Imej mungkin representasi.
Lihat spesifikasi untuk butiran produk.
LM385PW-2-5

LM385PW-2-5

Product Overview

Category

LM385PW-2-5 belongs to the category of voltage references.

Use

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

Characteristics

  • LM385PW-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, making it suitable for various applications.

Package

LM385PW-2-5 is available in a TO-92 package.

Essence

The essence of LM385PW-2-5 lies in its ability to provide a precise and reliable voltage reference for electronic systems.

Packaging/Quantity

The product is typically sold in reels or tubes containing a specific quantity of LM385PW-2-5 devices.

Specifications

LM385PW-2-5 has the following specifications:

  • Output Voltage: 2.5V
  • Initial Accuracy: ±0.5%
  • Temperature Coefficient: 100 ppm/°C
  • Operating Temperature Range: -40°C to +85°C
  • Supply Voltage Range: 1.9V to 5.5V
  • Quiescent Current: 120 µA (typical)

Detailed Pin Configuration

LM385PW-2-5 has three pins:

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

Functional Features

LM385PW-2-5 offers the following functional features:

  • Precise voltage reference for analog-to-digital converters (ADCs) and digital-to-analog converters (DACs).
  • Stable voltage source for voltage regulators and power management circuits.
  • Reference voltage for battery charging circuits and sensor interfaces.
  • Low quiescent current consumption for power-sensitive applications.

Advantages and Disadvantages

Advantages

  • High accuracy and stability.
  • Wide operating temperature range.
  • Low power consumption.
  • Compact package size.

Disadvantages

  • Limited output voltage options.
  • Not suitable for high-current applications.

Working Principles

LM385PW-2-5 utilizes a bandgap voltage reference circuit to generate a stable output voltage. It compensates for temperature variations by using a combination of bipolar and CMOS technologies, resulting in low temperature coefficient and excellent long-term stability.

Detailed Application Field Plans

LM385PW-2-5 finds application in various fields, including:

  1. Precision measurement instruments.
  2. Industrial control systems.
  3. Automotive electronics.
  4. Battery-powered devices.
  5. Sensor interfaces.
  6. Audio equipment.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LM385PW-2-5 are:

  1. LM4040: A precision shunt voltage reference with adjustable output voltage.
  2. LT1021: A high-precision voltage reference with low noise and excellent line regulation.
  3. REF5025: A low-drift, low-noise voltage reference with wide operating temperature range.

These alternative models offer similar functionality and can be used as substitutes based on specific requirements.

Word count: 346 words

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi LM385PW-2-5 dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of LM385PW-2-5 in technical solutions:

  1. Question: What is LM385PW-2-5?
    Answer: LM385PW-2-5 is a voltage reference IC that provides a stable 2.5V output voltage.

  2. Question: What is the typical application of LM385PW-2-5?
    Answer: LM385PW-2-5 is commonly used as a precision voltage reference in various electronic circuits.

  3. Question: What is the voltage accuracy of LM385PW-2-5?
    Answer: The voltage accuracy of LM385PW-2-5 is typically ±0.5%.

  4. Question: What is the operating temperature range of LM385PW-2-5?
    Answer: LM385PW-2-5 can operate within a temperature range of -40°C to +85°C.

  5. Question: Can LM385PW-2-5 be used in battery-powered applications?
    Answer: Yes, LM385PW-2-5 is suitable for battery-powered applications due to its low power consumption.

  6. Question: How much current can LM385PW-2-5 source or sink?
    Answer: LM385PW-2-5 can source or sink up to 20mA of current.

  7. Question: Is LM385PW-2-5 available in different package types?
    Answer: Yes, LM385PW-2-5 is available in a TO-92 package and other surface-mount packages.

  8. Question: Can LM385PW-2-5 be used as a voltage regulator?
    Answer: No, LM385PW-2-5 is not designed to be used as a voltage regulator. It is primarily used as a voltage reference.

  9. Question: What is the output impedance of LM385PW-2-5?
    Answer: The output impedance of LM385PW-2-5 is typically very low, making it suitable for driving loads with high accuracy.

  10. Question: Can LM385PW-2-5 be used in precision measurement applications?
    Answer: Yes, LM385PW-2-5 is commonly used in precision measurement applications where a stable and accurate voltage reference is required.

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