{"id":11641,"date":"2026-07-26T14:02:46","date_gmt":"2026-07-26T14:02:46","guid":{"rendered":"https:\/\/ic-vendor.com\/71m6541d-igt-f\/"},"modified":"2026-07-26T14:02:46","modified_gmt":"2026-07-26T14:02:46","slug":"71m6541d-igt-f","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/ar\/71m6541d-igt-f\/","title":{"rendered":"71M6541D-IGT\/F"},"content":{"rendered":"<h2>\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n<p>The 71M6541D-IGT\/F from Teridian (Maxim Integrated) is a single-phase energy metering analog front-end IC with 24-bit sigma-delta ADCs achieving 0.1% accuracy over a 1000:1 dynamic range. It integrates a precision RTC, voltage reference, and LCD driver for smart meter applications.<\/p>\n<h2>\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n<table>\n<tr>\n<td>\u0627\u0644\u0648\u0638\u064a\u0641\u0629<\/td>\n<td>Single-phase energy metering AFE<\/td>\n<\/tr>\n<tr>\n<td>Accuracy<\/td>\n<td>0.1% over 1000:1 dynamic range<\/td>\n<\/tr>\n<tr>\n<td>ADC Resolution<\/td>\n<td>24-bit sigma-delta<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u0648\u0627\u062c\u0647\u0629<\/td>\n<td>SPI<\/td>\n<\/tr>\n<tr>\n<td>\u062c\u0647\u062f \u0627\u0644\u0625\u0645\u062f\u0627\u062f<\/td>\n<td>3.3V or 5V<\/td>\n<\/tr>\n<tr>\n<td>Operating Temp<\/td>\n<td>-40 to +85\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\n<td>LQFP-64 (10x10mm)<\/td>\n<\/tr>\n<\/table>\n<h2>\u0645\u0628\u062f\u0623 \u0627\u0644\u0639\u0645\u0644<\/h2>\n<p>Two 24-bit sigma-delta ADCs sample voltage and current channels simultaneously. A 32-bit compute engine (CE) performs real-time multiplication and integration for active\/reactive energy, RMS, and power factor. Internal temperature compensation and gain calibration maintain 0.1% accuracy across temperature and time.<\/p>\n<h2>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n<ul>\n<li>Single-phase smart electricity meter<\/li>\n<li>Sub-metering \/ tenant metering<\/li>\n<li>Energy monitoring in IoT<\/li>\n<li>Prepayment meter<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Product Overview The 71M6541D-IGT\/F from Teridian (Maxim Integrated) is a single-phase energy metering analog front-end IC with 24-bit sigma-delta ADCs achieving 0.1% accuracy over a 1000:1 dynamic range. It integrates a precision RTC, voltage reference, and LCD driver for smart meter applications. Key Specifications Function Single-phase energy metering AFE Accuracy 0.1% over 1000:1 dynamic range [&hellip;]<\/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":[2919],"chip_brand":[2918],"class_list":["post-11641","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","tag-71m6541d-igt-f","chip_brand-teridian"],"acf":{"brief_explanation":"Single-phase energy metering AFE, 0.1%, 24-bit, LQFP-64","date_code":"","package_case":"LQFP-64","in_stock":14228,"datasheet":"https:\/\/www.maximintegrated.com\/en\/products\/analog\/energy-measurement\/71M6541D.html","price":"","product_introduction":"The 71M6541D-IGT\/F from Teridian (Maxim Integrated) is a single-phase energy metering analog front-end IC with 24-bit sigma-delta ADCs achieving 0.1% accuracy over a 1000:1 dynamic range. It integrates a precision RTC, voltage reference, and LCD driver for smart meter applications.","working_principle":"Two 24-bit sigma-delta ADCs sample voltage and current channels simultaneously. A 32-bit compute engine (CE) performs real-time multiplication and integration for active\/reactive energy, RMS, and power factor. Internal temperature compensation and gain calibration maintain 0.1% accuracy across temperature and time.","pin_description":"<table><tr><th>Pin<\/th><th>Name<\/th><th>Description<\/th><\/tr><tr><td>1<\/td><td>VREF<\/td><td>Voltage reference output<\/td><\/tr><tr><td>2<\/td><td>VA<\/td><td>Analog supply<\/td><\/tr><tr><td>3<\/td><td>IA<\/td><td>Current channel A input<\/td><\/tr><tr><td>4<\/td><td>IB<\/td><td>Current channel B input<\/td><\/tr><tr><td>5<\/td><td>VB<\/td><td>Voltage channel input<\/td><\/tr><tr><td>6-13<\/td><td>DIO0-DIO7<\/td><td>Digital I\/O<\/td><\/tr><tr><td>14<\/td><td>SCK<\/td><td>SPI clock<\/td><\/tr><tr><td>15<\/td><td>MOSI<\/td><td>SPI data in<\/td><\/tr><tr><td>16<\/td><td>MISO<\/td><td>SPI data out<\/td><\/tr><tr><td>17<\/td><td>CS<\/td><td>SPI chip select<\/td><\/tr><tr><td>18<\/td><td>IRQ<\/td><td>Interrupt output<\/td><\/tr><\/table>","application_scenarios":"<ul><li>Single-phase smart electricity meter<\/li><li>Sub-metering \/ tenant metering<\/li><li>Energy monitoring in IoT<\/li><li>Prepayment meter<\/li><\/ul>","alternative_models":"<table><tr><th>Model<\/th><th>Manufacturer<\/th><th>Key Difference<\/th><\/tr><tr><td>71M6543T<\/td><td>Teridian<\/td><td>3-phase version<\/td><\/tr><tr><td>ADE7953<\/td><td>ADI<\/td><td>Similar single-phase AFE<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts\/11641","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/comments?post=11641"}],"version-history":[{"count":0,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts\/11641\/revisions"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/media?parent=11641"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/categories?post=11641"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/tags?post=11641"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=11641"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}