INA103KU/1KG4

Overview

The INA103KU/1KG4 is a low-noise, low-distortion instrumentation amplifier manufactured by Texas Instruments. It features a fixed internal gain of 100 V/V and operates on a single supply voltage ranging from 5 V to 36 V. The device utilizes a monolithic architecture with laser-trimmed precision resistors to ensure high accuracy and stability. It is housed in a 14-lead CDIP (Ceramic Dual In-Line Package) suitable for industrial applications requiring robust performance.

Feature Summary

• Monolithic construction with integrated laser-trimmed precision resistors for stable gain
• Low noise and low distortion characteristics optimized for signal integrity
• Fixed internal gain configuration eliminates external resistor requirements
• Single-supply operation capability simplifies power system design

Applications

• Precision data acquisition systems
• Medical instrumentation
• Industrial process control sensors
• High-fidelity audio preamplifiers

Procurement Notes

Verify the specific suffix 'G4' against the manufacturer's current datasheet to confirm compliance with RoHS directives and lead-free material specifications. Confirm package type availability as ceramic packages may have limited distribution channels compared to standard plastic variants. Check for obsolescence status directly with Texas Instruments or authorized distributors before finalizing procurement plans.

Selection Notes

Select this component when a fixed gain of 100 V/V is required without external feedback networks. It is suitable for applications demanding low input bias current and high common-mode rejection ratio. Consider thermal management if operating near maximum supply voltages. Ensure the input signal range remains within the specified limits to prevent clipping or distortion during operation.

Part Context

This part belongs to the INA103 family of instrumentation amplifiers, known for their high precision and reliability. The KU/1K designation indicates a specific packaging and quantity variant within the broader product line. These devices are designed to replace older discrete solutions, offering improved performance in a compact form factor for sensitive measurement tasks.

Replacement Considerations

INA103KU/1KE4