Common-Mode Input Range Calculator for Instrumentation Amplifiers
INA-CMV-CALC
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Technical documentation

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Key Document

Description

The Common-Mode Input Range Calculator is tool for quickly generating plots of an instrumentation amplifier’s common-mode input range vs output. The tool is compatible with both 2-amp and 3-amp instrumentation amplifiers utilizing any supply range.

The Common-Mode Input Range Calculator is pre-loaded with specifications for TI’s most popular instrumentation amplifiers but can be modified to suit your exact application with customizable inputs for supply range, gain, and reference voltage. For a range of common-mode inputs, the tool will display the expected output voltage range numerically as well as graphically.

The Common-Mode Input Range Calculator enables designers to easily determine the input common-mode and output swing limitations of the chosen instrumentation amplifier to ensure the instrumentation amplifier operates in a linear fashion for a given design, maximizing dynamic range and minimizing prototyping time.

Features
  • Preloaded with 20 of TI’s most popular instrumentation amplifier specifications
  • Customizable supply, gain, and voltage reference options
  • Calculator displays output limitations graphically and numerically

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Part Number Status

INA-CMV-CALC:
Calculate Input Common-Mode Range of Instrumentation Amplifiers

ACTIVE
Technical documentation
Application notes (4)
Title Type Size (KB) Date
PDF 3050 24 Oct 2016
PDF 778 21 Jul 2016
PDF 632 30 Oct 2015
PDF 177 10 Oct 2005
Design files (1)
Title Type Size (KB) Date
ZIP 209503 22 Jun 2018

Design tools & simulation (1)

Name Part Number Tool Type
SPICE-based analog simulation program  TINA-TI  Simulation tools 

Hardware development (2)

Name Part Number Tool Type
Universal Instrumentation Amplifier EVM (MSOP-8)  INAEVM-MSOP8  Evaluation boards 
Universal Instrumentation Amplifier EVM (SO8)  INAEVM-SO8  Evaluation boards 

TI Devices (41)

Part Number Name Product Family
INA101  Very High Accuracy Instrumentation Amplifier  Amplifiers 
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INA111  High Speed FET-Input Instrumentation Amplifier  Amplifiers 
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INA115  1-MHz, 50-μV, 11-nV/√Hz, 3mA-power, switched gain enabled precision instrumentation amplifier  Amplifiers 
INA116  Ultra Low Input Bias Current Instrumentation Amplifier  Amplifiers 
INA118  Precision, Low Power Instrumentation Amplifier  Amplifiers 
INA121  FET-Input, Low Power Instrumentation Amplifier  Amplifiers 
INA122  Single Supply, MicroPower Instrumentation Amplifier  Amplifiers 
INA125  Instrumentation Amplifier with Precision Voltage Reference  Amplifiers 
INA126  36V microPower (175-µA), 250-µV offset, precision instrumentation amplifier  Amplifiers 
INA128  Precision, 130-dB CMRR, 700-µA, Low-Power, Instrumentation Amplifier  Amplifiers 
INA129  Precision, Low Power Instrumentation Amplifiers  Amplifiers 
INA131  Precision G = 100 Instrumentation Amplifier  Amplifiers 
INA141  Precision, Low Power, G = 10, 100 Instrumentation Amplifier  Amplifiers 
INA155  5.5-V single-Supply, 550-KHz (G=10), 6.5-V/µs slew rate, 1-mV offset, RRO, CMOS instrumentation a  Amplifiers 
INA156  5.5-V single-Supply, 550-KHz (G=10), 6.5-V/µs slew rate, 8-mV offset, RRO, CMOS instrumentation amp   Amplifiers 
INA166  Low-Noise, Low-Distortion, G=2000 Instrumentation Amplifier  Amplifiers 
INA2126  Dual 36V microPower (175-µA), 250-µV offset, precision instrumentation amplifier   Amplifiers 
INA2128  Dual, Low Power Instrumentation Amplifier  Amplifiers 
INA2141  Dual, Low Power, G = 10, 100 Instrumentation Amplifier  Amplifiers 
INA217  Low Noise, Low-Distortion Instrumentation Amplifier Replacement for SSM2017  Amplifiers 
INA2321  Dual microPower (40-µA) plus shutdown, 500-µV offset, 10-pA bias, RRO instrumentation amp   Amplifiers 
INA2331  Low-Power, Single Supply, CMOS, Instumentation Amplifier  Amplifiers 
INA2332  Low-Power, Single-Supply, CMOS Instrumentation Amplifiers  Amplifiers 
INA321  MicroPower (40-µA) plus shutdown, 500-µV offset, 10-pA bias, RRO instrumentation amp   Amplifiers 
INA322  MicroPower (40-µA) plus shutdown, 2 mV offset, 10-pA bias, RRO instrumentation amp   Amplifiers 
INA326  Precision, Low Drift, CMOS Instrumentation Amplifier  Amplifiers 
INA327  Precision, Low Drift, CMOS Instrumentation Amplifier with Shutdown  Amplifiers 
INA330  Thermistor Signal Amplifier for Temperature Control  Amplifiers 
INA331  Low-Power, Single Supply, CMOS, Instrumentation Amplifier  Amplifiers 
INA332  Low-Power, Single Supply, CMOS, Low Cost, Instumentation Amplifier  Amplifiers 
INA337  Wide-Temperature, Precision Instrumentation Amplifier  Amplifiers 
INA338  Wide-Temperature, Precision Instrumentation Amplifier with Shutdown  Amplifiers 
PGA103  Programmable Gain Amplifier  Amplifiers 
PGA202  Digitally Controlled (Decade model gains 1,10,100,1000) Programmable-Gain Instrumentation Amp   Amplifiers 
PGA203  Digitally Controlled (Binary model gains 1,2,4,8) Programmable-Gain Instrumentation Amp   Amplifiers 
PGA204  50-µV offset, G= 1, 10, 100, 1000 programmable gain instrumentation amplifier   Amplifiers 
PGA205  50-µV offset, G= 1, 2, 4, 8 programmable gain instrumentation amplifier   Amplifiers 
PGA206  5-MHz, 100-pA bias current, FET input programmable gain (G=1,2,4,8) instrumentation amplifier   Amplifiers 
PGA207  5-MHz, 100-pA bias current, FET input programmable gain (G=1,2,5,10) instrumentation amplifier   Amplifiers 

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