{"id":7537,"date":"2026-06-26T04:21:33","date_gmt":"2026-06-26T04:21:33","guid":{"rendered":"https:\/\/materialparts.com\/max3232idr\/"},"modified":"2026-06-26T04:21:33","modified_gmt":"2026-06-26T04:21:33","slug":"max3232idr","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/max3232idr\/","title":{"rendered":"MAX3232IDR"},"content":{"rendered":"

Productos<\/h2>\n

The MAX3232IDR from Texas Instruments is a 3V to 5.5V dual-channel RS-232 line driver\/receiver with +\/-15kV ESD protection, operating up to 250kbps in SOIC-16 package.<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n
Standard<\/td>\nTIA\/EIA-232-F<\/td>\n<\/tr>\n
Drivers \/ Receivers<\/td>\n2 \/ 2<\/td>\n<\/tr>\n
Velocidad de datos<\/td>\n250 kbps<\/td>\n<\/tr>\n
Tensi\u00f3n de alimentaci\u00f3n<\/td>\n3V to 5.5V<\/td>\n<\/tr>\n
Supply Current<\/td>\n300 uA typical<\/td>\n<\/tr>\n
ESD Protection<\/td>\n+\/-15 kV HBM on bus pins<\/td>\n<\/tr>\n
External Capacitors<\/td>\n4 x 0.1uF<\/td>\n<\/tr>\n
Output Voltage Swing<\/td>\n+\/-5.4V typical<\/td>\n<\/tr>\n
Velocidad de giro<\/td>\n6 to 30 V\/us<\/td>\n<\/tr>\n
Paquete<\/td>\nSOIC-16 (D suffix)<\/td>\n<\/tr>\n
Temperatura de funcionamiento<\/td>\n-40 to +85 C<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • +\/-15kV HBM ESD protection on all RS-232 bus pins<\/li>\n
  • Operates from single 3V to 5.5V supply with dual charge pump<\/li>\n
  • Only 4 external 0.1uF capacitors required<\/li>\n
  • Accepts 5V logic input with 3.3V supply<\/li>\n
  • 300uA low supply current for battery-powered systems<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • Battery-powered RS-232 serial communication<\/li>\n
    • PDAs, notebooks, and handheld equipment<\/li>\n
    • Industrial RS-232 interface conversion<\/li>\n
    • Embedded system debug UART<\/li>\n
    • Point-of-sale terminal serial port<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The MAX3232IDR from Texas Instruments is a 3V to 5.5V dual-channel RS-232 line driver\/receiver with +\/-15kV ESD protection, operating up to 250kbps in SOIC-16 package. Key Specifications Standard TIA\/EIA-232-F Drivers \/ Receivers 2 \/ 2 Data Rate 250 kbps Supply Voltage 3V to 5.5V Supply Current 300 uA typical ESD Protection +\/-15 kV […]<\/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-7537","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-interface-ics","chip_brand-ti"],"acf":{"brief_explanation":"Dual RS-232 driver\/receiver, 250kbps, +\/-15kV ESD, SOIC-16","date_code":"","package_case":"SOIC-16 (9.9 x 3.9 x 1.5 mm)","in_stock":12500,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/max3232.pdf","price":"$0.73 @ 1ku","product_introduction":"The MAX3232IDR from Texas Instruments is a 3V to 5.5V multichannel RS-232 line driver and receiver with +\/-15kV ESD HBM protection on all bus pins. The device consists of two line drivers, two line receivers, and a dual charge-pump circuit. The charge pump and four small 0.1uF external capacitors allow operation from a single 3V to 5.5V supply, generating the +\/-5.4V output swing required by the RS-232 standard. The device meets TIA\/EIA-232-F requirements and operates at data rates up to 250kbps with 30V\/us maximum slew rate. The IDR suffix denotes SOIC-16 package with industrial temperature range and tape and reel packaging.","working_principle":"The MAX3232IDR operates as a dual RS-232 transceiver. (1) The internal dual charge pump generates +5.4V (V+) and -5.4V (V-) from the 3V to 5.5V VCC supply using four external 0.1uF capacitors. C1 and C2 form the voltage doublers that generate V+ and V- respectively. These generated rails power the RS-232 driver outputs, producing the +\/-5.4V swing required by the TIA\/EIA-232-F standard. (2) Each driver converts a TTL\/CMOS logic input (0 to VCC) to an RS-232 output level. The driver inverts the signal: a logic low input produces a positive RS-232 output (space), and a logic high input produces a negative RS-232 output (mark). The slew rate is limited to 30V\/us maximum to comply with RS-232 specifications and reduce EMI. (3) Each receiver converts an RS-232 input (+\/-15V range) to a TTL\/CMOS logic output. The receiver threshold has built-in hysteresis (0.3V typical) for noise immunity. The +\/-15kV ESD protection on bus pins uses clamping diodes to protect the internal circuitry from electrostatic discharge events.","pin_description":"
      Pin<\/th>Name<\/th>Function<\/th><\/tr>
      1<\/td>C1+<\/td>Charge pump capacitor C1 positive<\/td><\/tr>
      2<\/td>V+<\/td>Charge pump output (+5.4V)<\/td><\/tr>
      3<\/td>C1-<\/td>Charge pump capacitor C1 negative<\/td><\/tr>
      4<\/td>C2+<\/td>Charge pump capacitor C2 positive<\/td><\/tr>
      5<\/td>C2-<\/td>Charge pump capacitor C2 negative<\/td><\/tr>
      6<\/td>V-<\/td>Charge pump output (-5.4V)<\/td><\/tr>
      7-8<\/td>DOUT2, DOUT1<\/td>Driver outputs (RS-232)<\/td><\/tr>
      9-10<\/td>RIN2, RIN1<\/td>Receiver inputs (RS-232)<\/td><\/tr>
      11-12<\/td>R1OUT, R2OUT<\/td>Receiver outputs (TTL)<\/td><\/tr>
      13-14<\/td>DIN1, DIN2<\/td>Driver inputs (TTL)<\/td><\/tr>
      15<\/td>GND<\/td>Ground<\/td><\/tr>
      16<\/td>VCC<\/td>Power supply (3-5.5V)<\/td><\/tr><\/table>","application_scenarios":"
      • Battery-powered RS-232 serial communication in PDAs and handhelds<\/li>
      • Industrial RS-232 interface conversion from 3.3V\/5V logic<\/li>
      • Embedded system debug UART with +\/-15kV ESD protection<\/li>
      • Point-of-sale terminal serial port with dual charge pump<\/li>
      • Notebook and laptop serial port with minimal external components<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>
        MAX3232EIDR<\/td>TI<\/td>+\/-15kV IEC-ESD, improved ESD<\/td><\/tr>
        SP3232EEN-L\/TR<\/td>MaxLinear<\/td>Pin compatible, similar spec<\/td><\/tr>
        ST3232EBPR<\/td>ST<\/td>Pin compatible, 3V-5.5V<\/td><\/tr>
        ICL3232EIAZ<\/td>Renensas<\/td>+\/-15kV IEC ESD, TSSOP<\/td><\/tr>
        ADM3202ARNZ<\/td>ADI<\/td>Similar, single supply, 4x0.1uF<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/7537","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/comments?post=7537"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/7537\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=7537"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=7537"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=7537"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=7537"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}