LM385Z-2.5

Overview

The LM385Z-2.5 is a two-terminal shunt voltage reference manufactured by onsemi, housed in a TO-92-3 through-hole package. It provides a nominal output voltage of 2.5 V with an initial accuracy of ±3%. The device operates within a shunt current range of 20 µA to 30 mA and features a temperature coefficient of 80 ppm/°C. It functions reliably across a temperature range of 0 °C to +70 °C.

Feature Summary

• Provides stable reference voltage via bandgap regulation
• Operates effectively across a wide dynamic current range
• Designed for low noise and low dynamic impedance performance

Applications

• Portable instrumentation circuits
• Battery-powered power management systems
• Analog signal conditioning stages

Procurement Notes

Verify the specific suffix 'G' against datasheet requirements for lead-free compliance and RoHS status. Confirm package designation matches TO-92-3 (TO-226) physical dimensions. Validate manufacturer origin as onsemi to ensure parameter consistency.

Selection Notes

Select this component when a fixed 2.5 V reference is required in a through-hole topology. Ensure circuit design accommodates the specified 80 ppm/°C temperature drift. Verify that load currents remain within the 20 µA to 30 mA operational window for optimal regulation.

Part Context

This part belongs to the LM385 series of micropower shunt references. These devices utilize bandgap technology to deliver precision voltage standards without premium pricing. The series supports various output voltages and packages for diverse analog applications.

Replacement Considerations

LM385Z-2.5G serves as a verified equivalent variant offering identical electrical characteristics with updated packaging or compliance specifications.