Overview

Features and Benefits

  • 100% Tested Low Voltage Noise: 6nV/√Hz Max
  • S8 Package Standard Pinout
  • Voltage Gain: 1.2 Million Min
  • Offset Voltage: 1.5mV Max
  • Offset Voltage Drift: 15µV/°C Max
  • Input Bias Current, Warmed Up 450pA Max
  • Gain-Bandwidth Product: 5.6MHz Typ
  • Guaranteed Specifications with ±5V Supplies
  • Guaranteed Matching Specifications

Product Details

The LT1113 achieves a new standard of excellence in noise performance for a dual JFET op amp. The 4.5nV/√Hz 1kHz noise combined with low current noise and picoampere bias currents makes the LT1113 an ideal choice for amplifying low level signals from high impedance capacitive transducers.

The LT1113 is unconditionally stable for gains of 1 or more, even with load capacitances up to 1000pF. Other key features are 0.4mV VOS and a voltage gain of 4 million. Each individual amplifier is 100% tested for voltage noise, slew rate and gain bandwidth.

The design of the LT1113 has been optimized to achieve true precision performance with an industry standard pinout in the S0-8 package. A set of specifications are provided for ±5V supplies and a full set of matching specifications are provided to facilitate the use of the LT1113 in matching dependent applications such as instrumentation amplifier front ends.

Applications

  • Photocurrent Amplifiers
  • Hydrophone Amplifiers
  • High Sensitivity Piezoelectric Accelerometers
  • Low Voltage and Current Noise Instrumentation Amplifier Front Ends
  • Two and Three Op Amp Instrumentation Amplifiers
  • Active Filters

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.

To launch ready-to-run LTspice demonstration circuits for this part:

Step 1: Download and install LTspice on your computer.

Step 2: Click on the link in the section below to download a demonstration circuit.

Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.

LTspice

Models for the following parts are available in LTspice:

LT1113

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.

Discussions

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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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