LM4040D30IDBZT

$0.97

Description：IC VREF SHUNT 1% SOT23-3
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:09a34aeaa3c8 Category: Voltage Reference Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：IC VREF SHUNT 1% SOT23-3
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Output Type：Fixed
Voltage - Output (Min/Fixed)：3V
Voltage - Output (Max)：-
Current - Output：15 mA
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：TO-236-3, SC-59, SOT-23-3
Supplier Device Package：SOT-23-3
Grade：-
Qualification：-

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LM4040D30IDBZT

Overview

The LM4040D30IDBZT is a precision shunt voltage reference IC manufactured by Texas Instruments. It provides a fixed output voltage of 3V with an initial accuracy of 1%. Packaged in a surface-mount SOT-23-3 format, it operates within a temperature range of -40°C to +85°C. The device features a maximum cathode current of 15mA and a minimum operating current of 65µA. Its temperature coefficient is specified at 150 ppm/°C, ensuring stable performance across the industrial temperature range.

Feature Summary

Provides a fixed 3V reference output for circuit stability
Operates as a low-power shunt regulator with minimal quiescent current
Designed for surface-mount integration in compact PCB layouts

Applications

Precision analog-to-digital converter (ADC) reference sources
Portable battery-powered instrumentation requiring low power consumption
Temperature sensing circuits utilizing stable voltage references

Procurement Notes

Verify the specific suffix 'D' indicates the 1% accuracy grade and 'DBZT' denotes the SOT-23 tape-and-reel packaging configuration. Confirm that the component meets the required thermal and electrical specifications for the target application environment before finalizing procurement orders.

Selection Notes

Select this component when a fixed 3V reference with 1% tolerance is required in a small surface-mount package. Ensure the design accommodates the 15mA maximum current capability and the 65µA minimum operating current to maintain regulation stability under varying load conditions.

Part Context

This part belongs to the LM4040 series of micropower shunt voltage references from Texas Instruments. The series offers various fixed voltage options and accuracy grades, allowing designers to choose components based on specific precision and power requirements for portable and industrial applications.