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LM385BPWE4-2-5
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LM385BPWE4-2-5

Product Overview

Category

LM385BPWE4-2-5 belongs to the category of voltage references.

Use

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

Characteristics

  • LM385BPWE4-2-5 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

LM385BPWE4-2-5 is typically available in a TO-236 (SOT-23) package.

Essence

The essence of LM385BPWE4-2-5 lies in its ability to provide a precise and reliable voltage reference for electronic systems.

Packaging/Quantity

LM385BPWE4-2-5 is usually packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

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

LM385BPWE4-2-5 has three pins:

  1. Vout: Output pin, which provides a stable 2.5V reference voltage.
  2. GND: Ground pin, connected to the system ground.
  3. Vin: Input pin, connected to the supply voltage.

Functional Features

  • LM385BPWE4-2-5 offers a precise and stable output voltage, ensuring accurate operation of the connected circuitry.
  • It exhibits low temperature coefficient, minimizing the impact of temperature variations on the output voltage.
  • The device operates over a wide temperature range, making it suitable for various environmental conditions.
  • LM385BPWE4-2-5 has low quiescent current, reducing power consumption in battery-powered applications.

Advantages and Disadvantages

Advantages

  • High accuracy and stability
  • Wide operating temperature range
  • Low quiescent current
  • Small package size

Disadvantages

  • Limited output voltage options (only 2.5V in this case)
  • Not suitable for high-current applications

Working Principles

LM385BPWE4-2-5 utilizes bandgap reference technology to generate a stable voltage reference. It employs a combination of bipolar and CMOS technologies to achieve high accuracy and low temperature coefficient.

Detailed Application Field Plans

LM385BPWE4-2-5 finds applications in various electronic systems, including but not limited to: - Precision analog circuits - Data acquisition systems - Battery-powered devices - Industrial control systems - Test and measurement equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LM385BPWE4-2-5 are: - LM4040 - LT6654 - REF30xx - MAX6126

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

In conclusion, LM385BPWE4-2-5 is a precision voltage reference widely used in electronic circuits. Its accurate and stable output voltage, along with its small package size, make it an ideal choice for various applications. However, its limited output voltage options and unsuitability for high-current applications should be taken into consideration.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LM385BPWE4-2-5 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of LM385BPWE4-2-5 in technical solutions:

  1. Question: What is LM385BPWE4-2-5?
    Answer: LM385BPWE4-2-5 is a precision voltage reference IC that provides a stable 2.5V output voltage.

  2. Question: What is the typical application of LM385BPWE4-2-5?
    Answer: LM385BPWE4-2-5 is commonly used as a voltage reference in various electronic circuits, such as analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and voltage regulators.

  3. Question: What is the voltage accuracy of LM385BPWE4-2-5?
    Answer: The voltage accuracy of LM385BPWE4-2-5 is typically ±0.5%.

  4. Question: What is the operating temperature range of LM385BPWE4-2-5?
    Answer: LM385BPWE4-2-5 can operate within a temperature range of -40°C to +85°C.

  5. Question: Can LM385BPWE4-2-5 be used in battery-powered applications?
    Answer: Yes, LM385BPWE4-2-5 is suitable for battery-powered applications due to its low power consumption.

  6. Question: How much current can LM385BPWE4-2-5 source or sink?
    Answer: LM385BPWE4-2-5 can source or sink up to 20mA of current.

  7. Question: Does LM385BPWE4-2-5 require any external components?
    Answer: Yes, LM385BPWE4-2-5 requires an external bypass capacitor for stability. A 0.1µF ceramic capacitor is commonly used.

  8. Question: Can LM385BPWE4-2-5 tolerate reverse polarity?
    Answer: No, LM385BPWE4-2-5 is not designed to tolerate reverse polarity. Reverse voltage can damage the IC.

  9. Question: Is LM385BPWE4-2-5 available in different package options?
    Answer: Yes, LM385BPWE4-2-5 is available in a SOT-23 package, which is small and suitable for space-constrained applications.

  10. Question: Are there any alternative voltage reference ICs similar to LM385BPWE4-2-5?
    Answer: Yes, some alternative voltage reference ICs include LM4040, LT1004, and REF02. These ICs have different output voltages and specifications, so choose the one that best suits your application.

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