Texas Instruments

INA821ID  

OP Amps, Buffer Amps ICs

INA821ID Description

The INA821ID from Texas Instruments is a high-precision instrumentation amplifier designed for demanding signal conditioning applications. Packaged in an 8-SOIC surface-mount form factor, this single-channel IC delivers exceptional accuracy with an ultra-low input offset voltage of 10 µV and minimal input bias current of 150 pA. Operating over a wide supply range of 4.5V to 36V, it is optimized for low-power systems, consuming only 600µA of supply current. Its 4.7 MHz bandwidth and 2V/µs slew rate ensure robust performance in dynamic signal environments.

INA821ID Features

• High Precision: Low offset voltage (10 µV) and bias current (150 pA) minimize errors in sensitive measurements.
• Wide Supply Range: Supports 4.5V to 36V, making it versatile for industrial and battery-powered systems.
• Low Power Consumption: 600µA supply current extends battery life in portable devices.
• High Bandwidth & Slew Rate: 4.7 MHz bandwidth and 2V/µs slew rate enable fast signal processing.
• Robust Output Drive: 20mA output current capability for driving ADCs or long cables.
• RoHS3 & REACH Compliant: Meets environmental and safety standards for global use.

INA821ID Applications

The INA821ID excels in precision measurement systems, including:

• Medical Instrumentation: ECG amplifiers, patient monitoring due to low noise and high CMRR.
• Industrial Sensors: Strain gauges, bridge amplifiers, and pressure transducers.
• Test & Measurement Equipment: Data acquisition systems requiring high accuracy.
• Battery-Powered Devices: Portable analyzers leveraging its low-power operation.
• Automotive Systems: Sensor signal conditioning in harsh environments.

Conclusion of INA821ID

The INA821ID stands out as a high-performance instrumentation amplifier, combining precision, low power, and wide voltage operation in a compact package. Its low noise, high bandwidth, and robust drive capability make it ideal for medical, industrial, and portable applications where signal integrity is critical. Texas Instruments’ reliability and compliance with RoHS3/REACH further solidify its suitability for global markets. For engineers seeking a balance of accuracy and efficiency, the INA821ID is a compelling choice.

INA821ID Documents

Download datasheets and manufacturer documentation for INA821ID

Datasheets :

INA821      

HTML Datasheet :

INA821      

PCN Design/Specification :

Design 25/Feb/2022