INA321EA/2K5 - Texas Instruments

Manufacturer Part Number

INA321EA/2K5

Manufacturer

Texas Instruments

Introduction

The INA321 is a high-performance, low-power instrumentation amplifier designed for a wide range of applications, including industrial, medical, and test and measurement equipment.

Product Features and Performance

Rail-to-rail input and output

Very low input offset voltage (200 μV)

Extremely low input bias current (0.5 pA)

High common-mode rejection ratio (115 dB)

Wide bandwidth (500 kHz)

Low power consumption (40 μA)

Wide supply voltage range (2.5 V to 5.5 V)

Stable gain over temperature

Product Advantages

Exceptional accuracy and precision

Extremely low noise and drift

Versatile and flexible design

Low power consumption for battery-powered applications

Small package size for space-constrained designs

Key Technical Parameters

Supply voltage range: 2.5 V to 5.5 V

Input offset voltage: 200 μV

Input bias current: 0.5 pA

Common-mode rejection ratio: 115 dB

Bandwidth (-3 dB): 500 kHz

Slew rate: 0.4 V/μs

Operating temperature range: -55°C to 125°C

Quality and Safety Features

RoHS3 compliant

Surface mount package (8-VSSOP)

Tape and reel packaging for high-volume production

Compatibility

The INA321 is compatible with a wide range of electronic devices and systems, including industrial equipment, medical devices, test and measurement instruments, and more.

Application Areas

Industrial process control

Medical instrumentation

Test and measurement equipment

Data acquisition systems

General-purpose signal conditioning

Product Lifecycle

The INA321 is an active product in Texas Instruments' product lineup and is not nearing discontinuation. Replacement or upgraded versions may become available in the future, but the INA321 remains a reliable and well-supported option.

Key Reasons to Choose This Product

Exceptional accuracy and precision for critical applications

Extremely low noise and drift for sensitive measurements

Versatile design with a wide range of features and capabilities

Low power consumption for battery-powered or portable devices

Small package size for space-constrained designs

Reliable and well-supported product from a leading semiconductor manufacturer