{"product_id":"ad620-instrumentation-amplifier-module-microvolt-3-12v","title":"AD620 Instrumentation Amplifier Module Microvolt Signal 3–12V DC","description":"\u003ch2\u003eAD620 Instrumentation Amplifier Module — Microvolt Signal Amplification\u003c\/h2\u003e\u003cp\u003eThis breakout module is built around the Analog Devices \u003cstrong\u003eAD620\u003c\/strong\u003e precision instrumentation amplifier IC. With a gain range of \u003cstrong\u003e1× to 10,000×\u003c\/strong\u003e set by a single external resistor, input offset voltage of just \u003cstrong\u003e50μV\u003c\/strong\u003e, and supply range of \u003cstrong\u003e3V–12V\u003c\/strong\u003e, it is the go-to solution for amplifying tiny differential signals from sensors, bridges, and biomedical sources.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmplifier IC\u003c\/td\u003e\n\u003ctd\u003eAD620 (Analog Devices)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e3V – 12V DC (±1.5V – ±6V dual)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGain Range\u003c\/td\u003e\n\u003ctd\u003e1× – 10,000× (set by RG)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGain Formula\u003c\/td\u003e\n\u003ctd\u003eG = 49.4kΩ \/ RG + 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Offset Voltage\u003c\/td\u003e\n\u003ctd\u003e50μV max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMRR\u003c\/td\u003e\n\u003ctd\u003e100dB min @ G=10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Bias Current\u003c\/td\u003e\n\u003ctd\u003e1nA typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandwidth @ G=1\u003c\/td\u003e\n\u003ctd\u003e1MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandwidth @ G=100\u003c\/td\u003e\n\u003ctd\u003e120kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eGain Setting Table\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eRG Value\u003c\/th\u003e\n\u003cth\u003eGain\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e49.4kΩ\u003c\/td\u003e\n\u003ctd\u003e2×\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5.49kΩ\u003c\/td\u003e\n\u003ctd\u003e10×\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e499Ω\u003c\/td\u003e\n\u003ctd\u003e100×\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e49.9Ω\u003c\/td\u003e\n\u003ctd\u003e1000×\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNo resistor\u003c\/td\u003e\n\u003ctd\u003e1× (unity gain)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose AD620 Module?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle Resistor Gain Setting\u003c\/strong\u003e — No complex feedback network; change one resistor to change gain\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50μV Offset\u003c\/strong\u003e — Amplifies microvolt-level signals without significant DC error\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100dB CMRR\u003c\/strong\u003e — Rejects common-mode noise (power line interference, EMI)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Input Bias Current\u003c\/strong\u003e — 1nA suits high-impedance sources (pH electrodes, piezo sensors)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreakout Board\u003c\/strong\u003e — Screw terminals and header pins for easy prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eWheatstone bridge amplification (load cells, pressure sensors, strain gauges)\u003c\/li\u003e\n\u003cli\u003eECG \/ EEG \/ EMG biomedical signal amplification\u003c\/li\u003e\n\u003cli\u003eThermocouple and RTD signal conditioning\u003c\/li\u003e\n\u003cli\u003eHall effect sensor differential output amplification\u003c\/li\u003e\n\u003cli\u003eData acquisition front-end for ADC inputs\u003c\/li\u003e\n\u003cli\u003ePrecision differential voltage measurement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Can AD620 module work with Arduino?\u003c\/strong\u003e\u003cbr\u003eA: Yes — power with 5V single supply (connect –VS to GND, +VS to 5V), set gain, and read output with analogRead(). Ensure output stays within 0–5V range.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What RG resistor gives 100× gain?\u003c\/strong\u003e\u003cbr\u003eA: RG = 49.4kΩ \/ (G−1) = 49.4kΩ \/ 99 ≈ 499Ω. Use a 499Ω 1% precision resistor.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1× AD620 Instrumentation Amplifier Breakout Module\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"5PCS","offer_id":46991485665515,"sku":"14:350852#5PCS","price":47.92,"currency_code":"USD","in_stock":true},{"title":"10PCS","offer_id":46991485698283,"sku":"14:351074#10PCS","price":97.96,"currency_code":"USD","in_stock":true},{"title":"1PCS","offer_id":46991485731051,"sku":"14:1202#1PCS","price":9.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/ad620-microvolt-amplifier-module.webp?v=1761540070","url":"https:\/\/keszoox.com\/products\/ad620-instrumentation-amplifier-module-microvolt-3-12v","provider":"Keszoox","version":"1.0","type":"link"}