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LTC2053

PRODUCTION

Precision, Rail-to-Rail, Zero-Drift, Resistor-Programmable Instrumentation Amplifier

Data Sheet Product Selection Table
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Overview

  • 116dB CMRR Independent of Gain
  • Maximum Offset Voltage: 10μV
  • Maximum Offset Voltage Drift: 50nV/°C
  • Rail-to-Rail Input
  • Rail-to-Rail Output
  • 2-Resistor Programmable Gain
  • Supply Operation: 2.7V to ±5.5V
  • Typical Noise: 2.5μVP-P (0.01Hz to 10Hz)
  • Typical Supply Current: 750μA
  • LTC2053-SYNC Allows Synchronization to External Clock
  • Available in MS8 and 3mm × 3mm × 0.8mm DFN Packages

The LTC2053 is a high precision instrumentation amplifier. The CMRR is typically 116dB with a single or dual 5V supply and is independent of gain. The input offset voltage is guaranteed below 10μV with a temperature drift of less than 50nV/°C. The LTC2053 is easy to use; the gain is adjustable with two external resistors, like a traditional op amp.

The LTC2053 uses charge balanced sampled data techniques to convert a differential input voltage into a single ended signal that is in turn amplified by a zero-drift operational amplifier.

The differential inputs operate from rail-to-rail and the single-ended output swings from rail-to-rail. The LTC2053 can be used in single-supply applications, as low as 2.7V. It can also be used with dual ±5.5V supplies. The LTC2053 requires no external clock, while the LTC2053-SYNC has a CLK pin to synchronize to an external clock.

The LTC2053 is available in an MS8 surface mount package. For space limited applications, the LTC2053 is available in a 3mm × 3mm × 0.8mm dual fine pitch leadless package (DFN).

Applications

  • Thermocouple Amplifiers
  • Electronic Scales
  • Medical Instrumentation
  • Strain Gauge Amplifiers
  • High Resolution Data Acquisition
LTC2053
Precision, Rail-to-Rail, Zero-Drift, Resistor-Programmable Instrumentation Amplifier
Differential Bridge Amplifier Product Package 1 Product Package 2 Typical Input Referred Offset vs Input Common Mode Voltage (VS = 3V)
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Documentation

Data Sheet 1

Reliability Data 1

Application Note 1

Design Note 1

Technical Articles 2

Data Sheet

This is the most up-to-date revision of the 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 2

Models for the following parts are available in LTspice:

  • LTC2053
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.

Latest Discussions

2 Years Ago
ad8426 instrumental amplifier
2 Years Ago
2mV of offset voltage on LTC2053 output
2 Years Ago
noise on LTC2053 output
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