{"id":6282,"date":"2026-06-12T11:13:30","date_gmt":"2026-06-12T11:13:30","guid":{"rendered":"https:\/\/materialparts.com\/iso3082dw\/"},"modified":"2026-06-12T11:13:30","modified_gmt":"2026-06-12T11:13:30","slug":"iso3082dw","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/iso3082dw\/","title":{"rendered":"ISO3082DW"},"content":{"rendered":"

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

The ISO3082DW from Texas Instruments is an isolated full-duplex RS-485\/RS-422 transceiver providing 2500V RMS galvanic isolation. It supports data rates up to 1Mbps and features integrated \u00b18kV IEC ESD protection, making it ideal for harsh industrial environments where ground loop isolation and noise immunity are required.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n
\u6570\u636e\u901f\u7387<\/td>\nUp to 1Mbps<\/td>\n<\/tr>\n
\u9694\u79bb\u7535\u538b<\/td>\n2500V RMS (1 minute)<\/td>\n<\/tr>\n
Supply (Logic Side)<\/td>\n3.3V or 5V<\/td>\n<\/tr>\n
Supply (Bus Side)<\/td>\n5V<\/td>\n<\/tr>\n
Common Mode Voltage<\/td>\n\u00b112V<\/td>\n<\/tr>\n
ESD Protection<\/td>\n\u00b18kV IEC contact discharge<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40\u00b0C to +85\u00b0C<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nSOIC-16W (300mil)<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • 2500V RMS galvanic isolation for safety and noise immunity<\/li>\n
  • Full-duplex RS-485\/RS-422 communication<\/li>\n
  • Data rates up to 1Mbps<\/li>\n
  • Integrated \u00b18kV IEC ESD protection on bus pins<\/li>\n
  • 3.3V\/5V logic-side supply flexibility<\/li>\n
  • Fail-safe receiver for open\/short\/idle bus conditions<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Industrial automation and process control<\/li>\n
    • Motor drive and inverter systems<\/li>\n
    • Smart grid and power metering<\/li>\n
    • Building automation networks<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The ISO3082DW from Texas Instruments is an isolated full-duplex RS-485\/RS-422 transceiver providing 2500V RMS galvanic isolation. It supports data rates up to 1Mbps and features integrated \u00b18kV IEC ESD protection, making it ideal for harsh industrial environments where ground loop isolation and noise immunity are required. Key Specifications Data Rate Up to 1Mbps […]<\/p>\n","protected":false},"author":2,"featured_media":6377,"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-6282","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-integrated-circuits-ics","category-interface-ics","chip_brand-ti"],"acf":{"brief_explanation":"Isolated full-duplex RS-485\/RS-422 transceiver, 1Mbps, 2500V RMS isolation, SOIC-16W","date_code":"","package_case":"SOIC-16W (300mil)","in_stock":5361,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/iso3082.pdf","price":"$3.45 @1ku","product_introduction":"The ISO3082DW is an isolated full-duplex RS-485\/RS-422 transceiver from Texas Instruments designed for robust industrial communication. It integrates 2500V RMS galvanic isolation between the logic and bus sides, eliminating ground loops and providing protection against high-voltage transients. The device supports data rates up to 1Mbps and features integrated \u00b18kV IEC ESD protection on bus pins, ensuring reliable operation in electrically harsh environments such as factory automation and motor drive systems.","working_principle":"The ISO3082DW consists of two galvanically isolated sections connected by silicon dioxide isolation barriers. The logic side interfaces with the host MCU at 3.3V or 5V logic levels, while the bus side drives the RS-485\/RS-422 differential bus at 5V. Data is transferred across the isolation barrier using on-chip transformer coupling. In full-duplex mode, the driver and receiver operate simultaneously on separate differential pairs. The receiver features fail-safe biasing that guarantees a logic-high output when the bus is open, shorted, or idle, preventing false data reception.","pin_description":"
      Pin<\/th>Name<\/th>Description<\/th><\/tr>
      1<\/td>VCC1<\/td>Logic-side supply (3.3V\/5V)<\/td><\/tr>
      2<\/td>RO<\/td>Receiver output<\/td><\/tr>
      3<\/td>\/RE<\/td>Receiver enable (active low)<\/td><\/tr>
      4<\/td>DE<\/td>Driver enable<\/td><\/tr>
      5<\/td>DI<\/td>Driver data input<\/td><\/tr>
      6<\/td>GND1<\/td>Logic-side ground<\/td><\/tr>
      7-8<\/td>NC<\/td>No connect<\/td><\/tr>
      9-10<\/td>A, B<\/td>Bus receiver inputs<\/td><\/tr>
      11<\/td>GND2<\/td>Bus-side ground<\/td><\/tr>
      12<\/td>VCC2<\/td>Bus-side supply (5V)<\/td><\/tr>
      13-14<\/td>Z, Y<\/td>Bus driver outputs<\/td><\/tr>
      15-16<\/td>NC<\/td>No connect<\/td><\/tr><\/table>","application_scenarios":"
      • Industrial automation fieldbus communication (RS-485\/RS-422)<\/li>
      • Motor drive and inverter control interfaces<\/li>
      • Smart grid power metering and monitoring<\/li>
      • Building automation HVAC and lighting networks<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Isolation<\/th>Speed<\/th>Duplex<\/th><\/tr>
        ISO3086DW<\/td>TI<\/td>2500V RMS<\/td>1Mbps<\/td>Half<\/td><\/tr>
        ADM2485E<\/td>ADI<\/td>2500V RMS<\/td>20Mbps<\/td>Half<\/td><\/tr>
        ISO15<\/td>TI<\/td>2500V RMS<\/td>1Mbps<\/td>Half<\/td><\/tr>
        Si8621<\/td>Silicon Labs<\/td>5000V RMS<\/td>1Mbps<\/td>Half<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/6282","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=6282"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/6282\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media\/6377"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=6282"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=6282"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=6282"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=6282"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}