LM4040A25IDCKR

$2.72

Description：IC VREF SHUNT 0.1% SC70-5
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:f485d41c0781 Category: Voltage Reference Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：IC VREF SHUNT 0.1% SC70-5
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：15 mA
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：5-TSSOP, SC-70-5, SOT-353
Supplier Device Package：SC-70-5
Grade：-
Qualification：-

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LM4040A25IDCKR

Overview

The LM4040A25IDCKR is a precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 2.5 V with an initial accuracy of ±0.2%. The device operates within a temperature range of -40°C to +85°C and features a temperature coefficient of 100 PPM/°C. It supports a maximum shunt current of 15 mA and requires a minimum cathode current of 75 µA for regulation. The component is housed in a compact SC-70-5 surface-mount package, designed for space-constrained applications requiring stable voltage references.

Feature Summary

Provides a fixed 2.5 V output with high initial accuracy
Operates over an extended industrial temperature range
Designed for low-power applications with micropower consumption

Applications

Portable battery-powered instrumentation
Data acquisition systems
Handheld meters

Procurement Notes

Verify the specific suffix IDCKR corresponds to the SC-70-5 package and standard tape-and-reel or cut-tape availability from authorized distributors. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure ordering quantities match distributor packaging formats such as reels or cut tapes.

Selection Notes

Select this component when a 2.5 V reference is required with ±0.2% accuracy and operation up to 85°C. Compare against higher accuracy variants like the A-grade if tighter tolerances are needed. Consider the SC-70-5 footprint constraints and ensure the 15 mA load capability meets circuit requirements.

Part Context

This part belongs to the LM4040 series of micropower shunt voltage references from Texas Instruments. The series offers various fixed output voltages and accuracy grades. The 'A' designation indicates the accuracy grade, while '25' specifies the 2.5 V output. The 'IDCKR' suffix defines the package type and shipping configuration.