{"id":7525,"date":"2026-06-25T07:51:58","date_gmt":"2026-06-25T07:51:58","guid":{"rendered":"https:\/\/materialparts.com\/ad8616arz\/"},"modified":"2026-06-25T07:51:58","modified_gmt":"2026-06-25T07:51:58","slug":"ad8616arz","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/ad8616arz\/","title":{"rendered":"AD8616ARZ"},"content":{"rendered":"

Productos<\/h2>\n

The AD8616ARZ from Analog Devices is a dual-channel 20MHz precision CMOS rail-to-rail operational amplifier with 1pA input bias current and low noise in SOIC-8 package.<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Canales<\/td>\n2<\/td>\n<\/tr>\n
Bandwidth (GBP)<\/td>\n20 MHz<\/td>\n<\/tr>\n
Velocidad de giro<\/td>\n12 V\/us<\/td>\n<\/tr>\n
Tensi\u00f3n de alimentaci\u00f3n<\/td>\n2.7V to 5.5V (also +\/-1.35V to +\/-2.75V)<\/td>\n<\/tr>\n
Tensi\u00f3n de offset de entrada<\/td>\n80 uV typical (B grade)<\/td>\n<\/tr>\n
Corriente de polarizaci\u00f3n de entrada<\/td>\n1 pA typical<\/td>\n<\/tr>\n
Input Voltage Noise<\/td>\n8 nV\/sqrt(Hz) @ 1kHz<\/td>\n<\/tr>\n
Supply Current<\/td>\n1.8 mA per amplifier<\/td>\n<\/tr>\n
Input Range<\/td>\nRail-to-Rail<\/td>\n<\/tr>\n
Output Range<\/td>\nRail-to-Rail<\/td>\n<\/tr>\n
Paquete<\/td>\nSOIC-8<\/td>\n<\/tr>\n
Temperatura de funcionamiento<\/td>\n-40 to +125 C<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • 1pA ultra-low input bias current for high-impedance sensors<\/li>\n
  • 80uV low offset voltage for precision DC measurement<\/li>\n
  • Rail-to-rail input and output for maximum dynamic range<\/li>\n
  • 20MHz bandwidth for medium-frequency signal processing<\/li>\n
  • 8nV\/sqrt(Hz) low noise for sensitive analog front-ends<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • Photodiode transimpedance amplifier<\/li>\n
    • Piezoelectric sensor conditioning<\/li>\n
    • Battery-powered precision instrumentation<\/li>\n
    • Medical ECG\/EEG front-end<\/li>\n
    • Chemical sensor impedance measurement<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The AD8616ARZ from Analog Devices is a dual-channel 20MHz precision CMOS rail-to-rail operational amplifier with 1pA input bias current and low noise in SOIC-8 package. Key Specifications Channels 2 Bandwidth (GBP) 20 MHz Slew Rate 12 V\/us Supply Voltage 2.7V to 5.5V (also +\/-1.35V to +\/-2.75V) Input Offset Voltage 80 uV typical (B […]<\/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-7525","post","type-post","status-publish","format-standard","hentry","category-analog-linear-ics","category-integrated-circuits-ics","chip_brand-adi"],"acf":{"brief_explanation":"Dual 20MHz RRO precision op amp, 1pA Ib, SOIC-8","date_code":"","package_case":"SOIC-8 (5 x 4 x 1.5 mm)","in_stock":6789,"datasheet":"https:\/\/www.analog.com\/en\/products\/ad8616.html","price":"$2.80 @ 1ku","product_introduction":"The AD8616ARZ from Analog Devices is a dual-channel precision CMOS rail-to-rail operational amplifier featuring 20MHz gain bandwidth, 1pA input bias current, and 80uV offset voltage (B grade) in SOIC-8 package. The combination of ultra-low input bias current and rail-to-rail input\/output operation makes it ideal for high-impedance sensor interfaces such as photodiode transimpedance amplifiers and piezoelectric sensor conditioning. The 8nV\/sqrt(Hz) input voltage noise at 1kHz is exceptionally low for a CMOS amplifier, enabling sensitive analog front-end designs. The ARZ suffix denotes SOIC-8 package with industrial temperature range.","working_principle":"The AD8616ARZ operates as a dual-channel precision CMOS operational amplifier. (1) The CMOS input stage uses a folded-cascode architecture with back-gate biasing to achieve the ultra-low 1pA input bias current, making it suitable for high-impedance sources where even nanoamp-level bias current would cause significant offset errors. The rail-to-rail input stage uses complementary N-channel and P-channel differential pairs. (2) The precision offset voltage of 80uV (B grade) is achieved through laser trimming of the input pair during manufacturing. The 8nV\/sqrt(Hz) input noise is exceptionally low for a CMOS amplifier, achieved through optimized input pair geometry and bias current distribution. (3) The rail-to-rail output stage uses a push-pull Class AB architecture with both PMOS and NMOS output devices, allowing the output to swing to within millivolts of both supply rails under light load conditions. The 12V\/us slew rate and 20MHz bandwidth provide adequate speed for most medium-frequency sensor applications.","pin_description":"
      Pin<\/th>Name<\/th>Function<\/th><\/tr>
      1<\/td>OUT A<\/td>Channel A output<\/td><\/tr>
      2<\/td>IN- A<\/td>Channel A inverting input<\/td><\/tr>
      3<\/td>IN+ A<\/td>Channel A non-inverting input<\/td><\/tr>
      4<\/td>V-<\/td>Negative supply \/ GND<\/td><\/tr>
      5<\/td>IN+ B<\/td>Channel B non-inverting input<\/td><\/tr>
      6<\/td>IN- B<\/td>Channel B inverting input<\/td><\/tr>
      7<\/td>OUT B<\/td>Channel B output<\/td><\/tr>
      8<\/td>V+<\/td>Positive supply<\/td><\/tr><\/table>","application_scenarios":"
      • Photodiode transimpedance amplifier: 1pA Ib prevents dark current error<\/li>
      • Piezoelectric sensor conditioning: high input impedance preserves signal<\/li>
      • Battery-powered precision instrumentation with 1.8mA per amplifier<\/li>
      • Medical ECG\/EEG front-end with low noise and high input impedance<\/li>
      • Chemical sensor impedance measurement with pA-level bias current<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>
        AD8615ARZ<\/td>ADI<\/td>Single channel, same specs<\/td><\/tr>
        AD8617ARMZ<\/td>ADI<\/td>Dual, MSOP-8, same specs<\/td><\/tr>
        AD8618ARUZ<\/td>ADI<\/td>Quad channel version<\/td><\/tr>
        MCP6002-I\/SN<\/td>Microchip<\/td>1MHz, low power, RRO<\/td><\/tr>
        OPA2320AIDR<\/td>TI<\/td>20MHz, RRO, low noise, dual<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/7525","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=7525"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/7525\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=7525"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=7525"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=7525"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=7525"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}