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ISL28130

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Single Micropower, Low Drift, RRIO Operational Amplifier

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Overview

The ISL28130, ISL28230 and ISL28430 are single, dual and quad micropower, low offset drift operational amplifiers that are optimized for single and dual supply operation from 1.8V to 5.5V and ±0.9V to ±2.75V. Their low supply current of 20µA and rail-to-rail input/output enable the ISL28130, ISL28230, and ISL28430 to be an excellent general-purpose op amp for a range of applications. The ISL28130, ISL28230 and ISL28430 are ideal for handheld devices that operate off 2AA or single Li-ion batteries.

The ISL28130 is available in industry standard pinouts for 5 Ld SOT-23, 5 Ld SC70 and 8 Ld SOIC packages. The ISL28230 is available in industry standard pinouts for 8 Ld MSOP, 8 Ld SOIC and 8 Ld DFN packages. The ISL28430 is available in 14 Ld TSSOP and 14 Ld SOIC packages. Commercial devices operate over the temperature range of 0°C to 70°C. Full temperature range devices operate over the temperature range of -40°C to 125°C.

ISL28x30 Functional Diagram
ISL28x30 Functional Diagram
  • Low input offset voltage: 40µV, Max.
  • Low offset drift: 150nV/°C, Max.
  • Input bias current: 250 pA, Max.
  • Quiescent current (per amplifier): 20µA, Typ.
  • Single supply range: +1.8V to +5.5V
  • Dual supply range: ±0.9V to ±2.75V
  • Low noise (0.01Hz to 10Hz): 1.1µVP-P, Typ.
  • Rail-to-rail inputs and output

Documentation

Design & Development

Software Downloads
Type Title Date
Price Increase Notice
PIN19028 - Q3 Cy 19 Price Increase Notice
PDF 208 KB
1 item

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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Diagram of ECAD Models

Models
Type Title Date
Model - SPICE
isl28130-230-430-model
TXT 3 KB
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Support Communities

  1. Can RA2A1 24 Bit Single end input measure negative signal?

    I'm thinking to use RA2A1 MCU to measure very small AC (50Hz) signal, maybe millivolt range or smaller, but it is sin wave which have negative amplitude, is RA2A1 MCU single end input can handle negative signal?

    Jan 10, 2023

FAQs

  1. Do you have a DCP with op amp buffered wiper output?

    ... appropriate part?   Answer: We used to have some DCPs  like that, but not any more.  All our DCPs are just wiper out now and cannot conduct more that 4mA without risking damage to the part.  If you decide to go with a buffer amp, the ISL28130 is a good choice.

    Jan 1, 1970