LT1882

PRODUCTION

Quad Rail-to-Rail Output, Picoamp Input Precision Op Amps

Data Sheet Product Selection Table
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Overview

  • Offset Voltage: 50µV Maximum (LT1881A)
  • Input Bias Current: 200pA Maximum (LT1881A)
  • Offset Voltage Drift: 0.8µV/°C Maximum
  • Rail-to-Rail Output Swing
  • Supply Range: 2.7V to 36V
  • Operates with Single or Split Supplies
  • Open-Loop Voltage Gain: 1 Million Minimum
  • 1mA Maximum Supply Current Per Amplifier
  • Stable at AV = 1, CL = 1000pF
  • Standard Pinouts
  • Wide Operating Temperature Range:
    –55°C to 125°C (LT1882)

The LT1881 and LT1882 op amps bring high accuracy input performance to amplifiers with rail-to-rail output swing. Input bias currents and capacitive load driving capabilities are superior to the similar LT1884 and LT1885 amplifiers, at the cost of a slight loss in speed. 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 200pA 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.

Capacitive loads up to 1000pF can be driven directly in unity-gain follower applications.

The dual LT1881 and LT1881A are available with standard pinouts in S8 and PDIP packages. The quad LT1882 is in a 14-pin SO package. For a higher speed device with similar DC specifications, see the LT1884/LT1885.

Applications

  • Thermocouple Amplifiers
  • Bridge Transducer Conditioners
  • Instrumentation Amplifiers
  • Battery-Powered Systems
  • Photo Current Amplifiers
LT1882
Quad Rail-to-Rail Output, Picoamp Input Precision Op Amps
16-Bit Voltage Output DAC on ±5V Supply TC VOS Distribution, Industrial Grade Product Package 1 Product Package 2
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Documentation

Data Sheet 1

Reliability Data 1

Technical Articles 1

Data Sheet

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Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

  • LT1882
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