Dual Supply Ultra-Low Noise RRIO Op Amp Evaluation Board
The ISL28291EVAL1Z evaluation board is a design platform containing all the circuitry needed to characterize critical performance parameters of the ISL28291 dual op...
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Overview
Description
The ISL28291 is a tiny, dual, ultra-low noise, ultra-low distortion operational amplifier. It is fully specified to operate down to +3V single supply. This amplifier has outputs that swing rail-to-rail and an input common mode voltage that extends to ground (ground sensing). The device is unity gain stable with an input referred voltage noise of 1.7nV/√Hz. Both parts feature 0.00018% THD+N at 1kHz. The ISL28291 is available in the 8 Ld SOIC, 10 Ld 1.8mm x 1.4mm UTQFN and 10 Ld MSOP packages. All devices are guaranteed over -40 °C to +125 °C.
Features
- 1.7nV/√Hz input voltage noise at 1kHz
- 1kHz THD+N typical 0.00018% at 2VP-P VOUT
- Harmonic Distortion -76dBc, -70dBc, fo = 1MHz
- 61MHz -3dB bandwidth
- 630µV maximum offset voltage
- 3µA input bias current
- 100dB typical CMRR
- 3V to 5.5V single supply voltage range
- Rail-to-rail output
- Ground sensing
- Enable pin (not available in the 8 Ld SOIC package option)
- Pb-free (RoHS compliant)
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ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.
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