LTC1053

PRODUCTION

Dual/Quad Precision Zero-Drift Operational Amplifiers With Internal Capacitors

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Overview

  • Dual/Quad Low Cost Precision Op Amp
  • No External Components Required
  • Maximum offset Voltage: 5µV
  • Maximum Offset Voltage Drift: 0.05µV/°C
  • Low Noise 1.5µVP-P (0.1Hz to 10Hz)
  • Minimum Voltage Gain: 120dB
  • Minimum PSRR: 120dB
  • Minimum CMRR: 114dB
  • Low Supply Current: 1mA/Op Amp
  • Single Supply Operation: 4.75V to 16V
  • Input Common Mode Range Includes Ground
  • Output Swings to Ground
  • Typical Overload Recovery Time: 3ms
  • Pin Compatible with Industry Standard Dual and Quad Op Amps

The LTC1051/LTC1053 are high performance, low cost dual/quad zero-drift operational amplifiers. The unique achievement of the LTC1051/LTC1053 is that they integrate on chip the sample-and-hold capacitors usually required externally by other chopper amplifiers. Further, the LTC1051/LTC1053 offer better combined overall DC and AC performance than is available from other chopper stabilized amplifiers with or without internal sample/hold capacitors.

The LTC1051/LTC1053 have an offset voltage of 0.5µV, drift of 0.01µV/°C, DC to 10Hz, input noise voltage typically 1.5µVP-P and typical voltage gain of 140dB. The slew rate of 4V/µs and gain bandwidth product of 2.5MHz are achieved with only 1mA of supply current per op amp.

Overload recover times from positive and negative saturation conditions are 1.5ms and 3ms respectively, about a 100 or more times improvement over chopper amplifiers using external capacitors.

The LTC1051 is available in an 8-lead standard plastic dual-in-line package as well as a 16-pin SW package. The LTC1053 is available in a standard 14-pin plastic package and an 18-pin SO. The LTC1051/LTC1053 are plug in replacements for most standard dual/quad op amps with improved performance.

Applications

  • Thermocouple Amplifiers
  • Electronic Scales
  • Medical Instrumentation
  • Strain Gauge Amplifiers
  • High Resolution Data Acquistion
  • DC Accurate R, C Active Filters
LTC1053
Dual/Quad Precision Zero-Drift Operational Amplifiers With Internal Capacitors
High Performance Low Cost Instrumentation Amplifier LTC1051 Noise Spectrum Product Package 1 Product Package 2 Product Package 3 Product Package 4
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Documentation

Data Sheet 1

Reliability Data 1

Design Note 2

Data Sheet

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Matched Resistors & Transistors 1
LT5400
RECOMMENDED FOR NEW DESIGNS Quad Matched Resistor Network
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Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

  • LTC1053
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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