Product details

Number of channels (#) 1 Vs (Max) (V) 36 Vs (Min) (V) 3 Input offset (+/-) (Max) (uV) 150 Gain (Min) (V/V) 5 Gain (Max) (V/V) 1000 Noise at 1 kHz (Typ) (nV/rt (Hz)) 17 Features Cost Optimized CMRR (Min) (dB) 110 Input offset drift (+/-) (Max) (uV/C) 2.5 Input bias current (+/-) (Max) (nA) 50 Iq (Typ) (mA) 0.2 Bandwidth at min gain (Typ) (MHz) 0.6 Gain error (+/-) (Max) (%) 0.4 Operating temperature range (C) -40 to 125 Type Resistor Output swing headroom (to negative supply) (Typ) (V) 0.1 Output swing headroom (to positive supply) (Typ) (V) -0.15 Input common mode headroom (to negative supply) (Typ) (V) -0.2 Input common mode headroom (to positive supply) (Typ) (V) -0.9 Noise at 0.1 Hz-10 Hz (Typ) (uVpp) 0.5 Gain non-linearity (+/-) (Max) (%) 0.005
Number of channels (#) 1 Vs (Max) (V) 36 Vs (Min) (V) 3 Input offset (+/-) (Max) (uV) 150 Gain (Min) (V/V) 5 Gain (Max) (V/V) 1000 Noise at 1 kHz (Typ) (nV/rt (Hz)) 17 Features Cost Optimized CMRR (Min) (dB) 110 Input offset drift (+/-) (Max) (uV/C) 2.5 Input bias current (+/-) (Max) (nA) 50 Iq (Typ) (mA) 0.2 Bandwidth at min gain (Typ) (MHz) 0.6 Gain error (+/-) (Max) (%) 0.4 Operating temperature range (C) -40 to 125 Type Resistor Output swing headroom (to negative supply) (Typ) (V) 0.1 Output swing headroom (to positive supply) (Typ) (V) -0.15 Input common mode headroom (to negative supply) (Typ) (V) -0.2 Input common mode headroom (to positive supply) (Typ) (V) -0.9 Noise at 0.1 Hz-10 Hz (Typ) (uVpp) 0.5 Gain non-linearity (+/-) (Max) (%) 0.005
VSSOP (DGK) 8 15 mm² 3 x 4.9
  • Eliminates Errors from External Resistors at Gain of 5
  • Common-Mode Range Goes Below
    Negative Supply
  • Input Protection: Up to ±40 V
  • Rail-to-Rail Output
  • Outstanding Precision:
    • Common-Mode Rejection: 88 dB, minimum
    • Low Offset Voltage: 150 µV, maximum
    • Low Drift: 2.5 µV/°C, maximum
    • Low Gain Drift: 1 ppm/°C, max (G = 5 V/V)
    • Power-Supply Rejection:
      100 dB, min (G = 5)
    • Noise: 17 nV/√Hz, G = 1000 V/V
  • High Bandwidth:
    • G = 5: 600 kHz
    • G = 100: 150 kHz
  • Supply Current: 200 µA, typical
  • Supply Range:
    • Single Supply: 3 V to 36 V
    • Dual Supply: ±1.5 V to ±18 V
  • Specified Temperature Range:
    –40°C to +125°C
  • Package: 8-pin VSSOP
  • Eliminates Errors from External Resistors at Gain of 5
  • Common-Mode Range Goes Below
    Negative Supply
  • Input Protection: Up to ±40 V
  • Rail-to-Rail Output
  • Outstanding Precision:
    • Common-Mode Rejection: 88 dB, minimum
    • Low Offset Voltage: 150 µV, maximum
    • Low Drift: 2.5 µV/°C, maximum
    • Low Gain Drift: 1 ppm/°C, max (G = 5 V/V)
    • Power-Supply Rejection:
      100 dB, min (G = 5)
    • Noise: 17 nV/√Hz, G = 1000 V/V
  • High Bandwidth:
    • G = 5: 600 kHz
    • G = 100: 150 kHz
  • Supply Current: 200 µA, typical
  • Supply Range:
    • Single Supply: 3 V to 36 V
    • Dual Supply: ±1.5 V to ±18 V
  • Specified Temperature Range:
    –40°C to +125°C
  • Package: 8-pin VSSOP

The INA827 is a low-cost instrumentation amplifier (INA) that offers extremely low power consumption and operates over a very wide single- or dual-supply range. The device is optimized for the lowest possible gain drift of only 1 ppm per degree Celsius in G = 5, which requires no external resistor. However, a single external resistor sets any gain from 5 to 1000.

The INA827 is optimized to provide excellent common-mode rejection ratio (CMRR) of over 88 dB (G = 5) over frequencies up to 5 kHz. In G = 5, CMRR exceeds 88 dB across the full input common-mode range from the negative supply all the way up to 1 V of the positive supply. Using a rail-to-rail output, the INA827 is well-suited for low-voltage operation from a 3-V singlesupply as well as dual supplies up to ±18 V. Additional circuitry protects the inputs against overvoltage of up to ±40 V beyond the power supplies by limiting the input currents to a save level.

The INA827 is available in a small VSSOP-8 package and is specified for the –40°C to +125°C temperature range. For a similar instrumentation amplifier with a gain range of 1 V/V to 1000 V/V, see the INA826.

The INA827 is a low-cost instrumentation amplifier (INA) that offers extremely low power consumption and operates over a very wide single- or dual-supply range. The device is optimized for the lowest possible gain drift of only 1 ppm per degree Celsius in G = 5, which requires no external resistor. However, a single external resistor sets any gain from 5 to 1000.

The INA827 is optimized to provide excellent common-mode rejection ratio (CMRR) of over 88 dB (G = 5) over frequencies up to 5 kHz. In G = 5, CMRR exceeds 88 dB across the full input common-mode range from the negative supply all the way up to 1 V of the positive supply. Using a rail-to-rail output, the INA827 is well-suited for low-voltage operation from a 3-V singlesupply as well as dual supplies up to ±18 V. Additional circuitry protects the inputs against overvoltage of up to ±40 V beyond the power supplies by limiting the input currents to a save level.

The INA827 is available in a small VSSOP-8 package and is specified for the –40°C to +125°C temperature range. For a similar instrumentation amplifier with a gain range of 1 V/V to 1000 V/V, see the INA826.

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Technical documentation

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Type Title Date
* Data sheet INA827 Wide Supply Range, Rail-to-Rail Output Instrumentation Amplifier With a Minimum Gain of 5 datasheet (Rev. B) 27 Nov 2017
Application note Importance of Input Bias Current Return Paths in Instrumentation Amplifier Apps 27 Jul 2021
Technical article What is an instrumentation amplifier? 09 Aug 2019
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 Mar 2017
Technical article How to layout a PCB for an instrumentation amplifier 14 Oct 2016
Technical article Dealing with rejection: Instrumentation amplifier PSRR and CMRR (Part I) 25 Nov 2013
User guide INA827EVM User's Guide 19 Jun 2012

Design & development

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Evaluation board

INA827EVM — INA827 Evaluation Module

The INA827EVM is intended to provide basic functional evaluation of the INA827.

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Simulation model

INA827 TINA-TI Reference Design

SBOM767.TSC (284 KB) - TINA-TI Reference Design
Simulation model

INA827 TINA-TI Spice Model

SBOM768.ZIP (9 KB) - TINA-TI Spice Model
Simulation tool

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TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
Calculation tool

ANALOG-ENGINEER-CALC — Analog engineer's calculator

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