8f93\u5165\u5171\u6a21\u8303\u56f4\u5305\u62ec\u63a5\u5730\uff0c\u8f93\u51fa\u53ef\u5728\u4e0d\u4f7f\u7528\u4e0b\u62c9\u7535\u963b\u7684\u60c5\u51b5\u4e0b\u6446\u52a8\u81f3\u63a5\u5730\uff0c\u4f7f\u5176\u5728\u5355\u7535\u6e90\u8bbe\u8ba1\u4e2d\u5177\u6709\u6781\u9ad8\u7684\u901a\u7528\u6027\u3002.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n
\u6e20\u9053<\/td>\n4 \u4e2a\u72ec\u7acb\u8fd0\u7b97\u653e\u5927\u5668<\/td>\n<\/tr>\n
\u4f9b\u5e94\u8303\u56f4<\/td>\n\u5355\u8def\uff1a3 V \u81f3 32 V \/ \u53cc\u8def\uff1a+\/-1.5 V \u81f3 +\/-16 V<\/td>\n<\/tr>\n
\u589e\u76ca-\u5e26\u5bbd\u4e58\u79ef<\/td>\n1.2 MHz typ<\/td>\n<\/tr>\n
\u538b\u6446\u7387<\/td>\n0.5 V\/\u03bcs typ @ +\/-15 V<\/td>\n<\/tr>\n
\u8f93\u5165\u5931\u8c03\u7535\u538b<\/td>\n25 \u00b0C \u65f6\u6700\u5927 3 mV\uff08A \u7248<\/td>\n<\/tr>\n
\u8f93\u5165\u504f\u7f6e\u7535\u6d41<\/td>\n\u5178\u578b\u503c 45 nA \/ \u6700\u5927\u503c 100 nA<\/td>\n<\/tr>\n
\u9759\u6001\u7535\u6d41<\/td>\n0.7 mA typ \/ 1.2 mA max @ 5 V\uff08\u5168\u90e8 4 \u4e2a\u653e\u5927\u5668\uff09<\/td>\n<\/tr>\n
\u8f93\u51fa\u7535\u6d41<\/td>\n40 mA \u7535\u6d41\u6e90\/20 mA \u7535\u6d41\u6c47\u5178\u578b\u503c<\/td>\n<\/tr>\n
CMRR<\/td>\n\u6700\u4f4e 65 \u5206\u8d1d\/\u5178\u578b\u503c 85 \u5206\u8d1d<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n0 \u00b0C \u81f3 +70 \u00b0C<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nPDIP-14\uff0819.31 x 6.35 x 5.08 \u6beb\u7c73\uff09<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • \u5355\u7535\u6e90\u8fd0\u884c\uff0c\u8f93\u5165\u7535\u538b\u4f4e\u81f3 3 V\uff0c\u5177\u6709\u63a5\u5730\u53c2\u8003\u529f\u80fd<\/li>\n
  • \u65e0\u9700\u5916\u90e8\u4e0b\u62c9\u7535\u963b\u5668\u5373\u53ef\u5c06\u8f93\u51fa\u4fe1\u53f7\u8f6c\u6362\u4e3a\u5730\u4fe1\u53f7<\/li>\n
  • \u5185\u90e8\u9891\u7387\u8865\u507f\uff0c\u5b9e\u73b0\u5355\u4f4d\u589e\u76ca\u7a33\u5b9a\u6027<\/li>\n
  • \u9759\u6001\u7535\u6d41\u51e0\u4e4e\u4e0e\u7535\u6e90\u7535\u538b\u65e0\u5173<\/li>\n
  • \u5dee\u5206\u8f93\u5165\u7535\u538b\u8303\u56f4\u7b49\u4e8e\u7535\u6e90\u7535\u538b<\/li>\n
  • \u65b0\u4e00\u4ee3 LM324B \u91c7\u7528 +\/-2 mV Vos\u300136 V \u7535\u6e90\u548c\u96c6\u6210 EMI \u6ee4\u6ce2\u5668<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • \u4f20\u611f\u5668\u4fe1\u53f7\u653e\u5927\u548c\u8c03\u8282<\/li>\n
    • \u76f4\u6d41\u589e\u76ca\u5757\u548c\u6709\u6e90\u6ee4\u6ce2\u5668<\/li>\n
    • \u5355\u7535\u6e90\u6a21\u62df\u4fe1\u53f7\u5904\u7406<\/li>\n
    • \u6bd4\u8f83\u4eea\u5e94\u7528<\/li>\n
    • \u7535\u6c60\u4f9b\u7535\u8bbe\u5907<\/li>\n
    • 5 V \u6570\u5b57\u7cfb\u7edf\u63a5\u53e3<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The LM324AN is an industry-standard quad general-purpose operational amplifier from Texas Instruments in a PDIP-14 through-hole package. The A-version provides improved 3 mV max input offset voltage (vs. 7 mV for the LM324N). It operates from a single 3 V to 32 V or dual +\/-1.5 V to +\/-16 V supply with only […]<\/p>\n","protected":false},"author":2,"featured_media":2243,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,20],"tags":[],"chip_brand":[138],"class_list":["post-2105","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-integrated-circuits-ics","category-interface-ics","chip_brand-ti"],"acf":{"brief_explanation":"Quad 30V 1.2MHz general-purpose op-amp, PDIP-14, single 3-32V or dual +\/-1.5-+\/-16V supply, 3mV max Vos, 700uA Iq, 0.5V\/us slew rate, 0-70C.","date_code":"","package_case":"PDIP-14 (19.31 x 6.35 x 5.08mm)","in_stock":6506,"datasheet":"https:\/\/www.ti.com\/product\/LM324","price":"$0.145 @ 1000+","product_introduction":"The LM324AN is TI industry-standard quad general-purpose operational amplifier in PDIP-14 package. The A-version offers improved 3mV max input offset voltage (vs 7mV for LM324N). It operates from single 3V-32V or dual +\/-1.5V to +\/-16V supplies with only 700uA quiescent current. Input common-mode range includes ground, and output swings to ground without pull-down resistors. 1.2MHz GBW and unity-gain stability make it versatile for DC gain, active filters, and signal conditioning.","working_principle":"The LM324A uses bipolar technology with a PNP differential input pair. Input bias current flows out of the IC (~45nA typ), allowing common-mode range to extend 0.3V below ground. The output stage is push-pull but has asymmetric drive: 40mA source vs 20mA sink. Internal frequency compensation ensures unity-gain stability without external components. Quiescent current is nearly independent of supply voltage, ideal for battery operation. Differential input voltage withstands up to supply rails without clamping diodes.","pin_description":"
      Pin<\/th>Name<\/th>Function<\/th>Description<\/th><\/tr>
      1<\/td>1OUT<\/td>Op-Amp 1 Output<\/td>-<\/td><\/tr>
      2<\/td>1IN-<\/td>Op-Amp 1 Inverting Input<\/td>-<\/td><\/tr>
      3<\/td>1IN+<\/td>Op-Amp 1 Non-inverting Input<\/td>-<\/td><\/tr>
      4<\/td>VCC<\/td>Positive Supply<\/td>3V~32V<\/td><\/tr>
      5<\/td>2IN+<\/td>Op-Amp 2 Non-inverting Input<\/td>-<\/td><\/tr>
      6<\/td>2IN-<\/td>Op-Amp 2 Inverting Input<\/td>-<\/td><\/tr>
      7<\/td>2OUT<\/td>Op-Amp 2 Output<\/td>-<\/td><\/tr>
      8<\/td>3OUT<\/td>Op-Amp 3 Output<\/td>-<\/td><\/tr>
      9<\/td>3IN-<\/td>Op-Amp 3 Inverting Input<\/td>-<\/td><\/tr>
      10<\/td>3IN+<\/td>Op-Amp 3 Non-inverting Input<\/td>-<\/td><\/tr>
      11<\/td>GND\/VEE<\/td>Ground \/ Negative Supply<\/td>Ground for single-supply<\/td><\/tr>
      12<\/td>4IN+<\/td>Op-Amp 4 Non-inverting Input<\/td>-<\/td><\/tr>
      13<\/td>4IN-<\/td>Op-Amp 4 Inverting Input<\/td>-<\/td><\/tr>
      14<\/td>4OUT<\/td>Op-Amp 4 Output<\/td>-<\/td><\/tr><\/table>","application_scenarios":"
      • Sensor signal amplification and conditioning<\/li>
      • DC gain blocks<\/li>
      • Single-supply analog signal processing<\/li>
      • Active filters<\/li>
      • Comparator applications<\/li>
      • Battery-powered devices<\/li>
      • 5V digital system interfaces<\/li><\/ul>","alternative_models":"
        Model<\/th>Type<\/th>Notes<\/th><\/tr>
        LM324B<\/td>Direct upgrade<\/td>+\/-2mV Vos; 36V; EMI filter; 2kV HBM ESD<\/td><\/tr>
        LM324AN\/NOPB<\/td>Same part<\/td>TI lead-free version<\/td><\/tr>
        LM224A<\/td>Functional equiv.<\/td>-25C to +85C extended range<\/td><\/tr>
        LM124A<\/td>Functional equiv.<\/td>-55C to +125C military temp<\/td><\/tr>
        MCP6004<\/td>Functional equiv.<\/td>Microchip 1.8-6V CMOS; ultra-low Iq<\/td><\/tr>
        TL074<\/td>Functional equiv.<\/td>TI JFET-input; 13MHz; low noise<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/2105","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=2105"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/2105\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media\/2243"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=2105"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=2105"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=2105"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=2105"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}