The OPA186, OPA2186, and OPA4186 (OPAx186) are low-power, 24-V, rail-to-rail input and output, zero-drift operational amplifiers (op amps). These op amps feature only 10 µV of offset voltage (maximum) and 0.04 µV/°C of offset voltage drift over temperature (maximum). These devices are a great choice for precision instrumentation, signal measurement, and active-filtering applications.
The low quiescent current consumption of 90 µA makes the OPAx186 an excellent option for power-sensitive applications, such as battery-powered instrumentation and portable systems.
Moreover, the high common-mode architecture along with low offset voltage allows for high-side current shunt monitoring at the positive rail. These devices also provide robust ESD protection during shipment, handling, and assembly.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | OPAx186 Precision, Rail-to-Rail Input/Output, 24-V, Zero-Drift Operational Amplifiers datasheet (Rev. C) | PDF | HTML | 28 Jul 2023 |
| White paper | Optimizing Chopper Amplifier Accuracy | PDF | HTML | 27 Feb 2024 | |
| Application brief | Zero-Drift Amplifiers: Features and Benefits (Rev. C) | 28 Jan 2021 | ||
| Application brief | Minimize Errors in Weigh-Scales With Zero-Drift, EMI-Hardened, Precision Amps (Rev. A) | PDF | HTML | 08 Dec 2020 | |
| Application brief | Low-Power, Small-Size, High-Side Current Monitoring | 03 Jun 2020 | ||
| Application brief | EMI-Hardened Op Amps Reduce Errors In Pulse Oximeters (Rev. A) | 21 Aug 2019 | ||
| Application note | Compensate Transimpedance Amplifiers Intuitively (Rev. A) | 30 Mar 2005 |
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Analog Engineer's Calc Installer
Software Manifest
General calculator tool for analog design support.