INA157UA/2K5

Overview

The INA157UA/2K5 is a high-speed precision difference amplifier manufactured by Texas Instruments. It features a gain bandwidth product of 4 MHz and a slew rate of 14 V/us. The device operates with a supply voltage range of 8 V to 36 V and consumes 2.4 mA of quiescent current. It offers a common-mode rejection ratio of 80 dB and an input offset voltage of 100 uV. Available in an SOIC-8 package, it supports gains of 0.5 V/V or 2 V/V with a gain error of 0.05%. The component functions within a temperature range of -40 C to +85 C.

Feature Summary

• High-speed operation with 4 MHz bandwidth and 14 V/us slew rate for rapid signal processing
• Precision performance characterized by low input offset voltage and minimal gain error
• Wide single-supply operating range from 8 V to 36 V supporting diverse power environments

Applications

• Industrial process control systems requiring precise differential signal conditioning
• Medical instrumentation utilizing isolated sensor interfaces
• Data acquisition systems demanding high common-mode rejection ratios

Procurement Notes

Verify the specific suffix /2K5 indicates reel packaging when ordering. Confirm the UA variant meets industrial temperature specifications. Ensure compatibility with SOIC-8 footprints during PCB layout. Cross-reference datasheet revisions for any pinout or electrical parameter updates before finalizing procurement contracts.

Selection Notes

Select this component for applications requiring fast transient response alongside high DC accuracy. The fixed internal gain options simplify circuit design by reducing external resistor requirements. Consider the 60 mA output drive capability for direct interfacing with ADCs or transmission lines without additional buffering stages.

Part Context

This part belongs to the INA157 family of difference amplifiers designed for high-performance analog signal processing. The series integrates precision matched resistors on-chip to ensure stable gain characteristics. It serves as a robust solution for isolating small differential signals in noisy environments common in industrial and medical equipment.

Replacement Considerations

INA157U

FAQ

What are the available gain settings for the INA157UA/2K5?

The device provides fixed internal gain options of 0.5 V/V and 2 V/V.

Does the INA157UA/2K5 require external components for basic operation?

No, the precision matched resistors are integrated internally, eliminating the need for external gain-setting components.