PGA2500

series introduction

# PGA2500 Product Series Introduction

## 1. Overview
The PGA2500 product series represents a cutting - edge line of precision instrumentation amplifiers designed to meet the most demanding requirements in a wide range of applications. These amplifiers are engineered with advanced semiconductor technology to provide high - performance signal conditioning solutions, ensuring accurate and reliable amplification of weak input signals.

## 2. Key Features

### 2.1 High Precision
- **Low Offset Voltage**: The PGA2500 series offers extremely low input offset voltage, typically in the microvolt range. This low offset ensures that the output signal accurately represents the input signal, minimizing errors in measurement and control systems. For example, in a sensor application where small changes in a physical quantity need to be detected, the low offset voltage allows for precise signal amplification without introducing significant baseline errors.
- **High Gain Accuracy**: With a high gain accuracy specification, the amplifiers can provide consistent and predictable amplification over a wide range of gain settings. This is crucial in applications such as medical instrumentation, where accurate signal amplification is essential for proper diagnosis and treatment.

### 2.2 Wide Gain Range
- **Programmable Gain**: The PGA2500 series features programmable gain settings, allowing users to adjust the amplification factor according to the specific requirements of their application. The gain can be easily controlled through digital interfaces, providing flexibility in signal conditioning. For instance, in a data acquisition system, different sensors may require different gain levels to optimize the signal - to - noise ratio, and the programmable gain feature enables seamless adaptation.
- **Large Gain Span**: The amplifiers offer a wide gain span, typically from a few times to several thousand times. This wide range makes them suitable for a variety of input signal levels, from very weak sensor signals to relatively stronger intermediate signals.

### 2.3 Low Noise
- **Low Input Noise Density**: The PGA2500 series is designed to have low input noise density, which is critical for applications where the input signal is very weak. Low noise ensures that the amplified signal remains clean and free from unwanted noise interference, improving the overall signal - to - noise ratio. In audio applications or high - precision measurement systems, low noise is essential for accurate signal reproduction and measurement.

### 2.4 High Common - Mode Rejection Ratio (CMRR)
- **Effective Common - Mode Signal Rejection**: The amplifiers have a high CMRR, which means they can effectively reject common - mode signals while amplifying the differential input signal. This is particularly important in applications where the input signals are prone to common - mode interference, such as in industrial environments or long - cable sensor connections. A high CMRR helps to improve the accuracy and reliability of the measurement by eliminating the influence of common - mode noise.

### 2.5 Excellent Linearity
- **Low Non - Linearity Error**: The PGA2500 series exhibits low non - linearity error, ensuring that the output signal is a linear function of the input signal over a wide range of input amplitudes. This linearity is crucial in applications where accurate signal representation is required, such as in calibration systems or linear control loops.

## 3. Applications

### 3.1 Industrial Automation
- **Sensor Signal Conditioning**: In industrial automation, various sensors such as pressure sensors, temperature sensors, and strain gauges are used to monitor and control industrial processes. The PGA2500 series can be used to amplify the weak signals from these sensors, providing accurate and reliable input to the control systems.
- **Process Control**: The high precision and wide gain range of the amplifiers make them suitable for process control applications, where accurate measurement and control of physical quantities are essential for efficient and safe operation of industrial processes.

### 3.2 Medical Instrumentation
- **Electrocardiogram (ECG) and Electro

Images for reference

PGA2500EVM

28-SSOP Pkg

28-SOIC

Datasheets

• PGA2500
• PGA2500EVM User Guide
• PGA2500

Partlist