INA2141UG4

Overview

The INA2141UG4 is a dual low-power instrumentation amplifier manufactured by Texas Instruments. It features a 200 kHz bandwidth and a 4 V/us slew rate. The device offers a common-mode rejection ratio of 117 dB, an input bias current of 5 nA, and an input offset voltage of 50 uV. Operating on a supply voltage range of 4.5 V to 36 V, it consumes 750 uA of quiescent current. Available in a 16-pin SOIC package, it supports gains of 10 V/V and 100 V/V with a gain error of 0.002%.

Feature Summary

• Dual-channel architecture providing two independent precision amplification paths within a single integrated circuit.
• Low power consumption design optimized for battery-operated applications through reduced quiescent current draw.
• High common-mode rejection capability ensuring accurate signal processing in noisy environments.

Applications

• Industrial process control systems requiring precise differential signal measurement
• Medical equipment utilizing low-noise sensor signal conditioning
• Data acquisition systems needing high-accuracy analog front-end amplification

Procurement Notes

Verify the specific suffix 'G4' indicates lead-free packaging compliance when sourcing. Confirm the package type matches the required PCB footprint. Ensure the operating temperature range aligns with the intended environmental conditions. Check for moisture sensitivity levels if reflow soldering is planned. Validate that the gain configuration meets the system requirements before finalizing the order.

Selection Notes

Select this component for applications demanding high common-mode rejection and low power consumption. Consider the 200 kHz bandwidth limit for signal frequency requirements. Evaluate the 16-pin SOIC package size against available board space. Compare input offset voltage specifications against other precision amplifier options. Assess the supply voltage range compatibility with existing power rails.

Part Context

This part belongs to the INA2141 series of instrumentation amplifiers from Texas Instruments. It shares architectural similarities with other devices in the family but differs in specific electrical parameters and packaging options. The series is designed for general-purpose precision amplification tasks across various industrial and commercial sectors.

Replacement Considerations

INA2141UAE4: Dual, Low Power, G = 10, 100 Instrumentation Amplifier 16-SOIC

FAQ

What is the maximum supply voltage for the INA2141UG4?

The maximum supply voltage is 36 V.

Does the INA2141UG4 support rail-to-rail output?

No, the datasheet does not specify rail-to-rail output capability.