Product Overview: Texas Instruments INA117SM High Accuracy Instrumentation Amplifier

The INA117SM from Texas Instruments is a precision instrumentation amplifier designed for data acquisition applications that require high accuracy, stability, and low power consumption. This versatile device is ideal for use in a wide range of industries, including medical, industrial, and automotive systems, where precise signal amplification is essential.

Key Features and Benefits:

• High Common-Mode Rejection Ratio (CMRR): The INA117SM offers an excellent CMRR of 86 dB at 60 Hz, which allows it to accurately amplify differential signals in the presence of high common-mode noise. This makes it particularly useful for environments with significant electrical interference.
• Wide Input Common-Mode Voltage Range: This amplifier can handle a broad range of input common-mode voltages, from -10V to +40V, even at +Vs=+5V. This feature enables the INA117SM to be used in applications with varying input levels without compromising performance.
• Low Offset Voltage: The device boasts a low offset voltage of 250 µV (max), which enhances the accuracy of the amplified signal.
• High Input Impedance: With a high input impedance, the INA117SM minimizes the loading effect on the input signal source, preserving signal integrity.
• Low Quiescent Current: The operational quiescent current is just 700 µA, making the INA117SM suitable for battery-powered and portable applications where power efficiency is critical.
• Flexible Power Supply: It operates over a wide single or dual power supply range of +2.7V to +36V, or ±1.35V to ±18V, providing flexibility in various circuit designs.

Applications:

The INA117SM is well-suited for a variety of applications, including:

• Isolation amplifiers
• Differential amplifiers
• Strain gauge amplifiers
• Thermocouple amplifiers
• Industrial process controls
• Precision data acquisition systems

Reliability and Packaging:

Encased in a small 8-pin SOIC package, the INA117SM is designed for compact PCB layouts. Texas Instruments' commitment to quality ensures that this instrumentation amplifier meets the highest reliability standards for industrial-grade components.

Overall, the INA117SM is a highly reliable and precise solution for applications that demand accurate signal conditioning with minimal power draw.