LM385DR-2-5

Description：IC VREF SHUNT 3% 8SOIC
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:27e9527607bf Category: Voltage Reference Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：IC VREF SHUNT 3% 8SOIC
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
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：Surface Mount
Package / Case：8-SOIC (0.154", 3.90mm Width)
Supplier Device Package：8-SOIC
Grade：-
Qualification：-

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LM385DR-2-5

Overview

The LM385DR-2-5 is a micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed nominal output voltage of 2.5V with an initial accuracy tolerance of ±3%. The device operates within a temperature range of 0°C to +70°C and features a standard temperature coefficient of 20ppm/°C. Designed for surface-mount applications, it utilizes an 8-pin SOIC package. The maximum shunt current capability is rated at 20mA, while the minimum cathode current required for regulation is 20µA. This component belongs to the LM385 series.

Feature Summary

Micropower shunt reference topology suitable for low-current applications
Fixed 2.5V output voltage with ±3% initial accuracy
Surface-mount construction in an 8-pin SOIC package

Applications

Portable battery-powered instrumentation
Data acquisition systems
Microprocessor supervisory circuits

Procurement Notes

Verify the specific suffix DR indicates tape-and-reel packaging when sourcing. Confirm RoHS compliance status as manufacturing updates may alter environmental declarations. Ensure the operating temperature range aligns with system requirements, as this variant supports 0°C to +70°C. Cross-reference datasheet revisions to confirm pinout consistency with existing designs.

Selection Notes

Select this component when a stable 2.5V reference is needed in space-constrained surface-mount designs. The 20mA current limit defines the maximum load capacity. Consider the 20ppm/°C temperature coefficient for thermal stability requirements. Compare against adjustable variants if flexible voltage setting is necessary instead of a fixed output.

Part Context

This part belongs to the LM385 family of micropower shunt voltage references from Texas Instruments. The family includes various packages and accuracy grades. The LM385 series is widely used for providing stable reference voltages in analog-to-digital conversion and sensor signal conditioning circuits.