{"id":6542,"date":"2026-06-18T13:44:55","date_gmt":"2026-06-18T13:44:55","guid":{"rendered":"https:\/\/materialparts.com\/iso7742qdbqq1\/"},"modified":"2026-06-18T13:44:55","modified_gmt":"2026-06-18T13:44:55","slug":"iso7742qdbqq1","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/iso7742qdbqq1\/","title":{"rendered":"ISO7742QDBQQ1"},"content":{"rendered":"

\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n

The ISO7742QDBQQ1 from Texas Instruments is an automotive-qualified (AEC-Q100) high-speed reinforced quad-channel digital isolator with a 2\/2 channel configuration. It provides 5000Vrms isolation with CMTI up to 100kV\/us, operating at data rates up to 100Mbps from 2.5V to 5.5V supplies.<\/p>\n

\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n\n\n\n\n\n\n\n\n\n\n
Isolation Rating<\/td>\nReinforced, 5000Vrms<\/td>\n<\/tr>\n
\u0627\u0644\u0642\u0646\u0648\u0627\u062a<\/td>\n4 (2 forward, 2 reverse)<\/td>\n<\/tr>\n
\u0645\u0639\u062f\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a<\/td>\n\u062d\u062a\u0649 100 \u0645\u064a\u062c\u0627\u0628\u062a \u0641\u064a \u0627\u0644\u062b\u0627\u0646\u064a\u0629<\/td>\n<\/tr>\n
CMTI<\/td>\n85kV\/us typ, 100kV\/us min<\/td>\n<\/tr>\n
\u062a\u0623\u062e\u064a\u0631 \u0627\u0644\u0627\u0646\u062a\u0634\u0627\u0631<\/td>\n11ns (typ)<\/td>\n<\/tr>\n
\u062c\u0647\u062f \u0627\u0644\u0625\u0645\u062f\u0627\u062f<\/td>\n2.5V to 5.5V<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\n16-SOIC (7.5mm width)<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-40 to +125 C<\/td>\n<\/tr>\n
\u0627\u0644\u0645\u0624\u0647\u0644\u0627\u062a<\/td>\nAEC-Q100<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • Robust EMC performance for automotive environments<\/li>\n
  • 5000Vrms reinforced isolation with high CMTI<\/li>\n
  • 2\/2 bidirectional channel configuration<\/li>\n
  • Low propagation delay: 11ns typical<\/li>\n
  • Wide supply range: 2.5V to 5.5V per side<\/li>\n
  • UL 1577 and VDE certified<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • Automotive CAN\/LIN bus isolation<\/li>\n
    • Industrial communication interfaces<\/li>\n
    • Power supply feedback loop isolation<\/li>\n
    • Motor drive signal isolation<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The ISO7742QDBQQ1 from Texas Instruments is an automotive-qualified (AEC-Q100) high-speed reinforced quad-channel digital isolator with a 2\/2 channel configuration. It provides 5000Vrms isolation with CMTI up to 100kV\/us, operating at data rates up to 100Mbps from 2.5V to 5.5V supplies. Key Specifications Isolation Rating Reinforced, 5000Vrms Channels 4 (2 forward, 2 reverse) Data […]<\/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":[13,20],"tags":[],"chip_brand":[138],"class_list":["post-6542","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-interface-ics","chip_brand-ti"],"acf":{"brief_explanation":"Automotive reinforced quad-channel digital isolator, 2\/2 config, 5000Vrms, 100Mbps, AEC-Q100","date_code":"","package_case":"16-SOIC (7.5mm width)","in_stock":11261,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/iso774x-q1.pdf","price":"$1.21 @ 1ku","product_introduction":"The ISO7742QDBQQ1 is an automotive-qualified, high-speed, reinforced quad-channel digital isolator with a 2\/2 channel configuration. It provides 5000Vrms reinforced isolation with CMTI up to 100kV\/us, making it suitable for harsh automotive and industrial environments. The device supports data rates up to 100Mbps with a typical propagation delay of only 11ns. Each side operates from a 2.5V to 5.5V supply, enabling level translation between different voltage domains. The robust EMC design ensures reliable operation in noisy environments.","working_principle":"The ISO7742QDBQQ1 uses capacitive isolation technology with on-chip transformers to couple digital signals across the isolation barrier. The input signal is encoded and transmitted through the isolation capacitor, then decoded on the output side. The device features a fail-safe mechanism that defaults the output to a defined state when the input is not powered or the signal is lost. The robust EMC design includes filtering and shielding to minimize radiated and conducted emissions while maintaining high immunity to external electromagnetic interference.","pin_description":"
      Pin<\/th>Name<\/th>Function<\/th><\/tr>
      1<\/td>VCC1<\/td>Side 1 supply voltage<\/td><\/tr>
      2<\/td>INA<\/td>Channel A input (forward)<\/td><\/tr>
      3<\/td>OUTB<\/td>Channel B output (reverse)<\/td><\/tr>
      4<\/td>INC<\/td>Channel C input (forward)<\/td><\/tr>
      5<\/td>OUTD<\/td>Channel D output (reverse)<\/td><\/tr>
      6<\/td>EN1<\/td>Side 1 output enable<\/td><\/tr>
      7-8<\/td>GND1<\/td>Side 1 ground<\/td><\/tr>
      9-10<\/td>GND2<\/td>Side 2 ground<\/td><\/tr>
      11<\/td>ENA2<\/td>Side 2 output enable<\/td><\/tr>
      12<\/td>IND<\/td>Channel D input (reverse)<\/td><\/tr>
      13<\/td>OUTC<\/td>Channel C output (forward)<\/td><\/tr>
      14<\/td>INB<\/td>Channel B input (reverse)<\/td><\/tr>
      15<\/td>OUTA<\/td>Channel A output (forward)<\/td><\/tr>
      16<\/td>VCC2<\/td>Side 2 supply voltage<\/td><\/tr><\/table>","application_scenarios":"
      • Automotive CAN bus and LIN bus isolation between domains<\/li>
      • Industrial RS-485\/RS-422 interface isolation with high CMTI<\/li>
      • Isolated SPI communication between MCU and power stage<\/li>
      • Battery management system signal isolation in HEV\/EV<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>
        ISO7741QDBQQ1<\/td>TI<\/td>3\/1 channel configuration<\/td><\/tr>
        ISO7740QDBQQ1<\/td>TI<\/td>4\/0 all forward channels<\/td><\/tr>
        Si8642<\/td>Silicon Labs<\/td>Quad 2\/2, 150Mbps<\/td><\/tr>
        ADuM1412<\/td>ADI<\/td>Quad 2\/2, iCoupler<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/6542","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=6542"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/6542\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=6542"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=6542"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=6542"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=6542"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}