LT1167
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LT1167

Single Resistor Gain Programmable, Precision Instrumentation Amplifier

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Part Details
Part Models 20
1ku List Price Starting From $4.53
Features
  • Single Gain Set Resistor: G = 1 to 10,000
  • Gain Error: G = 10, 0.08% Max
  • Input Offset Voltage Drift: 0.3µV/°C Max
  • Meets IEC 1000-4-2 Level 4 ESD Tests with Two External 5k Resistors
  • Gain Nonlinearity: G = 10, 10ppm Max
  • Input Offset Voltage: G = 10, 60µV Max
  • Input Bias Current: 350pA Max
  • PSRR at G = 1: 105dB Min
  • CMRR at G = 1: 90dB Min
  • Supply Current: 1.3mA Max
  • Wide Supply Range: ±2.3V to ±18V
  • 1kHz Voltage Noise: 7.5nV/√Hz
  • 0.1Hz to 10Hz Noise: 0.28µVP-P
  • Available in 8-Pin PDIP and SO Packages
Additional Details
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The LT1167 is a low power, precision instrumentation amplifier that requires only one external resistor to set gains of 1 to 10,000. The low voltage noise of 7.5nV/√Hz (at 1kHz) is not compromised by low power dissipation (0.9mA typical for ± 2.3V to ±15V supplies).

The part’s high accuracy (10ppm maximum nonlinearity, 0.08% max gain error (G = 10)) is not degraded even for load resistors as low as 2k. The LT1167 is laser trimmed for very low input offset voltage (40μV max), drift (0.3μV/°C), high CMRR (90dB, G = 1) and PSRR (105dB, G = 1). Low input bias currents of 350pA max are achieved with the use of superbeta processing. The output can handle capacitive loads up to 1000pF in any gain configuration while the inputs are ESD protected up to 13kV (human body). The LT1167 with two external 5k resistors passes the IEC 1000-4-2 level 4 specification.

The LT1167, offered in 8-pin PDIP and SO packages, requires significantly less PC board area than discrete multi op amp and resistor designs.

The LT1167-1 offers the same performance as the LT1167, but its input current characteristic at high common mode voltage better supports applications with high input impedance (see the Applications Information section).

Applications

  • Bridge Amplifiers
  • Strain Gauge Amplifiers
  • Thermocouple Amplifiers
  • Differential to Single-Ended Converters
  • Medical Instrumentation
Part Models 20
1ku List Price Starting From $4.53

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Documentation

Documentation

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Oct 12, 2022

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Jun 11, 2021

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Laser Top Mark for 8SOICN Assembled in ADPG, UTL and CRM

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Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 1

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EVAL-INAMP

AD62x, AD822x, AD842x Series InAmp Evaluation Board

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EVAL-INAMP

AD62x, AD822x, AD842x Series InAmp Evaluation Board

AD62x, AD822x, AD842x Series InAmp Evaluation Board

Product Detail

Analog Devices provides a line of evaluation boards designed to help users evaluate our instrumentation amplifiers in 8 pin packages. Access the user guide UG-261.

This user guide describes three generic evaluation boards that can be used to evaluate many of Analog Devices instrumentation amplifiers. For information on the performance of a specific instrumentation amplifier, see the data sheet for that instrumentation amplifier.

  • 3 generic, easy-to-use evaluation boards
    • Shipped with an assortment of Analog Devices in-amps
    • Solder in the in-amp to be tested
    • Test pins already populated
    • Decoupling capacitors already populated
  • EVAL-INAMP-62RZ board: Compatible with AD620, AD621, AD622, AD623, AD627, AD8223, AD8225,  LT1167, LT1168 and LT6370 in SOIC or PDIP
  • EVAL-INAMP-82RZ board: Compatible with AD8221, AD8226, AD8227, AD8228, AD8229, AD8421, AD8428, and AD8429 in SOIC package
  • EVAL-INAMP-82RMZ board: Compatible with AD8220, AD8221, AD8226, AD8227, AD8228, AD8236, and AD8421 in MSOP package
Tools & Simulations

Tools & Simulations 3

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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