Part Number: INA132UA/2K5

Manufacturer: Texas Instruments


Shipped from: Shenzhen/HK Warehouse

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Technical Specifications of INA132UA/2K5

Datasheet  INA132UA/2K5 datasheet
Category Integrated Circuits (ICs)
Family Linear – Amplifiers – Instrumentation, OP Amps, Buffer Amps
Manufacturer Texas Instruments
Packaging Tape & Reel (TR)
Part Status Active
Amplifier Type Differential
Number of Circuits 1
Output Type
Slew Rate 0.1 V/μs
Gain Bandwidth Product
-3db Bandwidth 300kHz
Current – Input Bias
Voltage – Input Offset 75μV
Current – Supply 160μA
Current – Output / Channel 12mA
Voltage – Supply, Single/Dual (±) 2.7 V ~ 36 V, ±1.35 V ~ 18 V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154″, 3.90mm Width)
Supplier Device Package 8-SOIC


The INA132UA/2K5 integrated circuit is a versatile and strong low-power, unity-gain differential amplifier. This precision gadget is used in a variety of electronic circuits and applications. This detailed tutorial will delve into the INA132UA/2K5’s features, functions, and different applications, providing you with a solid understanding of this critical electronic building piece.

Understanding the INA132UA/2K5

The INA132UA/2K5 is a one-of-a-kind integrated circuit (IC) that combines a precision operational amplifier (op-amp) with a precision resistor network. This component integration distinguishes it from standard differential amplifiers, which require costly external precision resistor networks. Here are some important features of the INA132UA/2K5:

● Precision and Accuracy

Precision is one of the INA132UA/2K5’s notable qualities. Laser trimmed on-chip resistors ensure accurate gain and good common-mode rejection. This precision extends to its temperature coefficient tracking, which keeps gain accuracy and common-mode rejection consistent throughout temperature ranges.

● Wide Supply Range

When it comes to power supply, the INA132UA/2K5 is extremely adaptable. It can run on single power sources ranging from 2.7V to 36V or dual power supplies ranging from 1.35V to 18V. Because of its adaptability, it is appropriate for a wide range of applications.

● Low Power Consumption

The INA132UA/2K5 is power-efficient, with a quiescent current of only 160A, making it excellent for battery-powered systems where power conservation is vital.

● Excellent Performance

The INA132UA/2K5 has a low gain error of 0.075% and a low nonlinearity of 0.001%, ensuring high-quality signal amplification. It also has a high common-mode rejection ratio (CMR) of 90dB, allowing it to reject noise and interference effectively.

● Single-Supply Operation

The common-mode range of its op-amp extends to the negative supply, making it ideal for single-supply situations when a negative supply voltage is not available.

● Package Options

The INA132UA/2K5 comes in two packages: the 8-pin DIP (Dual Inline Package) and the SO-8 (Surface-Mount Package). This variation in packaging increases its circuit design adaptability.


The INA132UA/2K5 is an outstanding integrated circuit with an exceptional collection of features and capabilities. Let’s take a deeper look at these qualities to see how they contribute to the IC’s versatility and utility in many applications:

Low Quiescent Current (160µA)

The INA132UA/2K5 works with little power consumption due to its low quiescent current, making it appropriate for battery-powered and energy-efficient applications.

Wide Supply Range

  • Single Supply (2.7V to 36V):Because of its wide voltage range, the INA132UA/2K5 can function with a variety of power sources, including single-cell batteries and common power supplies.
  • Dual Supplies (±1.35V to ±18V):The flexibility to use multiple power supply allows for balanced amplification and signal conditioning in a variety of circuit layouts.

Low Gain Error (±0.075% max)

The INA132UA/2K5’s precise gain accuracy guarantees highly accurate amplification of input signals, which is critical in situations where measurement precision is critical.

Low Nonlinearity (0.001% max)

Due to its low nonlinearity, the INA132UA/2K5 is well suited for applications that need accurate signal reproduction over a wide input voltage range.

High Common-Mode Rejection (CMR) (90dB)

As a common source of interference in electronic circuits, common-mode noise is effectively rejected by the high CMR of 90dB. In contexts where the signal’s integrity is paramount, this function is invaluable.

Highly Versatile Circuit

The INA132UA/2K5’s precision and adaptability make it a useful building block for a wide range of circuit layouts, such as amplifiers, summing amplifiers, and differential input stages.

Easy to Use

The ease of integration into electronic circuits simplifies the design process, reducing development time and effort. Its compatibility with both single and dual supplies adds to its user-friendliness.

Low Cost

The INA132UA/2K5 is an attractive option for budget-conscious applications due to its low price and high performance.

8-Pin DIP and SO-8 Packages

The two available package types, 8-pin DIP and SO-8, provide for greater design freedom and interoperability with a wider range of circuit board designs.

The INA132UA/2K5 is a great option for a broad variety of applications in industries including electronics, instrumentation, control systems, and more thanks to its low power consumption, wide supply range, precise amplification, noise rejection, versatility, and affordable price. Engineers and designers who need dependable signal conditioning solutions will find it an invaluable tool thanks to its stability and performance in a wide range of environments.


The INA132UA/2K5’s accuracy, adaptability, and low power consumption make it a very flexible integrated circuit with many uses. The INA132UA/2K5 can be useful in the following situations:

  • In medical instrumentation, the INA132UA/2K5 can be used to accurately amplify biosignals while rejecting common-mode interference, making it ideal for applications like ECG (Electrocardiogram) amplifiers and patient monitoring systems.
  • The INA132UA/2K5 is ideal for strain gauge bridge amplification, which is utilized in many force measuring tools such load cells, pressure sensors, and accelerometers. It does a good job of transforming very small variations in resistance into voltage signals.
  • The INA132UA/2K5 can be used to accurately amplify the tiny voltage signals provided by temperature sensors such thermocouples and RTDs (Resistance Temperature Detectors) for use in temperature monitoring and control systems.
  • The INA132UA/2K5 can be used to amplify analog signals from sensors in industrial automation and control systems, allowing for more accurate measurements to be taken for process control and monitoring.
  • The INA132UA/2K5 is a great front-end amplifier for data acquisition systems, especially those that need high precision and low noise before digitizing signals.
  • Wheatstone bridges are utilized in many types of transducers, including pressure sensors, strain gauges, and accelerometers, and this circuit can be used to condition signals from these types of bridges. The INA132UA/2K5 is a precise instrument, therefore your readings will be reliable.
  • This IC is well suited for audiophile-grade applications due to its low noise and distortion levels when utilized in high-quality audio equipment for differential audio signal processing and amplification.
  • The INA132UA/2K5 can be used to sense and amplify control signals in control systems that require precise feedback, keeping the system stable and accurate.
  • It can be used to keep an eye on voltage and prevent damage to electrical components caused by either too much or too little of it.
  • The INA132UA/2K5’s high-quality specifications and performance make it ideal for use in any application that necessitates precise signal conditioning, such as signal amplification and noise rejection.

As a result of its precise signal amplification, common-mode noise rejection, and adaptability in a wide variety of applications across industries, the INA132UA/2K5 is an indispensable part of numerous electronic circuits and systems. Engineers and designers that need reliable signal processing solutions turn to it because it can perform reliably and efficiently in a wide variety of conditions.


In summary, the INA132UA/2K5 is your go-to integrated circuit, offering versatility, precision, and cost-effectiveness. Whether you’re amplifying differential signals, combating noise, or crafting precision amplifiers, this IC delivers outstanding performance. With minimal power consumption and unwavering accuracy, it’s an invaluable asset for both single and dual-supply setups.

Don’t miss out on the opportunity to elevate your electronic designs. Contact us at ICRFQ today to discover how the INA132UA/2K5 can be the foundation of your next project. Your path to a connected future awaits – unlock the potential of the INA132UA/2K5 for your innovation. Get in touch now and start your next breakthrough!

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