INA2143U/2K5G4

Overview

The INA2143U/2K5G4 is a precision difference amplifier manufactured by Texas Instruments, designed for high-performance signal conditioning in demanding environments. This single-channel device operates within a supply voltage range of 4.5 V to 36 V and features a wide operating temperature range from -40°C to +85°C. It provides an input offset voltage (Vos) of 100 µV and delivers an output current per channel of 32 mA. The component is housed in a 14-SOIC surface-mount package and is compliant with RoHS standards.

Feature Summary

• Precision difference amplifier architecture optimized for accurate signal processing
• Wide single-supply voltage operation supporting up to 36 V
• High output drive capability with 32 mA per channel
• Robust thermal performance across extended industrial temperature ranges

Applications

• Optical network signal processing
• Industrial sensor interface circuits
• Precision data acquisition systems

Procurement Notes

Verify the specific ordering suffix /2K5G4 against the manufacturer's latest documentation to confirm reel packaging specifications and RoHS compliance status. Ensure the procurement source is an authorized distributor to guarantee authenticity. Cross-reference the full part number with official datasheets to validate pinout compatibility and moisture sensitivity levels before finalizing purchase orders.

Selection Notes

Select this component when a high-voltage difference amplifier with significant output drive current is required. The 14-SOIC package suits applications needing robust surface-mount integration. Consider the 100 µV offset voltage specification for precision requirements. Evaluate the 4.5 V to 36 V supply range against system power constraints. Verify that the 32 mA output current meets load driving needs without external buffering.

Part Context

The INA2143U belongs to Texas Instruments' family of special purpose amplifiers, specifically categorized as difference amplifiers. It shares the base INA2143 designation but utilizes the U variant for SOIC packaging. The /2K5G4 suffix indicates specific manufacturing and packaging configurations defined by Texas Instruments. This part serves as a dedicated solution for differential signal conversion in industrial and communication equipment.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult Texas Instruments application notes or authorized distributors for direct replacements or pin-compatible alternatives.