Single Supply Ultra-Low Noise, Low Distortion Rail-to-Rail Output, Op Amp
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Overview
Description
The ISL28191 and ISL28291 are tiny single and dual ultra-low noise, ultra-low distortion operational amplifiers. They are fully specified to operate down to +3V single supply. These amplifiers have outputs that swing rail-to-rail and an input common mode voltage that extends to ground(ground sensing). The ISL28191 and ISL28291 are unity gain stable with an input referred voltage noise of 1. 7nV/√Hz. Both parts feature 0. 00018% THD+N at 1kHz. The ISL28191 is available in the space-saving 6 Ld UTDFN (1. 6mmx1. 6mm) and 6 Ld SOT-23 packages. The ISL28291 is available in the 8 Ld SOIC, 10 Ld 1. 8mmx1. 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)
Applications
Applications
- Low noise signal processing
- Low noise microphones/preamplifiers
- ADC buffers
- DAC output amplifiers
- Digital scales
- Strain gauges/sensor amplifiers
- Radio systems
- Portable equipment
- Infrared detectors
Documentation
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PDF1.99 MB
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Datasheet
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Application Note
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Application Note
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Application Note
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PDF263 KB
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Application Note
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PDF564 KB
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Application Note
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PDF679 KB
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Application Note
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PDF8.19 MB
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Application Note
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PDF976 KB
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Application Note
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PDF2.04 MB
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Application Note
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PDF556 KB
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Application Note
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PDF1.02 MB
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Application Note
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PDF357 KB
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Application Note
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PDF843 KB
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Application Note
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Brochure
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PDF1.11 MB
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Flyer
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PDF441 KB
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Manual - Development Tools
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PDF519 KB
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Other
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PDF414 KB
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Product Advisory
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PDF291 KB
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Product Advisory
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PDF557 KB
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Product Change Notice
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PDF135 KB
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Product Change Notice
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PDF205 KB
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Product Change Notice
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Design & Development
Boards & Kits
Boards & Kits
Single Supply, Ultra-Low Noise, Low Distortion, Rail-to-Rail Output Op Amp Evaluation Board
The ISL28191EVAL1Z is designed to enable the IC to operate from a single supply (+3VDC to +5.5VDC) or from split supplies (±1.5VDC to ±2.75VDC). The board is...
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Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
Product Options
Processing table
ISL28191FHZ-T7 Active Samples Available |
SOT23 | Reel | 3000 | Get Samples, |
ISL28191FRUZ-T7 Active Samples Available |
uTDFN | Reel | 3000 | Get Samples, |
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