Description

INA821IDGKR Precision Amplifier

The INA821IDGKR is a high-precision instrumentation amplifier designed by Texas Instruments to cater to a wide array of applications that demand accurate and stable signal amplification. With its advanced design, this amplifier offers exceptional performance characteristics that make it a perfect choice for precision data acquisition, medical instrumentation, and industrial process control systems.

Key Features:

• High Accuracy:The INA821IDGKR boasts a low offset voltage and drift, ensuring high-precision measurements over time and temperature variations.
• Wide Supply Range:Operating from a single supply voltage ranging from 4.0V to 36V, or dual supplies of ±2.0V to ±18V, this amplifier is flexible for various circuit configurations.
• Low Power Consumption:With a quiescent current of only 600µA, it is an energy-efficient solution for battery-powered and portable applications.
• High Common-Mode Rejection Ratio (CMRR):The device features a CMRR of 114dB (typical), which is crucial for applications in noisy environments where common-mode noise rejection is critical.
• Wide Temperature Range:The INA821IDGKR can operate over an industrial temperature range from -40°C to +125°C, ensuring reliable performance in harsh conditions.

Applications:

• Medical instrumentation such as ECG and non-invasive blood pressure monitors.
• Precision data acquisition systems, including weigh scales and transducer interfaces.
• Industrial process controls and sensor measurements.
• Automotive systems requiring high precision signal conditioning.

The INA821IDGKR comes in a compact VSSOP-8 (DGK) package, which is ideal for space-constrained applications. Its integrated EMI filter further enhances its performance in electrically noisy environments. With these features, the INA821IDGKR is a robust and reliable choice for designers looking to improve the accuracy and efficiency of their electronic systems.

Products specifications