{"id":2621,"date":"2026-05-24T01:31:06","date_gmt":"2026-05-24T01:31:06","guid":{"rendered":"https:\/\/materialparts.com\/adm3488arz-reel7\/"},"modified":"2026-05-24T01:31:06","modified_gmt":"2026-05-24T01:31:06","slug":"adm3488arz-reel7","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/adm3488arz-reel7\/","title":{"rendered":"ADM3488ARZ-REEL7"},"content":{"rendered":"

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

The ADM3488ARZ-REEL7 from Analog Devices is a 3.3V full-duplex RS-485\/RS-422 transceiver with \u00b115kV ESD protection in an 8-SOIC package. Slew-rate-limited for 250kbps operation, it supports up to 32 nodes on the bus with 12kOhm receiver input impedance.<\/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
Protocol<\/td>\nRS-485 \/ RS-422<\/td>\n<\/tr>\n
Duplex<\/td>\nFull Duplex<\/td>\n<\/tr>\n
\u0645\u0639\u062f\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a<\/td>\n250kbps<\/td>\n<\/tr>\n
\u062c\u0647\u062f \u0627\u0644\u0625\u0645\u062f\u0627\u062f<\/td>\n3V ~ 3.6V<\/td>\n<\/tr>\n
ESD Protection<\/td>\n\u00b115kV (HBM)<\/td>\n<\/tr>\n
Nodes on Bus<\/td>\nUp to 32<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\n8-SOIC (SOIC_N)<\/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 +85 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • 3.3V single supply operation<\/li>\n
  • \u00b115kV ESD protection on RS-485 I\/O pins<\/li>\n
  • Slew-rate-limited drivers minimize EMI and reflections<\/li>\n
  • Full-duplex with dedicated driver\/receiver paths<\/li>\n
  • Thermal shutdown and short-circuit protection<\/li>\n
  • Industry-standard 75176 pinout<\/li>\n
  • Receiver open-circuit fail-safe design<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • Industrial process control networks<\/li>\n
    • Power and energy metering<\/li>\n
    • Telecommunications equipment<\/li>\n
    • EMI-sensitive systems<\/li>\n
    • Local area networks<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The ADM3488ARZ-REEL7 from Analog Devices is a 3.3V full-duplex RS-485\/RS-422 transceiver with \u00b115kV ESD protection in an 8-SOIC package. Slew-rate-limited for 250kbps operation, it supports up to 32 nodes on the bus with 12kOhm receiver input impedance. Key Specifications Protocol RS-485 \/ RS-422 Duplex Full Duplex Data Rate 250kbps Supply Voltage 3V ~ […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,20],"tags":[],"chip_brand":[165],"class_list":["post-2621","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-interface-ics","chip_brand-adi"],"acf":{"brief_explanation":"3.3V RS-485\/RS-422 full-duplex transceiver, 250kbps, \u00b115kV ESD, 8-SOIC","date_code":"","package_case":"8-SOIC (5.0 x 6.2 x 1.75 mm)","in_stock":12476,"datasheet":"https:\/\/www.analog.com\/ADM3488E","price":"$2.00 @ 1ku","product_introduction":"The ADM3488ARZ-REEL7 from Analog Devices is a 3.3V low-power RS-485\/RS-422 transceiver featuring \u00b115kV ESD protection on all bus pins. As a full-duplex device, it provides separate differential driver outputs and receiver inputs with independent enable controls. The slew-rate-limited driver output minimizes EMI and eliminates reflections caused by improperly terminated cables, enabling error-free transmission at data rates up to 250kbps. With 12kOhm receiver input impedance, up to 32 transceivers can share a single bus. The device includes thermal shutdown and short-circuit protection for robust operation in harsh industrial environments.","working_principle":"The ADM3488E converts between single-ended TTL\/CMOS logic levels and differential RS-485\/RS-422 signals. The driver section generates differential outputs compliant with TIA\/EIA RS-485 standards, while the receiver converts differential bus signals back to single-ended logic. The slew-rate-limited driver output transitions gradually to reduce high-frequency spectral content that causes EMI and cable reflections. When disabled or powered off, outputs enter high-impedance state to avoid bus loading. The fail-safe receiver ensures a logic-high output when inputs are floating or the bus is open-circuited. The \u00b115kV ESD protection uses transient voltage suppression structures on the bus pins.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>RO<\/td>Output<\/td>Receiver output<\/td><\/tr>
      2<\/td>RE<\/td>Input<\/td>Receiver enable (active low)<\/td><\/tr>
      3<\/td>DE<\/td>Input<\/td>Driver enable (active high)<\/td><\/tr>
      4<\/td>DI<\/td>Input<\/td>Driver data input<\/td><\/tr>
      5<\/td>GND<\/td>Power<\/td>Ground<\/td><\/tr>
      6<\/td>A<\/td>I\/O<\/td>Non-inverting bus pin<\/td><\/tr>
      7<\/td>B<\/td>I\/O<\/td>Inverting bus pin<\/td><\/tr>
      8<\/td>VCC<\/td>Power<\/td>3.3V supply<\/td><\/tr><\/table>","application_scenarios":"
      • Industrial process control RS-485 networks (Modbus RTU)<\/li>
      • Smart meter power\/energy monitoring communication<\/li>
      • Telecommunications equipment interface<\/li>
      • Building automation HVAC control networks<\/li>
      • EMI-sensitive environments with long cable runs<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        TI<\/td>SN65HVD11D<\/td>8-SOIC<\/td>3.3V, 250kbps, half-duplex<\/td><\/tr>
        ADI<\/td>MAX3488ECSA+<\/td>8-SOIC<\/td>3.3V, 250kbps, full-duplex<\/td><\/tr>
        ADI<\/td>ADM3486EARZ<\/td>8-SOIC<\/td>3.3V, 2.5Mbps, half-duplex<\/td><\/tr>
        TI<\/td>SN65HVD10D<\/td>8-SOIC<\/td>3.3V, 10Mbps, full-duplex<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/2621","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=2621"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/2621\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=2621"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=2621"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=2621"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=2621"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}