INA2133U

Overview

The INA2133U is a dual-channel, high-speed precision differential amplifier manufactured by Texas Instruments. It operates within a supply voltage range of 4.5 V to 36 V and draws an operating supply current of 950 uA. Key electrical specifications include a gain bandwidth product of 1.5 MHz, a slew rate of 4.5 V/us, and a common mode rejection ratio of 80 dB. The input offset voltage is specified at 450 uV, with an input bias current typical for the series. The device is designed for surface mount installation in a SOIC-14 package and supports an extended operating temperature range from -55 C to +125 C.

Feature Summary

• Dual-channel architecture providing two independent differential amplification paths within a single integrated circuit.
• High-speed performance characterized by a 1.5 MHz gain bandwidth product and 4.5 V/us slew rate for rapid signal processing.
• Extended industrial temperature rating ensuring reliable operation across a wide thermal range from -55 C to +125 C.

Applications

• Industrial process control systems requiring precise differential signal conditioning
• Medical instrumentation utilizing high-speed data acquisition
• Test and measurement equipment demanding stable differential amplification

Procurement Notes

Verify the specific suffix against official documentation to confirm exact packaging and environmental compliance details. Ensure the procurement channel provides valid traceability for the component's manufacturing origin. Confirm that the requested quantity aligns with standard factory packing configurations to avoid unnecessary handling fees or partial reel issues during assembly.

Selection Notes

Select this component when dual-channel isolation is required alongside high-speed response capabilities. The wide supply voltage range accommodates various system power architectures without additional level shifting. Consider the SOIC-14 footprint for PCB layout constraints and verify that the 450 uV offset voltage meets the precision requirements of the target application circuit.

Part Context

This part belongs to the INA2133 family of high-speed precision differential amplifiers. It shares functional similarities with other devices in the series but offers distinct channel counts and package options. The U suffix indicates a specific tape and reel or tube configuration variant within the broader product line, distinguishing it from other physical form factors available for the same core circuitry.

Replacement Considerations

Direct substitutes may include other dual-channel differential amplifiers from the same manufacturer series. Verify pin compatibility and electrical parameter equivalence before substitution. Cross-reference datasheets to ensure the alternative device meets the required speed and temperature specifications.