Gambar mungkin merupakan representasi.
Lihat spesifikasi untuk detail produk.
LM385BPW-2-5

LM385BPW-2-5

Product Overview

Category

LM385BPW-2-5 belongs to the category of voltage references.

Use

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

Characteristics

  • LM385BPW-2-5 provides a stable output voltage of 2.5V.
  • It has low temperature coefficient and high initial accuracy.
  • The device operates over a wide temperature range.
  • It exhibits low power consumption and good line regulation.

Package

LM385BPW-2-5 is available in a TO-92 package, which is a small plastic package with three leads.

Essence

The essence of LM385BPW-2-5 lies in its ability to provide a precise and stable voltage reference for accurate circuit operation.

Packaging/Quantity

This product is typically sold in reels or tubes containing a specific quantity of LM385BPW-2-5 units, depending on the manufacturer's packaging specifications.

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: 1.5V to 5.5V
  • Quiescent Current: 120 µA (typical)

Detailed Pin Configuration

LM385BPW-2-5 has three pins: 1. Vout: Output pin, connected to the load or circuit requiring a stable 2.5V reference voltage. 2. GND: Ground pin, connected to the common ground of the circuit. 3. Vin: Input pin, connected to the supply voltage source within the specified range.

Functional Features

  • LM385BPW-2-5 provides a precise and stable reference voltage for accurate circuit operation.
  • It exhibits low temperature coefficient, ensuring minimal voltage drift with temperature variations.
  • The device has a low quiescent current, making it suitable for low-power applications.
  • LM385BPW-2-5 offers good line regulation, maintaining a stable output voltage even with varying input supply voltages.

Advantages and Disadvantages

Advantages

  • High initial accuracy ensures reliable voltage reference.
  • Low temperature coefficient minimizes voltage drift with temperature changes.
  • Wide operating temperature range allows usage in various environments.
  • Low power consumption makes it suitable for battery-powered devices.

Disadvantages

  • Limited output voltage options restrict its applicability to specific voltage requirements.
  • TO-92 package may not be suitable for all circuit designs or space-constrained applications.

Working Principles

LM385BPW-2-5 utilizes bandgap voltage reference technology to generate a precise and stable 2.5V output voltage. It employs internal circuitry to compensate for temperature variations and provide accurate voltage reference over a wide temperature range. The device operates by comparing the bandgap voltage with an internal voltage divider network, resulting in a stable output voltage.

Detailed Application Field Plans

LM385BPW-2-5 finds applications in various electronic circuits where a stable and accurate voltage reference is required. Some common application areas include: - Analog-to-digital converters (ADCs) - Digital-to-analog converters (DACs) - Voltage regulators - Precision measurement instruments - Sensor interfaces - Battery management systems

Detailed and Complete Alternative Models

There are several alternative models available in the market that offer similar functionality to LM385BPW-2-5. Some notable alternatives include: - LM4040: Provides different output voltage options with similar accuracy and temperature characteristics. - LT1004: Offers higher accuracy and lower temperature coefficient compared to LM385BPW-2-5. - REF30xx: Provides a wide range of output voltage options with excellent temperature stability.

These alternative models can be considered based on specific application requirements and desired performance characteristics.

Word count: 511 words

Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan LM385BPW-2-5 dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of LM385BPW-2-5 in technical solutions:

  1. Q: What is LM385BPW-2-5? A: LM385BPW-2-5 is a precision voltage reference IC that provides a stable 2.5V output voltage.

  2. Q: What is the typical application of LM385BPW-2-5? A: LM385BPW-2-5 is commonly used as a reference voltage source 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 LM385BPW-2-5? A: The voltage accuracy of LM385BPW-2-5 is typically ±0.5%.

  4. Q: What is the operating temperature range of LM385BPW-2-5? A: LM385BPW-2-5 can operate within a temperature range of -40°C to +85°C.

  5. Q: How much current does LM385BPW-2-5 consume? A: LM385BPW-2-5 has a low quiescent current consumption of typically 15µA.

  6. Q: Can LM385BPW-2-5 be used in battery-powered applications? A: Yes, LM385BPW-2-5 is suitable for battery-powered applications due to its low power consumption.

  7. Q: Does LM385BPW-2-5 require any external components for operation? A: Yes, LM385BPW-2-5 requires an external capacitor for stability. A 10nF ceramic capacitor is commonly used.

  8. Q: Can LM385BPW-2-5 tolerate high input voltages? A: No, LM385BPW-2-5 has a maximum input voltage rating of 30V. Exceeding this voltage can damage the IC.

  9. Q: Is LM385BPW-2-5 available in different package options? A: Yes, LM385BPW-2-5 is available in a TO-92 package and a SOT-23 package.

  10. Q: Are there any alternative voltage reference ICs to consider? A: Yes, some alternatives to LM385BPW-2-5 include LM4040, LT1004, and REF02. These ICs offer different output voltages and specifications.

Please note that the answers provided here are general and may vary depending on specific datasheet information and application requirements.