Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
LM4132AMFX-1.8

LM4132AMFX-1.8

Product Overview

Category

The LM4132AMFX-1.8 belongs to the category of voltage references.

Use

It is primarily used as a precision voltage reference in various electronic circuits.

Characteristics

  • High accuracy and stability
  • Low temperature coefficient
  • Low dropout voltage
  • Wide operating temperature range

Package

The LM4132AMFX-1.8 comes in a small surface-mount SOT-23 package.

Essence

This voltage reference is designed to provide a stable and accurate voltage output for use in analog and digital circuits.

Packaging/Quantity

The LM4132AMFX-1.8 is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

  • Output Voltage: 1.8V
  • Initial Accuracy: ±0.1%
  • Temperature Coefficient: 50ppm/°C
  • Dropout Voltage: 200mV
  • Operating Temperature Range: -40°C to +125°C
  • Supply Voltage Range: 2.5V to 20V
  • Quiescent Current: 120µA

Detailed Pin Configuration

The LM4132AMFX-1.8 has three pins:

  1. VOUT: Output voltage pin.
  2. GND: Ground pin.
  3. VIN: Input voltage pin.

Functional Features

  • High precision and stability ensure accurate voltage reference.
  • Low dropout voltage allows operation with low input voltages.
  • Wide operating temperature range enables usage in extreme environments.
  • Low quiescent current minimizes power consumption.

Advantages

  • Excellent accuracy and stability result in precise voltage references.
  • Low temperature coefficient ensures minimal voltage drift over temperature variations.
  • Small package size makes it suitable for space-constrained applications.
  • Low dropout voltage enables efficient operation with low input voltages.

Disadvantages

  • Limited output voltage options, as it is specifically designed for 1.8V reference.
  • Relatively higher initial cost compared to standard voltage references.

Working Principles

The LM4132AMFX-1.8 utilizes bandgap voltage reference technology to generate a stable and accurate 1.8V output voltage. It employs a combination of temperature-compensated diodes and amplifiers to achieve high precision and stability.

Detailed Application Field Plans

The LM4132AMFX-1.8 finds applications in various fields, including:

  1. Precision analog-to-digital converters (ADCs)
  2. Voltage regulators
  3. Battery-powered devices
  4. Sensor interfaces
  5. Data acquisition systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the LM4132AMFX-1.8 are:

  1. LT6656: Precision voltage reference with multiple output voltage options.
  2. MAX619: Low-power, low-dropout voltage reference.
  3. REF102: High-precision voltage reference with low temperature coefficient.

These alternative models offer similar functionality and characteristics, providing flexibility in choosing the most suitable voltage reference for specific applications.

Word count: 431 words

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LM4132AMFX-1.8 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LM4132AMFX-1.8 in technical solutions:

Q1: What is LM4132AMFX-1.8? A1: LM4132AMFX-1.8 is a specific model of voltage reference IC (integrated circuit) manufactured by Texas Instruments.

Q2: What is the purpose of LM4132AMFX-1.8? A2: The purpose of LM4132AMFX-1.8 is to provide a stable and accurate voltage reference of 1.8 volts for various electronic circuits and systems.

Q3: What are the key features of LM4132AMFX-1.8? A3: Some key features of LM4132AMFX-1.8 include low dropout voltage, low quiescent current, high accuracy, and excellent temperature stability.

Q4: What are the typical applications of LM4132AMFX-1.8? A4: LM4132AMFX-1.8 can be used in a wide range of applications such as precision analog-to-digital converters, data acquisition systems, battery-powered devices, and portable instruments.

Q5: What is the voltage accuracy of LM4132AMFX-1.8? A5: The voltage accuracy of LM4132AMFX-1.8 is typically within ±0.2% over the specified temperature range.

Q6: What is the dropout voltage of LM4132AMFX-1.8? A6: The dropout voltage of LM4132AMFX-1.8 is typically very low, around 200mV at full load.

Q7: What is the operating temperature range of LM4132AMFX-1.8? A7: LM4132AMFX-1.8 can operate within a temperature range of -40°C to +125°C.

Q8: Can LM4132AMFX-1.8 be used in automotive applications? A8: Yes, LM4132AMFX-1.8 is suitable for automotive applications as it meets the AEC-Q100 Grade 1 qualification standards.

Q9: Does LM4132AMFX-1.8 require any external components? A9: LM4132AMFX-1.8 requires only a few external passive components like capacitors for stability and noise filtering.

Q10: Is LM4132AMFX-1.8 available in different package options? A10: Yes, LM4132AMFX-1.8 is available in various package options including SOT-23, SC70, and WSON, providing flexibility for different PCB layouts and space constraints.

Please note that these answers are general and may vary depending on the specific requirements and use cases. It's always recommended to refer to the LM4132AMFX-1.8 datasheet and consult with the manufacturer for detailed information.