{"id":5333,"date":"2026-06-09T11:29:23","date_gmt":"2026-06-09T11:29:23","guid":{"rendered":"https:\/\/materialparts.com\/xtr116u-2k5\/"},"modified":"2026-06-09T11:29:23","modified_gmt":"2026-06-09T11:29:23","slug":"xtr116u-2k5","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/xtr116u-2k5\/","title":{"rendered":"XTR116U\/2K5"},"content":{"rendered":"

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

XTR116U\/2K5 from TI is a precision 4-20mA current loop transmitter with on-chip 5V regulator and 2.5V reference for two-wire 4-20mA transmitter applications. SOIC-8. \/2K5 = 2500-unit tape-and-reel.<\/p>\n

\u5de5\u4f5c\u539f\u7406<\/h2>\n

Converts voltage input from sensor\/bridge into precision 4-20mA current loop output. On-chip 5V VREG powers external circuitry (up to 3.6mA). 2.5V VREF provides bias. Current output is loop-powered, requiring only two wires. Precise span and offset adjustment via external resistors.<\/p>\n

Pin Description<\/h2>\n\n\n\n\n\n\n\n\n\n\n
\u9488\u811a<\/th>\n\u540d\u79f0<\/th>\n\u529f\u80fd<\/th>\n<\/tr>\n
1<\/td>\nVREF<\/td>\n2.5V reference output<\/td>\n<\/tr>\n
2<\/td>\nIIN<\/td>\nCurrent input<\/td>\n<\/tr>\n
3<\/td>\nIRET<\/td>\nReturn current<\/td>\n<\/tr>\n
4<\/td>\nVGND<\/td>\n\u5730\u9762<\/td>\n<\/tr>\n
5<\/td>\nIOUT<\/td>\n4-20mA output<\/td>\n<\/tr>\n
6<\/td>\nE<\/td>\n\u53d1\u5c04\u5668<\/td>\n<\/tr>\n
7<\/td>\nB<\/td>\nBase drive<\/td>\n<\/tr>\n
8<\/td>\nVREG<\/td>\n5V regulated output<\/td>\n<\/tr>\n<\/table>\n

\u5e94\u7528<\/h2>\n
    \n
  • Industrial process control<\/li>\n
  • Pressure\/temperature transmitters<\/li>\n
  • 4-20mA current loop<\/li>\n
  • Remote sensing<\/li>\n<\/ul>\n

    Alternative Models<\/h2>\n\n\n\n\n
    Mfr<\/th>\nPart<\/th>\n\u8bf4\u660e<\/th>\n<\/tr>\n
    TI<\/td>\nXTR115U\/2K5<\/td>\nLower reference version<\/td>\n<\/tr>\n
    ADI<\/td>\nAD694JN<\/td>\nVoltage input version<\/td>\n<\/tr>\n<\/table>","protected":false},"excerpt":{"rendered":"

    Product Overview XTR116U\/2K5 from TI is a precision 4-20mA current loop transmitter with on-chip 5V regulator and 2.5V reference for two-wire 4-20mA transmitter applications. SOIC-8. \/2K5 = 2500-unit tape-and-reel. Working Principle Converts voltage input from sensor\/bridge into precision 4-20mA current loop output. On-chip 5V VREG powers external circuitry (up to 3.6mA). 2.5V VREF provides bias. […]<\/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":[19,13],"tags":[],"chip_brand":[138],"class_list":["post-5333","post","type-post","status-publish","format-standard","hentry","category-analog-linear-ics","category-integrated-circuits-ics","chip_brand-ti"],"acf":{"brief_explanation":"4-20mA current loop transmitter, 2-wire, SOIC-8","date_code":"","package_case":"SOIC-8 (4.9x6.0mm, 1.27mm pitch)","in_stock":10879,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/xtr116.pdf","price":"$3.50 @ 1ku","product_introduction":"XTR116U\/2K5 from TI is a precision 4-20mA current loop transmitter with on-chip 5V regulator and 2.5V reference for two-wire 4-20mA transmitter applications. SOIC-8. \/2K5 = 2500-unit tape-and-reel.","working_principle":"Converts voltage input from sensor\/bridge into precision 4-20mA current loop output. On-chip 5V VREG powers external circuitry (up to 3.6mA). 2.5V VREF provides bias. Current output is loop-powered, requiring only two wires. Precise span and offset adjustment via external resistors.","pin_description":"
    Pin<\/th>Name<\/th>Function<\/th><\/tr>
    1<\/td>VREF<\/td>2.5V reference output<\/td><\/tr>
    2<\/td>IIN<\/td>Current input<\/td><\/tr>
    3<\/td>IRET<\/td>Return current<\/td><\/tr>
    4<\/td>VGND<\/td>Ground<\/td><\/tr>
    5<\/td>IOUT<\/td>4-20mA output<\/td><\/tr>
    6<\/td>E<\/td>Emitter<\/td><\/tr>
    7<\/td>B<\/td>Base drive<\/td><\/tr>
    8<\/td>VREG<\/td>5V regulated output<\/td><\/tr><\/table>","application_scenarios":"
    • Industrial process control<\/li>
    • Pressure\/temperature transmitters<\/li>
    • 4-20mA current loop<\/li>
    • Remote sensing<\/li><\/ul>","alternative_models":"
      Mfr<\/th>Part<\/th>Notes<\/th><\/tr>
      TI<\/td>XTR115U\/2K5<\/td>Lower reference version<\/td><\/tr>
      ADI<\/td>AD694JN<\/td>Voltage input version<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5333","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=5333"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5333\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=5333"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=5333"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=5333"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=5333"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}