AD620 voltage amplifier for precise low‑level signal gain Key benefits Adjustable gain from 1.5× to 10,000× so you can amplify microvolt (uV) and millivolt (mV) signals to measurable levels without changing core hardware. Wide DC supply compatibility (3 V to 12 V) makes the module suitable for battery‑powered and other low‑voltage systems. High precision and stable output preserve small signal detail, reducing measurement error in sensitive electronics and scientific work. Broad applicability across sensors, lab instrumentation and DIY projects—use the same amplifier for multiple tasks without redesign. What it does and why you need it Function: amplifies very small voltage signals with adjustable magnification, enabling accurate downstream measurement, data logging, or analog/digital conversion. Compatibility: works with common low‑power electronic devices and signal processing circuits thanks to its 3 V–12 V supply range. Performance: designed to deliver consistent, low‑noise gain suitable for precision measurements where small voltage changes matter. Practical applications (examples) Physiological signal acquisition: amplify low‑level bioelectrical signals such as ECG or EMG sensors so they can be digitized and analyzed. Industrial sensor conditioning: boost outputs from strain gauges, bridge sensors, or thermocouples for monitoring and control systems. Laboratory and prototyping: use in test setups, data acquisition front ends, or hobby electronics to make millivolt and microvolt sources measurable. Why it stands out Wide gain range and low voltage compatibility let you adapt to many measurement tasks without swapping amplifiers. Emphasis on accuracy and stability means reliable results for both field and laboratory use. Straightforward integration into existing signal chains for sensor conditioning, industrial measurement, or electronics development.