{"id":8779,"date":"2026-06-30T08:30:15","date_gmt":"2026-06-30T08:30:15","guid":{"rendered":"https:\/\/materialparts.com\/ad8250armz\/"},"modified":"2026-06-30T08:30:15","modified_gmt":"2026-06-30T08:30:15","slug":"ad8250armz","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/ad8250armz\/","title":{"rendered":"AD8250ARMZ"},"content":{"rendered":"

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

The AD8250ARMZ is an Analog Devices digitally programmable gain instrumentation amplifier (PGIA) with gains of 1, 2, 5, and 10. It features 3.5 MHz bandwidth at G=1, low distortion, and overvoltage protection on the inputs. The gain is set via two digital control pins. Packaged in 10-lead MSOP, -40C to +85C.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n
Gain Settings<\/td>\n1, 2, 5, 10<\/td>\n<\/tr>\n
Bandwidth (G=1)<\/td>\n3.5 MHz<\/td>\n<\/tr>\n
\u538b\u6446\u7387<\/td>\n20 V\/us<\/td>\n<\/tr>\n
Input Overvoltage<\/td>\n+\/-15V from supply<\/td>\n<\/tr>\n
Settling Time<\/td>\n500 ns to 0.01%<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nMSOP-10<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • Digitally programmable gain: 1, 2, 5, 10<\/li>\n
  • 3.5 MHz bandwidth at G=1<\/li>\n
  • 20 V\/us slew rate<\/li>\n
  • +\/-15V input overvoltage protection<\/li>\n
  • 500 ns settling to 0.01%<\/li>\n
  • Dual-\/single-supply operation<\/li>\n
  • Two digital gain control pins<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Industrial data acquisition<\/li>\n
    • Medical instrumentation<\/li>\n
    • Programmable gain front-ends<\/li>\n
    • ATE and measurement systems<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The AD8250ARMZ is an Analog Devices digitally programmable gain instrumentation amplifier (PGIA) with gains of 1, 2, 5, and 10. It features 3.5 MHz bandwidth at G=1, low distortion, and overvoltage protection on the inputs. The gain is set via two digital control pins. Packaged in 10-lead MSOP, -40C to +85C. Key Specifications […]<\/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":[19,13],"tags":[],"chip_brand":[165],"class_list":["post-8779","post","type-post","status-publish","format-standard","hentry","category-analog-linear-ics","category-integrated-circuits-ics","chip_brand-adi"],"acf":{"brief_explanation":"PGIA, gains 1\/2\/5\/10, 3.5MHz BW, +\/-15V OV prot, MSOP-10","date_code":"","package_case":"10-Lead MSOP (3.0 x 3.0 x 0.85 mm)","in_stock":4200,"datasheet":"https:\/\/www.analog.com\/media\/en\/technical-documentation\/data-sheets\/AD8250.pdf","price":"$3.50 @ 1ku","product_introduction":"The AD8250ARMZ is an Analog Devices digitally programmable gain instrumentation amplifier (PGIA) with four gain settings: 1, 2, 5, and 10, selected via two digital control pins (A0, A1). The 3.5 MHz bandwidth at G=1 and 20 V\/us slew rate provide fast settling for high-speed data acquisition. The unique input architecture provides overvoltage protection to +\/-15 V from the opposite supply rail, protecting the amplifier and downstream circuitry from fault conditions without external protection. The 500 ns settling time to 0.01% enables high-throughput multiplexed systems. The device operates from dual (+\/-5V to +\/-15V) or single (4V to 36V) supplies. Packaged in 10-lead MSOP rated for -40C to +85C.","working_principle":"The AD8250 uses a three-op-amp instrumentation amplifier architecture with a digitally switched gain network. The input stage uses two amplifiers in a differential configuration with precision laser-trimmed resistors. The gain setting resistors are selected by CMOS switches controlled by the A0 and A1 digital pins, changing the feedback network to achieve gains of 1, 2, 5, or 10. The overvoltage protection circuit uses a unique architecture that limits input current to safe levels even when inputs exceed the supply rails by up to +\/-15V, without affecting normal-mode signal performance. The output stage provides rail-to-rail output swing for maximum dynamic range in single-supply applications.","pin_description":"
      Pin<\/th>Mnemonic<\/th>Description<\/th><\/tr>
      1<\/td>-IN<\/td>Inverting input<\/td><\/tr>
      2<\/td>RG1<\/td>Gain resistor 1<\/td><\/tr>
      3<\/td>+IN<\/td>Non-inverting input<\/td><\/tr>
      4<\/td>V-<\/td>Negative supply<\/td><\/tr>
      5<\/td>REF<\/td>Output reference<\/td><\/tr>
      6<\/td>OUT<\/td>Output<\/td><\/tr>
      7<\/td>V+<\/td>Positive supply<\/td><\/tr>
      8<\/td>A0<\/td>Gain select bit 0<\/td><\/tr>
      9<\/td>A1<\/td>Gain select bit 1<\/td><\/tr>
      10<\/td>RG2<\/td>Gain resistor 2<\/td><\/tr><\/table>","application_scenarios":"
      • Industrial data acquisition with digitally programmable gain for multi-range sensor inputs<\/li>\n
      • Medical ECG\/EEG front-end with overvoltage protection from defibrillator pulses<\/li>\n
      • ATE measurement systems with 500ns settling and software-controlled gain<\/li>\n
      • Precision bridge measurement with gain switching for dynamic range extension<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>
        AD8251ARMZ<\/td>ADI<\/td>Gains 1, 2, 4, 8<\/td><\/tr>
        AD8253ARMZ<\/td>ADI<\/td>Gains 1, 10, 100, 1000<\/td><\/tr>
        PGA281<\/td>TI<\/td>Binary gain range, wider<\/td><\/tr>
        AD620<\/td>ADI<\/td>Fixed gain (1 resistor)<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/8779","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=8779"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/8779\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=8779"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=8779"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=8779"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=8779"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}