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.
| Top documentation | Type | Title | Format options | Date |
|---|---|---|---|---|
| * | Data sheet | OPA375, OPA2375, OPA4375 500-µV (Maximum), 10-MHz, Low Broadband Noise, RRO, Operational Amplifier datasheet (Rev. E) | PDF | HTML | Aug 31, 2021 |
| Analog design Journal | Second-sourcing options for small-package amplifiers | Mar 26, 2018 |
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| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| WSON (DSG) | 8 | Ultra Librarian |
| VSSOP (DGK) | 8 | Ultra Librarian |
| SOT-23-THN (DDF) | 8 | Ultra Librarian |
| X2QFN (RUG) | 10 | Ultra Librarian |
| TSSOP (PW) | 8 | Ultra Librarian |
| SOIC (D) | 8 | Ultra Librarian |
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