Rohm is aiming at high-accuracy sensing with a low-noise CMOS op-amp. Accelerometers used in sonar systems and optical sensors are potential applications. LMR1802G-LB achieves input equivalent noise of 2.9nV/√Hz at 1kHz, and 7.8nV/√Hz at 10Hz – according to the firm, it created a new differential input stage circuit to get these figures. It also has 68° ...
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from Electronics Weekly https://www.electronicsweekly.com/news/products/analogue-linear-mixed-signal-ics/cmos-op-amp-achieves-2-9nv-%e2%88%9ahz-5%ce%bcv-sensing-2018-07/
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