LM4040BIM3-2.1

Overview

The LM4040BIM3-2.1 is a micropower shunt voltage reference manufactured by Analog Devices Inc./Maxim Integrated, housed in an SOT-23-3 surface-mount package. It provides a fixed output voltage of 2.1V with an initial accuracy of ±0.2%. The device features a temperature coefficient of 50 ppm/°C and supports a maximum shunt current of 15 mA. It operates within a temperature range of -40°C to +85°C.

Feature Summary

• Provides stable precision voltage reference via shunt topology
• Designed for low power consumption applications
• Offers high initial accuracy for signal conditioning

Applications

• Portable instrumentation circuits
• Battery-powered measurement systems
• Data acquisition input stages

Procurement Notes

Verify the specific suffix 'B' indicates the ±0.2% accuracy grade and 'M3' denotes the SOT-23-3 package. Confirm the manufacturer designation as Analog Devices or Maxim Integrated depending on the supply chain source. Ensure the part number matches the exact 2.1V output requirement before procurement.

Selection Notes

Select this component when a compact SOT-23-3 footprint is required alongside tight tolerance specifications. The 15 mA maximum shunt current capability allows for efficient biasing in space-constrained designs. Verify that the operating environment remains within the specified -40°C to +85°C range for optimal performance.

Part Context

This component belongs to the LM4040 series of improved precision micropower shunt voltage references. The series offers various fixed output voltages and accuracy grades, catering to diverse analog circuit requirements. The LM4040B variant specifically targets applications demanding tighter initial accuracy compared to standard versions.

FAQ

What is the package type for the LM4040BIM3-2.1?

The LM4040BIM3-2.1 is available in an SOT-23-3 surface-mount package.

Does the LM4040BIM3-2.1 support operation at temperatures above 85°C?

No, the maximum operating temperature for this specific part is +85°C.