{"id":6710,"date":"2026-06-19T03:02:19","date_gmt":"2026-06-19T03:02:19","guid":{"rendered":"https:\/\/materialparts.com\/thvd2450dr\/"},"modified":"2026-06-19T03:02:19","modified_gmt":"2026-06-19T03:02:19","slug":"thvd2450dr","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/thvd2450dr\/","title":{"rendered":"THVD2450DR"},"content":{"rendered":"

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

The THVD2450DR from Texas Instruments is a \u00b170V fault-protected, half-duplex RS-485\/RS-422 transceiver in an 8-pin SOIC package. Operating from 3V to 5.5V supply, it supports data rates up to 50 Mbps with integrated IEC ESD protection (\u00b112 kV contact discharge), extended \u00b125V common-mode range, and 250 mV receiver hysteresis. With 1\/8 unit load supporting up to 256 bus nodes, glitch-free hot-plug capability, and thermal shutdown, it is designed for robust industrial communication.<\/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\n\n\n\n\n
Protocol<\/td>\nRS-485 \/ RS-422<\/td>\n<\/tr>\n
Duplex<\/td>\nHalf<\/td>\n<\/tr>\n
Data Rate (max)<\/td>\n50 Mbps<\/td>\n<\/tr>\n
\u062c\u0647\u062f \u0627\u0644\u0625\u0645\u062f\u0627\u062f<\/td>\n3V to 5.5V<\/td>\n<\/tr>\n
Fault Protection<\/td>\n\u00b170V on bus pins<\/td>\n<\/tr>\n
Common-Mode Range<\/td>\n\u00b125V<\/td>\n<\/tr>\n
Receiver Hysteresis<\/td>\n250 mV<\/td>\n<\/tr>\n
IEC 61000-4-2 ESD<\/td>\n\u00b112 kV contact, \u00b112 kV air-gap<\/td>\n<\/tr>\n
HBM ESD<\/td>\n\u00b116 kV<\/td>\n<\/tr>\n
Supply Current (operating)<\/td>\n5.6 mA max<\/td>\n<\/tr>\n
\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0627\u062d\u062a\u064a\u0627\u0637\u064a<\/td>\n< 1 \u00b5A<\/td>\n<\/tr>\n
Unit Load<\/td>\n1\/8 (up to 256 nodes)<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-40 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0625\u0644\u0649 +125 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nSOIC-8 (4.9 x 6 mm)<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • \u00b170V DC bus fault protection on all bus pins<\/li>\n
  • Integrated IEC ESD: \u00b112 kV contact discharge<\/li>\n
  • Extended \u00b125V common-mode range<\/li>\n
  • 50 Mbps data rate for high-speed communication<\/li>\n
  • 250 mV receiver hysteresis for noise immunity<\/li>\n
  • 1\/8 unit load supports up to 256 bus nodes<\/li>\n
  • Glitch-free hot-plug power-up\/down<\/li>\n
  • Open, short, and idle bus failsafe<\/li>\n
  • Thermal shutdown protection<\/li>\n
  • PROFIBUS compatible (5V supply)<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • Industrial automation and process control<\/li>\n
    • Factory automation fieldbus communication<\/li>\n
    • Building automation and HVAC systems<\/li>\n
    • Motor drive and inverter communication<\/li>\n
    • PROFIBUS networks<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The THVD2450DR from Texas Instruments is a \u00b170V fault-protected, half-duplex RS-485\/RS-422 transceiver in an 8-pin SOIC package. Operating from 3V to 5.5V supply, it supports data rates up to 50 Mbps with integrated IEC ESD protection (\u00b112 kV contact discharge), extended \u00b125V common-mode range, and 250 mV receiver hysteresis. With 1\/8 unit load […]<\/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-6710","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-interface-ics","chip_brand-ti"],"acf":{"brief_explanation":"RS-485 transceiver, 50Mbps, \u00b170V fault-protected, IEC ESD, SOIC-8","date_code":"","package_case":"SOIC-8 (4.9 x 6.0 mm)","in_stock":1785,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/thvd2410.pdf","price":"$1.68 @ 1ku","product_introduction":"The THVD2450DR from Texas Instruments is a \u00b170V fault-protected, half-duplex RS-485\/RS-422 transceiver supporting data rates up to 50 Mbps in an 8-pin SOIC package. It features integrated IEC 61000-4-2 ESD protection (\u00b112 kV contact), extended \u00b125V common-mode range, 250 mV receiver hysteresis, and 1\/8 unit load for up to 256 bus nodes. With glitch-free hot-plug, thermal shutdown, and bus failsafe, it is designed for robust communication in demanding industrial environments from -40\u00b0C to 125\u00b0C.","working_principle":"The THVD2450DR integrates an RS-485 differential driver and receiver in a half-duplex configuration with active-high driver enable (DE) and active-low receiver enable (RE). The driver converts single-ended TTL\/CMOS logic to differential signals compliant with TIA\/EIA-485-A, delivering >2.1V differential output at 5V supply for PROFIBUS compatibility. The receiver converts differential bus signals to single-ended logic with 250 mV hysteresis for noise rejection. The \u00b170V fault protection circuitry on bus pins uses clamping structures that protect against miswiring and overvoltage in all operating modes. Integrated IEC ESD protection cells absorb high-energy discharge events without external TVS diodes. The failsafe biasing ensures the receiver outputs a logic high when the bus is open, shorted, or idle (all transmitters off). Thermal shutdown disables the driver if junction temperature exceeds safe limits.","pin_description":"\n
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>\n
      1<\/td>R<\/td>Output<\/td>Receiver output<\/td><\/tr>\n
      2<\/td>RE<\/td>Input<\/td>Receiver enable (active low)<\/td><\/tr>\n
      3<\/td>DE<\/td>Input<\/td>Driver enable (active high)<\/td><\/tr>\n
      4<\/td>D<\/td>Input<\/td>Driver input<\/td><\/tr>\n
      5<\/td>GND<\/td>Power<\/td>Ground<\/td><\/tr>\n
      6<\/td>A<\/td>I\/O<\/td>Bus non-inverting terminal<\/td><\/tr>\n
      7<\/td>B<\/td>I\/O<\/td>Bus inverting terminal<\/td><\/tr>\n
      8<\/td>VCC<\/td>Power<\/td>Supply voltage (3V to 5.5V)<\/td><\/tr>\n<\/table>","application_scenarios":"
        \n
      • Industrial automation and process control fieldbus networks<\/li>\n
      • PROFIBUS communication in factory automation<\/li>\n
      • Building automation and HVAC control systems<\/li>\n
      • Motor drive and inverter communication interfaces<\/li>\n
      • Power grid and energy management communication links<\/li>\n<\/ul>","alternative_models":"\n
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>\n
        Texas Instruments<\/td>THVD2410DR<\/td>SOIC-8<\/td>500kbps version, same fault protection<\/td><\/tr>\n
        Texas Instruments<\/td>THVD2450DGK<\/td>VSSOP-8<\/td>Same function, smaller VSSOP package<\/td><\/tr>\n
        Analog Devices<\/td>ADM3075EARZ<\/td>SOIC-8<\/td>500kbps, \u00b115kV ESD<\/td><\/tr>\n
        Maxim Integrated<\/td>MAX3485ESA+<\/td>SOIC-8<\/td>12Mbps, 3.3V, no fault protection<\/td><\/tr>\n
        Renesas<\/td>ISL3179EIUZ<\/td>TSSOP-8<\/td>50Mbps, 3.3V\/5V<\/td><\/tr>\n<\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/6710","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=6710"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/6710\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=6710"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=6710"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=6710"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=6710"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}