TS4040EILT-2.5

Overview

The TS4040EILT-2.5 is a micropower shunt voltage reference manufactured by STMicroelectronics, providing a stable 2.5V output. It operates within an industrial temperature range of -40°C to +85°C and features a maximum temperature coefficient of 150ppm/°C. The device offers high precision with initial accuracy options of ±2% and ±1%. It consumes ultra-low current, typically 40µA, making it suitable for power-restricted designs. Packaged in a compact SOT23-3 surface mount format, it maintains stability under capacitive loads.

Feature Summary

• Provides a fixed 2.5V output voltage with high precision across the industrial temperature range
• Features ultra-low operating current consumption for efficient power management
• Ensures high stability when utilized with capacitive loads
• Available in a space-saving SOT23-3 surface mount package

Applications

• Battery-powered systems requiring low quiescent current
• Portable electronic devices with strict space constraints
• Industrial instrumentation needing stable voltage references
• Power-supply monitoring circuits

Procurement Notes

Verify the specific accuracy grade required, as the TS4040 series includes both ±2% and ±1% variants. Confirm that the SOT23-3 package aligns with your PCB footprint requirements. Ensure the industrial temperature range of -40°C to +85°C meets your operational environment specifications. Check RoHS compliance status if environmental regulations apply to your manufacturing process.

Selection Notes

Select this component when a low-cost, micropower shunt reference is needed for 2.5V applications. It is ideal for designs where board space is limited due to its small SOT23-3 package. Consider the ±1% or ±2% tolerance based on your circuit's precision requirements. Ensure the load conditions remain within the specified limits to maintain stability and performance.

Part Context

The TS4040 series belongs to STMicroelectronics' portfolio of precision voltage references. It is designed to offer a balance between low power consumption and high accuracy. The EILT suffix indicates specific packaging and grading details consistent with the manufacturer's standard nomenclature for this active component line.

Replacement Considerations

LM4040A25IDBZR from Texas Instruments is listed as a similar alternative. LM4040C25QDBZR and LM4431M3X-2.5/NOPB are also noted as comparable options. Verify pinout compatibility and electrical specifications before substitution.