INA118UBG4

Overview

The INA118UBG4 is a precision, low-power instrumentation amplifier manufactured by Texas Instruments. It features a single channel with a gain of 80 dB and a common-mode rejection ratio (CMRR) of 107 dB. The input bias current is 5 nA, and the input offset voltage is 50 uV. Operating power consumption is 350 uA. The device supports a supply voltage range from 2.7 V to 36 V. It operates within a temperature range of -40°C to +85°C. The component is housed in an 8-SOIC package.

Feature Summary

• Precision instrumentation amplifier architecture designed for high accuracy signal conditioning
• Low power operation suitable for battery-powered applications
• High common-mode rejection capability for noise reduction
• Wide single-supply voltage compatibility

Applications

• Precision sensor signal conditioning
• Medical instrumentation front-ends
• Industrial process control systems
• Data acquisition systems

Procurement Notes

Verify the specific suffix 'G4' indicates RoHS compliance status as per manufacturer documentation. Confirm the package type matches the design requirements. Ensure the operating temperature range aligns with the application environment. Check for any specific handling instructions related to moisture sensitivity level. Validate that the pinout corresponds to the intended PCB layout.

Selection Notes

Select this component when high precision and low power consumption are critical. The wide supply voltage range offers flexibility in system design. Consider the 8-SOIC package for surface-mount assembly needs. Evaluate the CMRR performance against the noise environment of the target application. Compare input bias current requirements with other available options if ultra-low leakage is necessary.

Part Context

The INA118 series represents a family of precision instrumentation amplifiers known for their low power characteristics. The UB variant typically denotes a specific gain setting or grade within the product line. This component is part of Texas Instruments' broader portfolio of analog signal chain solutions. It serves as a key building block for accurate measurement systems requiring minimal power draw.

Replacement Considerations

INA118U/2K5G4

FAQ

What is the maximum supply voltage for the INA118UBG4?

The maximum supply voltage is 36 V.

Does the INA118UBG4 support single-supply operation?

Yes, it supports a minimum supply voltage of 2.7 V, enabling single-supply use.