Overview

Features and Benefits

  • Input Bias Current:
    • 2pA Max (LT1462A)
    • 20pA Max (LT1462, LT1463)
  • Supply Current per Amplifier: 45µA Max
  • Unity-Gain Stable for C-Load Up to 10nF
  • Input Common Mode Range Includes Positive Rail
  • Guaranteed Specs with ±5V, ±15V Supplies
  • Gain Bandwidth Product: 175kHz Typ
  • Slew Rate: 0.13V/µs Typ
  • Guaranteed Matching Specifications
  • Standard Pinout: SO-8, SO-14 Package

Product Details

The LT1462 (dual) and LT1463 (quad) are the first micropower op amps (45µA max per amp) to offer picoampere input bias currents (1pA typ) and unity gain stability for capacitive loads up to 10nF. The output can swing a 10k load to within 1.5V of either supply, just like op amps that require an order of magnitude more supply current. This unique combination of performance makes the LT1462/LT1463 ideal over a wide range of input and output impedances.

In the design and testing of the LT1462/LT1463, particular emphasis has been placed on optimizing performance in the low cost SO-8 (dual) and 14-lead SO package (quad) for ±15V and ±5V supplies. The input common mode range includes the positive rail. Slew rate (0.08V/µs min) and gain bandwidth product (125kHz min) are 100% tested. A full set of matching specifications is also provided.

Applications

  • Battery-Powered Systems
  • Photocurrent Amplifiers
  • Low Frequency, Micropower Active Filters
  • Low Droop Track-and-Hold Circuits

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:

LT1462

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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