Overview

Features and Benefits

  • Offset Voltage: 50µV Max (LT1884A)
  • Input Bias Current: 400pA Max (LT1884A)
  • Offset Voltage Drift: 0.8µV/°C Max
  • Rail-to-Rail Output Swing
  • Operates with Single or Split Supplies
  • Open-Loop Voltage Gain: 1 Million Min
  • 1mA Maximum Supply Current Per Amplifier
  • Slew Rate: 1V/µs
  • Standard Pinouts

Product Details

The LT1884/LT1885 op amps bring high accuracy input performance to amplifiers with rail-to-rail output swing while providing faster response than other precision amplifiers. Input offset voltage is trimmed to less than 50µV and the low drift maintains this accuracy over the operating temperature range. Input bias currents are an ultralow 400pA maximum.

The amplifiers work on any total power supply voltage between 2.7V and 36V (fully specified from 5V to ±15V). Output voltage swings to within 40mV of the negative supply and 220mV of the positive supply make these amplifiers good choices for low voltage single supply operation.

Slew rates of 1V/µs with a supply current of less than 1mA per amplifier give superior response and settling time performance in a low power precision amplifier.

The dual LT1884 is available with standard pinouts in 8-pin SO and PDIP packages.The quad LT1885 is also in the standard pinout 14-pin SO package.

Applications

  • Thermocouple Amplifiers
  • Bridge Transducer Conditioners
  • Instrumentation Amplifiers
  • Battery-Powered Systems
  • Photo Current Amplifiers
  • Precision Integrators
  • Precision Current Sources

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Tools & Simulations

LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

LTspice

Models for the following parts are available in LTspice:

LT1884

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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