Texas Instruments
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
LM4040C50IDBZT
Ver Detalle Hojas de datos

LM4040C50IDBZT

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Precision voltage reference - Low dropout voltage - High accuracy and stability - Wide operating temperature range - Small package size

Package: SOT-23-3

Essence: The LM4040C50IDBZT is a precision voltage reference IC used to provide a stable and accurate voltage reference in various electronic circuits.

Packaging/Quantity: The LM4040C50IDBZT is available in tape and reel packaging with 3000 units per reel.

Specifications

  • Output Voltage: 5.0V
  • Initial Accuracy: ±0.1%
  • Temperature Coefficient: ±50 ppm/°C
  • Dropout Voltage: 60mV (typical)
  • Operating Temperature Range: -40°C to +85°C
  • Supply Voltage Range: 2.7V to 10V
  • Quiescent Current: 60µA (typical)

Detailed Pin Configuration

The LM4040C50IDBZT has three pins:

  1. VOUT: Output pin, provides the stable 5.0V reference voltage.
  2. GND: Ground pin, connected to the ground of the circuit.
  3. VIN: Input pin, receives the supply voltage for the reference IC.

Functional Features

  • High precision and stability: The LM4040C50IDBZT provides a highly accurate and stable 5.0V reference voltage, making it suitable for applications requiring precise voltage references.
  • Low dropout voltage: With a low dropout voltage of only 60mV, the LM4040C50IDBZT can operate efficiently even when the input voltage is close to the output voltage.
  • Wide operating temperature range: The IC can operate reliably in a temperature range of -40°C to +85°C, making it suitable for various environmental conditions.
  • Small package size: The SOT-23-3 package is compact and space-saving, allowing for easy integration into small electronic devices.

Advantages

  • High accuracy and stability ensure precise voltage references in electronic circuits.
  • Low dropout voltage minimizes power dissipation and improves efficiency.
  • Wide operating temperature range enables reliable performance in different environments.
  • Small package size facilitates integration into space-constrained designs.

Disadvantages

  • Limited output voltage options (only 5.0V).
  • Requires an external bypass capacitor for optimal performance.

Working Principles

The LM4040C50IDBZT utilizes bandgap reference technology to generate a stable and accurate voltage reference. It employs a precision resistor network and temperature compensation circuitry to achieve high accuracy and stability over a wide temperature range. The IC operates by comparing the reference voltage with the input voltage and adjusting the internal circuitry to maintain a constant output voltage.

Detailed Application Field Plans

The LM4040C50IDBZT is commonly used in various applications, including:

  1. Precision analog-to-digital converters (ADCs)
  2. Digital-to-analog converters (DACs)
  3. Voltage regulators
  4. Battery-powered devices
  5. Test and measurement equipment
  6. Industrial control systems

Detailed and Complete Alternative Models

  1. LM4040AIM3-5.0/NOPB: Similar specifications and package as LM4040C50IDBZT, but available in SOT-23-3 package.
  2. LT1461ACS8-5#PBF: Precision voltage reference with 5.0V output, available in SOIC-8 package.
  3. MAX6126AASA50+: Ultra-low noise voltage reference with 5.0V output, available in SOIC-8 package.

These alternative models offer similar functionality and can be considered as substitutes for the LM4040C50IDBZT in various applications.

Word count: 452 words

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LM4040C50IDBZT en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of LM4040C50IDBZT in technical solutions:

  1. Q: What is LM4040C50IDBZT? A: LM4040C50IDBZT is a precision voltage reference IC that provides a stable and accurate voltage output of 5.0V.

  2. Q: What is the typical application of LM4040C50IDBZT? A: LM4040C50IDBZT is commonly used as a voltage reference in various electronic circuits, such as analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and voltage regulators.

  3. Q: What is the voltage accuracy of LM4040C50IDBZT? A: The voltage accuracy of LM4040C50IDBZT is typically ±0.1% at room temperature.

  4. Q: What is the operating temperature range of LM4040C50IDBZT? A: LM4040C50IDBZT can operate within a temperature range of -40°C to +85°C.

  5. Q: Can LM4040C50IDBZT be used in battery-powered applications? A: Yes, LM4040C50IDBZT is suitable for battery-powered applications as it has low quiescent current consumption.

  6. Q: Does LM4040C50IDBZT require any external components? A: No, LM4040C50IDBZT does not require any external components. It is a complete voltage reference solution in a small SOT-23 package.

  7. Q: Can LM4040C50IDBZT handle high current loads? A: No, LM4040C50IDBZT is designed for low current applications. It has a maximum output current of 15mA.

  8. Q: Is LM4040C50IDBZT stable over time and temperature? A: Yes, LM4040C50IDBZT has excellent long-term stability and low temperature coefficient, ensuring reliable performance over a wide range of conditions.

  9. Q: Can multiple LM4040C50IDBZT be used in parallel to increase the output current? A: No, it is not recommended to use multiple LM4040C50IDBZT in parallel to increase the output current. Instead, a higher current voltage reference should be chosen.

  10. Q: Are there any precautions to consider when using LM4040C50IDBZT? A: Some precautions include avoiding excessive heat dissipation, ensuring proper decoupling capacitors are used, and following the manufacturer's guidelines for PCB layout and thermal considerations.

Please note that these answers are general and may vary depending on specific application requirements.