The OPAx375 family includes single (OPA375), dual (OPA2375) and quad-channel (OPA2375) general-purpose CMOS operation amplifiers (op amp) that provide an extremely low noise figure of 3.5 nV/√Hz, a low offset of 500 µV (maximum) and a wide bandwidth of 10 MHz. The low noise and wide bandwidth make the OPAx375 family attractive for a variety of precision applications that require a good balance between cost and performance. Additionally, the input bias current of the OPAx375 supports applications with high source impedance.
The robust design of the OPAx375 family provides ease-of-use to the circuit designer due to the unity-gain stability, integrated RFI/EMI rejection filter, no phase reversal in overdrive conditions, and high electrostatic discharge (ESD) protection (2-kV HBM). Additionally, the resistive open-loop output impedance allows for easy stabilization with much higher capacitive loads.
This op amp is optimized for low-voltage operation as low as 2.25 V (±1.125 V) for the OPA375 and 1.7 V (±0.85 V) for the OPA2375 and OPA4375. All of the devices operate up to 5.5 V (±2.75 V), and are specified over the temperature range of –40°C to 125°C.
The single-channel OPA375 is available in a small-size SC70-5 package. The dual-channel OPA2375 is available in multiple package options including a tiny 1.5 mm × 2.0 mm X2QFN package.
| 重要文件 | 類型 | 標題 | 格式選項 | 日期 |
|---|---|---|---|---|
| * | Data sheet | OPA375, OPA2375, OPA4375 500-µV (Maximum), 10-MHz, Low Broadband Noise, RRO, Operational Amplifier datasheet (Rev. E) | PDF | HTML | 2021年 8月 31日 |
| Circuit design | Single-supply, low-side, unidirectional current-sensing circuit (Rev. A) | PDF | HTML | 2024年 9月 26日 | |
| Circuit design | Transimpedance amplifier with T-network circuit | PDF | HTML | 2021年 3月 12日 | |
| Circuit design | Low-pass, filtered, non-inverting amplifier circuit | PDF | HTML | 2021年 1月 27日 | |
| Application note | Do You Really Need Rail-to-Rail Input Amplifiers? | 2019年 1月 2日 |
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Speed up your op amp prototyping and testing with the DIP-Adapter-EVM, which provides a fast, easy and inexpensive way to interface with small, surface-mount ICs. You can connect any supported op amp using the included Samtec terminal strips or wire them directly to existing circuits.
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| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| SOT-SC70 (DCK) | 5 | Ultra Librarian |
Analog Engineer's Calc Installer
General calculator tool for analog design support.