LM4040C20IDBZR - Texas Instruments

Manufacturer Part Number

LM4040C20IDBZR

Manufacturer

Texas Instruments

Introduction

The LM4040C20IDBZR is a precision fixed voltage reference part of the Power Management ICs.

Product Features and Performance

Precision voltage reference

Fixed output of 2.048V

Maximum output current of 15 mA

Shunt reference type

Temperature coefficient specified at 100ppm/°C

Low noise performance with 35µVrms from 10Hz to 10kHz

Product Advantages

High accuracy with ±0.5% tolerance

Stable over temperature ranges

Suitable for battery-powered devices due to low current requirements

Key Technical Parameters

Output Voltage: 2.048V (fixed)

Output Current: 15 mA

Tolerance: ±0.5%

Temperature Coefficient: 100ppm/°C

Operating Temperature: -40°C to 85°C

Mounting Type: Surface Mount

Noise - 10Hz to 10kHz: 35µVrms

Cathode Current: 80 µA

Quality and Safety Features

Robust operating temperature range ensures reliability under varying conditions

Compatibility

Compatible with multiple circuits requiring a fixed 2.048V reference

Suitable for a wide variety of surface mount installations with its SOT-23-3 package

Application Areas

Power regulation systems

Data acquisition systems

Portable instruments

ADCs/DACs reference voltage

Industrial control systems

Product Lifecycle

Active status, not reported as nearing discontinuation

Replacement and upgrade options available for different voltage requirements

Several Key Reasons to Choose This Product

High reliability and precision suitable for critical applications

Ease of use with a fixed voltage output, simplifying design

Long-term performance stability across temperature variations

Low-noise specification advantageous for sensitive electronics

Surface mount package compatible with modern PCB technology

Backed by Texas Instruments' reputation for quality power management solutions