Part Number: PGA309AIPWR

Manufacturer: Texas Instruments


Shipped from: Shenzhen/HK Warehouse

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Technical Specifications of PGA309AIPWR

Datasheet  PGA309AIPWR datasheet
Category Integrated Circuits (ICs)
Family Interface – Sensor and Detector Interfaces
Manufacturer Texas Instruments
Packaging Tape & Reel (TR)
Part Status Active
Type Signal Conditioner
Input Type Logic
Output Type Voltage
Interface 1-Wire?, 2-Wire
Current – Supply 1.2mA
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case 16-TSSOP (0.173″, 4.40mm Width)
Supplier Device Package 16-TSSOP


The PGA309AIPWR is a flexible analog signal conditioner that was made to work with bridge sensors. Because it has so many useful features, this high-tech gadget is perfect for situations that need accurate signal conditioning and sensor error adjustment. This guide will go over the most important parts of the PGA309AIPWR, including what it can do, what it can be used for, and how to get the most out of it.

Unraveling the PGA309AIPWR

The PGA309AIPWR is a high-tech signal conditioner that does a great job of making bridge sensors work better. These are the most important parts and qualities of this device that make it stand out:

● Analog Signal Conditioning

The main job of the PGA309AIPWR is to boost and modify sensor data. This is very important for keeping the signal accurate and reliable, especially in situations where pressure, strain, and temperature can change the output of the sensor.

● Digital Calibration

The PGA309AIPWR’s ability to do digital tuning is one of its best features. During this calibration process, mistakes in span,  zero, span drift, zero drift, and sensor linearization must be fixed. Notably, this is done without using potentiometers or trimming by hand, which ensures long-term steadiness.

● Calibration Interface

Two different ports on the PGA309AIPWR give you more options for calibrating it. The first one is a One-Wire digital serial link, which makes the process of calibration easier. The second choice is a Two-Wire link, which is an industry standard. Users can choose the option that best fits their needs.

● Nonvolatile Memory

The PGA309AIPWR saves calibration parameters in external nonvolatile memory, usually in a small SOT23-5 package, so they stay the same over time. This keeps the calibration values and keeps you from having to make adjustments by hand.

● Precision Front-End PGA

At its core, the PGA309AIPWR has a Front-End PGA that is known for having low drift and almost no 1/f noise. This PGA is a key part of signal amplification and can be set to different gain levels, from 2.7V/V to an amazing 1152V/V.

● Sensor Error Compensation

This gadget has a built-in sensor linearization circuit that lessens the effect of span, offset, and temperature changes by a large amount. This makes sure that the data from your sensors stays correct and reliable in all kinds of situations.

● Fault Monitoring

The PGA309AIPWR has a fault monitor circuit that can find and report malfunctions like sensor burnout, overload, and system faults. This function makes your applications more reliable and safe.

● Temperature Sensing

Being able to sense temperature with either the internal or external devices makes it flexible for use in a variety of settings.

● Wide Operating Range

The PGA309AIPWR is made to work in a lot of different situations. It works with power supplies that range from +2.7V to +5.5V and can handle temperatures as low as -40°C and as high as +125°C.

● Compact Package

This signal conditioner is very flexible and comes in a small TSSOP-16 package, so it can be used in many situations where room is limited.


The PGA309AIPWR is a programmable analog signal conditioner that is very flexible and powerful. It can be used in a lot of different businesses and situations. The PGA309AIPWR does especially well in the following areas:

  • Bridge Sensors: These are often used in load cells, pressure monitors, and strain gauges, among other things. Because it has accurate signal conditioning and calibration features, the PGA309AIPWR is a great choice for making sure that data from bridge sensors is correct, which is very important in fields like aerospace, manufacturing, and civil engineering.
  • Remote 4-20mA Transmitters: The PGA309AIPWR is a very important part of remote monitoring and control systems because it makes sure that sensor data transmissions are accurate and reliable. It lets you gather data in real time and manage things from afar in areas like oil and gas exploration, monitoring the environment, and automating factories.
  • Strain, Load, and Weigh Scales: The PGA309AIPWR’s exact signal conditioning features make it useful for industries that use strain gauges, load cells, and weigh scales a lot. This is very important in fields like food production, building, testing materials, and logistics, where measuring weight and strain is important for quality control and safety.
  • Automotive Sensors: The automobile industry needs precise sensors for many tasks, like monitoring tire pressure, deploying airbags, and controlling engines. The PGA309AIPWR is a key part of error compensation and signal conditioning for sensors. It makes sure that car sensors send correct data, which improves safety and performance.

These applications highlight the adaptability and reliability of the PGA309AIPWR across diverse industries, where precise signal conditioning and calibration are paramount for optimal sensor performance and data accuracy. Whether it’s in laboratory settings, manufacturing floors, or vehicles on the road, the PGA309AIPWR contributes to safer, more efficient, and more reliable systems.

Getting the Most Out of the PGA309AIPWR

To harness the full potential of the PGA309AIPWR, consider the following:

● Hardware Designer’s Kit (PGA309EVM)

Those that are working with the PGA309AIPWR will find the PGA309EVM to be an extremely helpful resource. The temperature evaluation of the PGA309 is one of the functions it provides, along with complete programming of the device and a sensor compensation analysis tool. The design and calibration processes are simplified with the help of this kit.


In summary, the PGA309AIPWR stands as a formidable instrument, dedicated to elevating the efficiency of bridge sensors and guaranteeing the utmost precision in data acquisition. With its remarkable digital calibration capabilities, sensor error compensation, and remarkable adaptability to an array of environmental conditions, it firmly establishes itself as a valuable asset across a multitude of industries. When coupled with the indispensable resources offered by the PGA309EVM, it becomes an essential component for your sensor applications, ensuring precision and reliability.

Ready to unlock the potential of the PGA309AIPWR for your business? Look no further. Contact ICRFQ, a renowned electronic component distributor in China, and secure this amazing device for yourself. We are committed to providing top-quality products at affordable prices, and we’re here to assist you with all your needs.

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