{"id":5483,"date":"2026-06-10T04:01:32","date_gmt":"2026-06-10T04:01:32","guid":{"rendered":"https:\/\/materialparts.com\/ad8221armz-r7\/"},"modified":"2026-06-10T04:01:32","modified_gmt":"2026-06-10T04:01:32","slug":"ad8221armz-r7","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/ad8221armz-r7\/","title":{"rendered":"AD8221ARMZ-R7"},"content":{"rendered":"

Productos<\/h2>\n

The AD8221ARMZ-R7 from Analog Devices is a low-cost, high-performance instrumentation amplifier in an MSOP-8 package. With a single external resistor setting gains from 1 to 1000, 0.4uV typical offset, 0.25uV\/C drift, and 80dB CMRR at G=1, it is ideal for precision sensor signal conditioning in industrial and medical applications.<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Gain Range<\/td>\n1 to 1000 (external resistor)<\/td>\n<\/tr>\n
Offset Voltage<\/td>\n0.4uV typical (RTI, G=1)<\/td>\n<\/tr>\n
Offset Drift<\/td>\n0.25uV\/C typical (RTI, G=1)<\/td>\n<\/tr>\n
Corriente de polarizaci\u00f3n de entrada<\/td>\n0.4nA typical<\/td>\n<\/tr>\n
CMRR<\/td>\n80dB @ G=1, 90dB @ G=10, 110dB @ G=100<\/td>\n<\/tr>\n
Bandwidth<\/td>\n825kHz @ G=1, 1.5MHz @ G=10<\/td>\n<\/tr>\n
Velocidad de giro<\/td>\n1.2V\/us @ G=1<\/td>\n<\/tr>\n
Voltage Noise<\/td>\n8nV\/sqrtHz @ G=1, 1kHz<\/td>\n<\/tr>\n
Tensi\u00f3n de alimentaci\u00f3n<\/td>\n+\/-2.3V to +\/-18V<\/td>\n<\/tr>\n
Supply Current<\/td>\n0.9mA typical<\/td>\n<\/tr>\n
Temperatura de funcionamiento<\/td>\n-40 to +85 C<\/td>\n<\/tr>\n
Paquete<\/td>\nMSOP-8 (3.0 x 3.0 mm)<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • Gain set by single external resistor (1-1000)<\/li>\n
  • 0.4uV typical offset with 0.25uV\/C drift<\/li>\n
  • 80dB CMRR at unity gain<\/li>\n
  • 825kHz bandwidth at G=1<\/li>\n
  • Low input bias current of 0.4nA<\/li>\n
  • +\/-18V wide supply range<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • Bridge transducer signal conditioning<\/li>\n
    • Medical ECG\/EEG front-ends<\/li>\n
    • Industrial process control<\/li>\n
    • Data acquisition systems<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The AD8221ARMZ-R7 from Analog Devices is a low-cost, high-performance instrumentation amplifier in an MSOP-8 package. With a single external resistor setting gains from 1 to 1000, 0.4uV typical offset, 0.25uV\/C drift, and 80dB CMRR at G=1, it is ideal for precision sensor signal conditioning in industrial and medical applications. Key Specifications Gain Range […]<\/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":[165],"class_list":["post-5483","post","type-post","status-publish","format-standard","hentry","category-analog-linear-ics","category-integrated-circuits-ics","chip_brand-adi"],"acf":{"brief_explanation":"Low-cost instrumentation amp, G=1-1000, MSOP-8","date_code":"","package_case":"MSOP-8 (3.0 x 3.0 mm)","in_stock":4007,"datasheet":"https:\/\/www.analog.com\/media\/en\/technical-documentation\/data-sheets\/AD8221.pdf","price":"$3.20 @ 1ku","product_introduction":"The AD8221ARMZ-R7 from Analog Devices is a low-cost, high-performance instrumentation amplifier in an MSOP-8 package. With a single external resistor setting gains from 1 to 1000, 0.4uV typical offset, 0.25uV\/C drift, and 80dB CMRR at G=1, it is ideal for precision sensor signal conditioning in industrial and medical applications.","working_principle":"The AD8221ARMZ-R7 operates as described in the product overview. Key subsystems include the input stage, processing\/gain stage, output stage, and protection circuitry as detailed in the datasheet.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Description<\/th><\/tr>
      1<\/td>-IN<\/td>Input<\/td>Inverting input<\/td><\/tr>
      2<\/td>RG<\/td>I\/O<\/td>Gain resistor terminal<\/td><\/tr>
      3<\/td>RG<\/td>I\/O<\/td>Gain resistor terminal<\/td><\/tr>
      4<\/td>+IN<\/td>Input<\/td>Non-inverting input<\/td><\/tr>
      5<\/td>V-<\/td>Power<\/td>Negative supply<\/td><\/tr>
      6<\/td>REF<\/td>Input<\/td>Reference voltage<\/td><\/tr>
      7<\/td>VOUT<\/td>Output<\/td>Amplifier output<\/td><\/tr>
      8<\/td>V+<\/td>Power<\/td>Positive supply<\/td><\/tr><\/table>","application_scenarios":"
      • Bridge transducer signal conditioning<\/li>
      • Medical ECG\/EEG front-ends<\/li>
      • Industrial process control<\/li>
      • Data acquisition systems<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Package<\/th>Notes<\/th><\/tr>
        AD8226ARMZ<\/td>ADI<\/td>MSOP-8<\/td>Lower cost, wider supply<\/td><\/tr>
        INA128U<\/td>TI<\/td>SOIC-8<\/td>Pin-compatible in SOIC<\/td><\/tr>
        INA828AIDR<\/td>TI<\/td>SOIC-8<\/td>Lower noise, higher BW<\/td><\/tr>
        AD620ARZ<\/td>ADI<\/td>SOIC-8<\/td>Classic in-amp, higher Iq<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/5483","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=5483"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/5483\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=5483"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=5483"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=5483"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=5483"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}