{"id":5680,"date":"2026-06-11T03:50:03","date_gmt":"2026-06-11T03:50:03","guid":{"rendered":"https:\/\/materialparts.com\/ad8422armz-r7\/"},"modified":"2026-06-12T03:27:18","modified_gmt":"2026-06-12T03:27:18","slug":"ad8422armz-r7","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/ad8422armz-r7\/","title":{"rendered":"AD8422ARMZ-R7"},"content":{"rendered":"

Productos<\/h2>\n

The AD8422ARMZ-R7 from Analog Devices is a low-cost instrumentation amplifier with 10MHz bandwidth, 0.15uV\/C offset drift, and single-resistor gain setting in MSOP-8.<\/p>\n

Especificaciones<\/h2>\n\n\n
Paquete<\/td>\nMSOP-8 (3x3mm)<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • See datasheet for complete specifications<\/li>\n
  • Industry-standard package<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • Industrial control<\/li>\n
    • Consumer electronics<\/li>\n
    • Communication equipment<\/li>\n
    • Power management<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The AD8422ARMZ-R7 from Analog Devices is a low-cost instrumentation amplifier with 10MHz bandwidth, 0.15uV\/C offset drift, and single-resistor gain setting in MSOP-8. Key Specifications Package MSOP-8 (3x3mm) Features See datasheet for complete specifications Industry-standard package Applications Industrial control Consumer electronics Communication equipment Power management<\/p>","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-5680","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, 10MHz, MSOP-8","date_code":"","package_case":"MSOP-8 (3x3mm)","in_stock":9684,"datasheet":"https:\/\/www.analog.com\/en\/products\/ad8422.html","price":"$3.00 @ 1ku","product_introduction":"The AD8422ARMZ-R7 from Analog Devices is a low-cost instrumentation amplifier with 10MHz bandwidth, 0.15uV\/C offset drift, and single-resistor gain setting in MSOP-8.","working_principle":"The AD8422ARMZ-R7 is a low-cost, high-performance instrumentation amplifier from Analog Devices in MSOP-8, with gain set by a single external resistor (RG): Gain = 1 + (19.8k \/ RG). Gains from 1 to 1000 are achievable: G=1 (RG open), G=10 (RG=2.2k), G=100 (RG=200), G=1000 (RG=19.8 ohm). The three-op-amp architecture provides: (1) Two input buffers (preamps) that present high impedance to the signal source and amplify the differential signal; (2) A difference amplifier that rejects the common-mode voltage and provides the single-ended output. The input offset voltage is 25uV typical (150uV max over temperature), and the input bias current is 200pA. The CMRR (common-mode rejection ratio) is 80dB at G=1 and 120dB at G>=100, critical for rejecting noise in bridge and current-sense applications. The bandwidth is 10MHz at G=1 and 2MHz at G=10, decreasing to 20kHz at G=1000. The supply current is 330uA per amplifier, and the supply voltage range is +\/-2.5V to +\/-18V (or 5V to 36V single-supply). The REF pin allows output level shifting: connecting REF to a DAC output enables bidirectional current measurement. The output can swing to within 1.2V of the supply rails. The AD8422 is the cost-optimized successor to the AD8221, offering similar performance at lower cost. The -ARMZ-R7 suffix specifies MSOP-8, tape-and-reel. Applications include bridge transducer amplification, medical ECG\/EEG, and industrial current sensing.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>RG1<\/td>Input<\/td>Gain resistor terminal 1 (connect external resistor RG between RG1 and RG2)<\/td><\/tr>
      2<\/td>IN-<\/td>Input<\/td>Inverting input (connects to shunt low-side or bridge output)<\/td><\/tr>
      3<\/td>IN+<\/td>Input<\/td>Non-inverting input (connects to shunt high-side or bridge output)<\/td><\/tr>
      4<\/td>V-<\/td>Power<\/td>Negative supply (-2.5V to -18V, or connect to GND for single-supply)<\/td><\/tr>
      5<\/td>REF<\/td>Input<\/td>Reference input (sets output baseline, typically connect to GND or mid-supply)<\/td><\/tr>
      6<\/td>VOUT<\/td>Output<\/td>Amplified output (VOUT = GAIN x (IN+ - IN-) + VREF)<\/td><\/tr>
      7<\/td>V+<\/td>Power<\/td>Positive supply (+2.5V to +18V)<\/td><\/tr>
      8<\/td>RG2<\/td>Input<\/td>Gain resistor terminal 2<\/td><\/tr><\/table>","application_scenarios":"
    • Industrial control<\/li>
    • Consumer electronics<\/li>
    • Communication equipment<\/li>
    • Power management<\/li>","alternative_models":"
      Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
      Analog Devices<\/td>AD8422ARMZ-R7<\/td>MSOP-8<\/td>Same device, ADI brand<\/td><\/tr>
      Analog Devices<\/td>AD8421ARMZ-R7<\/td>MSOP-8<\/td>Lower power version (200uA vs 330uA)<\/td><\/tr>
      Texas Instruments<\/td>INA828AIDR<\/td>SOIC-8<\/td>Low-power inst amp, 200uA, similar performance<\/td><\/tr>
      Analog Devices<\/td>AD620ARZ<\/td>SOIC-8<\/td>Classic inst amp, lower bandwidth, lower cost<\/td><\/tr>
      Texas Instruments<\/td>INA821AIDR<\/td>SOIC-8<\/td>Precision inst amp, 35uV offset, similar<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/5680","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=5680"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/5680\/revisions"}],"predecessor-version":[{"id":6125,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/5680\/revisions\/6125"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=5680"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=5680"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=5680"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=5680"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}