LM385BZ-2.5/NOPB

$0.41

Description：LM385-2.5-N MICROPOWER VOLTAGE R
Series：-
Mfr：National Semiconductor
Package：Bulk

SKU:e93a3d0a457d Category: Voltage Reference Brand: National Semiconductor

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Product introduction

Product Detailed Parameters

Description：LM385-2.5-N MICROPOWER VOLTAGE R
Series：-
Mfr：National Semiconductor
Package：Bulk
Output Type：Fixed
Voltage - Output (Min/Fixed)：2.5V
Voltage - Output (Max)：-
Current - Output：20 mA
Operating Temperature：0°C ~ 70°C (TA)
Mounting Type：Through Hole
Package / Case：TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package：TO-92-3
Grade：-
Qualification：-

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LM385BZ-2.5/NOPB

Overview

The LM385BZ-2.5/NOPB is a micropower shunt voltage reference manufactured by Texas Instruments, formerly National Semiconductor. It provides a fixed output of 2.5 V with an initial accuracy of 3% and a temperature coefficient of 150 PPM/C. The device operates within a junction temperature range of 0°C to +70°C. It supports a maximum shunt current of 20 mA and a minimum operating current of 20 µA. The component is housed in a TO-92-3 through-hole package.

Feature Summary

Micropower operation suitable for battery-powered applications
Fixed 2.5 V output voltage reference
Shunt regulation topology

Applications

Battery-powered instrumentation
Portable measurement devices
General-purpose voltage references

Procurement Notes

Verify the manufacturer designation as Texas Instruments, which acquired National Semiconductor. Confirm the suffix /NOPB indicates lead-free and RoHS compliance. Ensure the package matches the required TO-92-3 form factor for your PCB layout. Check datasheet revisions for any updates to electrical characteristics or thermal resistance values.

Selection Notes

Select this component when a low-cost, fixed 2.5 V reference is needed in a through-hole package. Consider the 150 PPM/C temperature coefficient for thermal stability requirements. Verify that the load current stays within the 20 µA to 20 mA operating range to maintain regulation. Compare against higher precision alternatives if tighter tolerance is required.

Part Context

This part belongs to the LM385 family of micropower voltage references. The LM385 series includes adjustable and fixed voltage options. The B grade denotes 3% initial accuracy. The Z suffix indicates the TO-92 package. The NOPB suffix confirms environmental compliance.