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LM385PWE4-2-5

LM385PWE4-2-5

Product Overview

Category

LM385PWE4-2-5 belongs to the category of voltage references.

Use

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

Characteristics

  • LM385PWE4-2-5 provides a stable and accurate output voltage.
  • It has low temperature coefficient and excellent long-term stability.
  • The device operates over a wide temperature range.
  • It is available in a small package, making it suitable for space-constrained applications.

Package

LM385PWE4-2-5 is packaged in a standard 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of LM385PWE4-2-5 lies in its ability to provide a precise and stable voltage reference, ensuring reliable performance in electronic systems.

Packaging/Quantity

LM385PWE4-2-5 is typically sold in reels or tubes containing a specific quantity of units. The exact packaging and quantity may vary depending on the supplier.

Specifications

  • Output Voltage: 2.5V
  • Initial Accuracy: ±0.5%
  • Temperature Coefficient: 20ppm/°C
  • Operating Temperature Range: -40°C to +85°C
  • Supply Voltage Range: 1.9V to 5.5V
  • Quiescent Current: 120µA

Detailed Pin Configuration

LM385PWE4-2-5 features an 8-pin SOIC package with the following pin configuration:

  1. VOUT: Output Voltage
  2. GND: Ground
  3. NC: No Connection
  4. NC: No Connection
  5. NC: No Connection
  6. NC: No Connection
  7. VDD: Supply Voltage
  8. TRIM: Trimming Pin

Functional Features

  • LM385PWE4-2-5 provides a stable and accurate 2.5V output voltage reference.
  • It has low power consumption, making it suitable for battery-powered applications.
  • The device exhibits excellent line and load regulation characteristics.
  • LM385PWE4-2-5 offers low output impedance, ensuring minimal voltage drop even under varying load conditions.

Advantages and Disadvantages

Advantages

  • Precise and stable output voltage
  • Low temperature coefficient
  • Wide operating temperature range
  • Small package size
  • Low power consumption

Disadvantages

  • Limited output voltage options (fixed at 2.5V)
  • Not suitable for high-current applications

Working Principles

LM385PWE4-2-5 utilizes bandgap voltage reference technology to generate a precise and stable output voltage. It employs a combination of active and passive components to achieve temperature stability and accuracy.

Detailed Application Field Plans

LM385PWE4-2-5 finds applications in various electronic systems where a reliable and accurate voltage reference is required. Some common application areas include:

  1. Analog-to-Digital Converters (ADCs)
  2. Digital-to-Analog Converters (DACs)
  3. Voltage regulators
  4. Precision measurement equipment
  5. Sensor calibration circuits
  6. Battery management systems

Detailed and Complete Alternative Models

There are several alternative models available in the market that offer similar functionality to LM385PWE4-2-5. Some notable alternatives include:

  1. LM4040: A series of precision voltage references with different output voltage options.
  2. LT6654: Ultra-precision voltage reference with extremely low drift and noise.
  3. REF50xx: High-precision voltage references with low temperature coefficient and excellent long-term stability.

These alternative models provide designers with flexibility in choosing the most suitable voltage reference for their specific application requirements.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق LM385PWE4-2-5 في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of LM385PWE4-2-5 in technical solutions:

  1. Q: What is LM385PWE4-2-5? A: LM385PWE4-2-5 is a precision voltage reference IC that provides a stable and accurate output voltage of 2.5V.

  2. Q: What are the typical applications of LM385PWE4-2-5? A: LM385PWE4-2-5 is commonly used as a voltage reference in various electronic circuits, such as analog-to-digital converters (ADCs), digital-to-analog converters (DACs), power supplies, and sensor interfaces.

  3. Q: What is the voltage accuracy of LM385PWE4-2-5? A: The voltage accuracy of LM385PWE4-2-5 is typically ±0.2%.

  4. Q: What is the temperature coefficient of LM385PWE4-2-5? A: The temperature coefficient of LM385PWE4-2-5 is typically 100 ppm/°C.

  5. Q: What is the maximum operating current of LM385PWE4-2-5? A: The maximum operating current of LM385PWE4-2-5 is typically 20 mA.

  6. Q: Can LM385PWE4-2-5 be used in battery-powered applications? A: Yes, LM385PWE4-2-5 can be used in battery-powered applications as it has low power consumption and operates over a wide voltage range.

  7. Q: How does LM385PWE4-2-5 handle load regulation? A: LM385PWE4-2-5 has excellent load regulation characteristics, ensuring a stable output voltage even with varying loads.

  8. Q: Can LM385PWE4-2-5 operate in harsh environments? A: Yes, LM385PWE4-2-5 is designed to operate in a wide temperature range (-40°C to +85°C) and can withstand harsh environmental conditions.

  9. Q: What is the output current capability of LM385PWE4-2-5? A: The output current capability of LM385PWE4-2-5 is typically 20 mA.

  10. Q: Is LM385PWE4-2-5 available in different package options? A: Yes, LM385PWE4-2-5 is available in various package options, including the SOIC-8 and PDIP-8 packages, making it suitable for different PCB layouts and assembly processes.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications of LM385PWE4-2-5.