LM385BMX-2.5

Overview

The LM385BMX-2.5 is a micropower shunt voltage reference IC manufactured by Texas Instruments, featuring a fixed output of 2.5V with an initial accuracy of ±1.5%. It operates within a commercial temperature range of 0°C to 70°C and utilizes an 8-SOIC surface-mount package. The device supports a maximum cathode current of 20 mA and exhibits a temperature coefficient of 150 ppm/°C.

Feature Summary

• Provides stable micropower voltage reference functionality in a compact surface-mount form factor
• Delivers precise fixed output voltage with tight initial accuracy tolerance for sensitive circuitry
• Operates reliably across standard commercial temperature ranges for general-purpose applications

Applications

• Portable battery-powered instrumentation requiring low quiescent current
• Data acquisition systems needing stable analog reference voltages
• Microcontroller peripheral circuits requiring accurate voltage thresholds

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status as legacy variants may differ from current NOPB equivalents. Ensure packaging specifications match design requirements before finalizing procurement orders.

Selection Notes

Select this component when a fixed 2.5V reference with ±1.5% accuracy is required in an 8-pin SOIC package. Consider the LM385BMX-2.5/NOPB for updated environmental compliance while maintaining identical electrical characteristics and pinout compatibility.

Part Context

This part belongs to the LM385 family of micropower voltage references, designed for applications demanding stability and low power consumption. It serves as a critical reference element in precision analog-to-digital conversion and signal conditioning circuits where consistent voltage levels are essential for system performance.

Replacement Considerations

LM385BMX-2.5/NOPB is the confirmed lead-free replacement offering identical electrical specifications and pinout configuration.