{"id":2511,"date":"2026-05-22T03:28:55","date_gmt":"2026-05-22T03:28:55","guid":{"rendered":"https:\/\/materialparts.com\/lf353p\/"},"modified":"2026-05-22T03:28:55","modified_gmt":"2026-05-22T03:28:55","slug":"lf353p","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/lf353p\/","title":{"rendered":"LF353P"},"content":{"rendered":"

Productos<\/h2>\n

The LF353P is a JFET-input dual operational amplifier manufactured by Texas Instruments. It features very low input bias current, high input impedance, and wide bandwidth. The JFET input stage provides low noise and low offset, making it suitable for high-impedance signal processing applications. It operates from dual or single supplies and is pin-compatible with the standard 1458 dual op-amp.<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n\n\n\n
N\u00famero de canales<\/td>\n2<\/td>\n<\/tr>\n
Supply Voltage Range<\/td>\n+\/-3.5V to +\/-18V<\/td>\n<\/tr>\n
Gain Bandwidth Product<\/td>\n4MHz<\/td>\n<\/tr>\n
Velocidad de giro<\/td>\n13V\/us<\/td>\n<\/tr>\n
Tensi\u00f3n de offset de entrada<\/td>\n10mV max<\/td>\n<\/tr>\n
Corriente de polarizaci\u00f3n de entrada<\/td>\n200pA typical<\/td>\n<\/tr>\n
Input Impedance<\/td>\n10^12 ohm typical<\/td>\n<\/tr>\n
Temperatura de funcionamiento<\/td>\n0C to 70C<\/td>\n<\/tr>\n
Paquete<\/td>\nPDIP-8<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • JFET input for extremely low input bias current<\/li>\n
  • Very high input impedance (10^12 ohm)<\/li>\n
  • High slew rate of 13V\/us<\/li>\n
  • Wide gain-bandwidth product of 4MHz<\/li>\n
  • Low input noise voltage and current<\/li>\n
  • Internally trimmed offset voltage<\/li>\n
  • Pin-compatible with 1458 dual op-amp<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • High-impedance signal amplification<\/li>\n
    • Active filter circuits<\/li>\n
    • Sample-and-hold amplifiers<\/li>\n
    • Audio signal processing<\/li>\n
    • Instrumentation front-ends<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The LF353P is a JFET-input dual operational amplifier manufactured by Texas Instruments. It features very low input bias current, high input impedance, and wide bandwidth. The JFET input stage provides low noise and low offset, making it suitable for high-impedance signal processing applications. It operates from dual or single supplies and is pin-compatible […]<\/p>\n","protected":false},"author":2,"featured_media":2705,"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-2511","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-analog-linear-ics","category-integrated-circuits-ics","chip_brand-ti"],"acf":{"brief_explanation":"Dual JFET-Input Op-Amp, 4MHz GBW, 13V\/us SR, 200pA Ib, PDIP-8","date_code":"","package_case":"PDIP-8 (9.7 x 6.35 x 4.57 mm)","in_stock":3176,"datasheet":"https:\/\/www.ti.com\/product\/LF353-N","price":"","product_introduction":"The LF353P is a JFET-input dual operational amplifier from Texas Instruments designed for high-impedance and low-noise signal processing. With input bias current of only 200pA and input impedance of 10^12 ohm, it excels in applications requiring minimal loading of signal sources. The 4MHz gain-bandwidth product and 13V\/us slew rate provide excellent dynamic performance for audio and instrumentation applications. The device is pin-compatible with the 1458, offering a direct JFET upgrade path.","working_principle":"The LF353P uses a JFET differential input pair providing extremely high input impedance and very low input bias current. The JFET input stage is followed by a bipolar gain stage and class AB output stage. Internal frequency compensation ensures stability at unity gain. The device features an internal offset voltage trim during manufacturing. The JFET inputs allow the common-mode input voltage range to include the positive supply rail, enabling use in single-supply configurations with appropriate biasing.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>1OUT<\/td>Output<\/td>Amplifier 1 output<\/td><\/tr>
      2<\/td>1IN-<\/td>Input<\/td>Amplifier 1 inverting input<\/td><\/tr>
      3<\/td>1IN+<\/td>Input<\/td>Amplifier 1 non-inverting input<\/td><\/tr>
      4<\/td>V-<\/td>Power<\/td>Negative supply<\/td><\/tr>
      5<\/td>2IN+<\/td>Input<\/td>Amplifier 2 non-inverting input<\/td><\/tr>
      6<\/td>2IN-<\/td>Input<\/td>Amplifier 2 inverting input<\/td><\/tr>
      7<\/td>2OUT<\/td>Output<\/td>Amplifier 2 output<\/td><\/tr>
      8<\/td>V+<\/td>Power<\/td>Positive supply<\/td><\/tr><\/table>","application_scenarios":"
      • High-impedance sensor and transducer amplifiers<\/li>
      • Active filter and equalizer circuits<\/li>
      • Audio preamplifier and signal processing<\/li>
      • Sample-and-hold and integrator circuits<\/li>
      • Medical instrumentation front-ends<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        Texas Instruments<\/td>TL082CP<\/td>PDIP-8<\/td>Similar JFET dual op-amp<\/td><\/tr>
        onsemi<\/td>TL082ACP<\/td>PDIP-8<\/td>Lower offset voltage version<\/td><\/tr>
        STMicroelectronics<\/td>TL082CN<\/td>PDIP-8<\/td>ST alternative JFET dual<\/td><\/tr>
        Texas Instruments<\/td>OPA2134PA<\/td>PDIP-8<\/td>Audio-grade FET dual upgrade<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/2511","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=2511"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/2511\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media\/2705"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=2511"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=2511"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=2511"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=2511"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}