LT1496

PRODUCTION

1.5µA Max, Quad Precision Rail-to-Rail Input and Output Op Amps

Data Sheet Product Selection Table
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Overview

  • Low Supply Current: 1.5µA Max
  • Rail-to-Rail Input and Output
  • Low Offset Voltage: 375µV Max
  • Wide Supply Range: 2.2V to 36V
  • Single Supply Input Range: –0.3V to 36V
  • Low Input Bias Current: 250pA
  • Low Input Offset Current: 20pA
  • High AVOL: 100V/mV Minimum Driving 100kΩ Load
  • Output Sources and Sinks 500µA Load Current
  • Reverse Battery Protected to 18V
  • Operating Temperature Range: –40°C to 125°C (LT1494)
  • Over-The-Top™ Inputs Operate Above V+

The LT1494/LT1495/LT1496 are the lowest power (IS ≤ 1.5µA) op amps with precision specifications. The extremely low supply current is combined with excellent amplifier specifications: input offset voltage is 375µV maximum with a typical drift of only 0.4µV/°C, input offset current is 100pA maximum. A minimum open-loop gain (AVOL) of 100V/mV ensures that gain errors are small. The device characteristics change little over the supply range of 2.2V to ±15V. Supply rejection is 90dB and the common mode rejection ratio is 90dB. Operation is specified for 3V, 5V and ±15V supplies. Reverse battery protection (–18V min) and inputs that operate above the positive supply make the LT1494/LT1495/LT1496 easy to use in harsh environments.

The low bias currents and offset current of the amplifier permit the use of megohm level source resistors without introducing significant errors. Voltage noise at 4µVP-P is remarkably low considering the low supply current.

The LT1494 is available in the 8-Pin MSOP, PDIP and SO packages.The LT1495 is available in plastic 8-Pin PDIP and SO packages with the standard dual op amp pinout. The LT1496 is available in 14-Pin SO and PDIP packages.

Applications

  • Battery- or Solar-Powered Systems
  • Portable Instrumentation
  • Remote Sensor Amplifier
  • Micropower Filter
LT1496
1.5µA Max, Quad Precision Rail-to-Rail Input and Output Op Amps
Micropower Integrating Current Sense TC VOS Distribution Product Package 1 Product Package 2 Product Package 3 Product Package 4
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Documentation

Data Sheet 1

Reliability Data 1

Application Note 1

Design Note 1

Data Sheet

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Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

  • LT1496

Analog Filter Wizard

Use the Analog Filter Wizard to design low-pass, high-pass, or band-pass filters with actual op amps in minutes. As you progress through the design process, you can observe the characteristics of your filter design from ideal specifications to real world circuit behavior. Quickly evaluate the tradeoffs in op amp specifications - including gain-bandwidth, noise, and supply current – to determine the best filter design for your requirements.

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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.

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