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LMV7239QDBVRQ1
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LMV7239QDBVRQ1

Product Overview

Category

The LMV7239QDBVRQ1 belongs to the category of operational amplifiers (op-amps).

Use

It is commonly used as a general-purpose operational amplifier for various applications in electronics.

Characteristics

  • Low voltage operation
  • Rail-to-rail output swing
  • Low input offset voltage
  • Low quiescent current

Package

The LMV7239QDBVRQ1 comes in a small SOT-23 package, making it suitable for space-constrained applications.

Essence

This operational amplifier is designed to provide high performance while operating at low voltages and consuming minimal power.

Packaging/Quantity

The LMV7239QDBVRQ1 is typically available in reels with a quantity of 3000 units per reel.

Specifications

  • Supply Voltage Range: 2.7V to 5.5V
  • Input Offset Voltage: 1.5mV (maximum)
  • Quiescent Current: 50µA (maximum)
  • Gain Bandwidth Product: 3MHz
  • Slew Rate: 1.6V/µs
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LMV7239QDBVRQ1 has a standard pin configuration with 5 pins: 1. V+ (Positive supply voltage) 2. V- (Negative supply voltage or ground) 3. IN- (Inverting input) 4. IN+ (Non-inverting input) 5. OUT (Output)

Functional Features

  • Rail-to-rail output swing allows the output voltage to reach close to the supply rails.
  • Low input offset voltage ensures accurate signal processing.
  • Low quiescent current makes it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

  • Low voltage operation enables use in battery-powered devices.
  • Rail-to-rail output swing provides maximum output dynamic range.
  • Low input offset voltage ensures precision in signal processing.

Disadvantages

  • Limited bandwidth compared to higher voltage op-amps.
  • Lower slew rate may limit its use in high-speed applications.

Working Principles

The LMV7239QDBVRQ1 operates as a differential amplifier, amplifying the difference between the non-inverting and inverting inputs. It utilizes a class-AB output stage to achieve rail-to-rail output swing.

Detailed Application Field Plans

The LMV7239QDBVRQ1 is well-suited for various applications, including: - Battery-powered portable devices - Sensor signal conditioning - Low-power audio amplification - Signal filtering and conditioning in automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the LMV7239QDBVRQ1 include: - MCP6001 from Microchip Technology - TS912 from STMicroelectronics - MAX9025 from Maxim Integrated

In conclusion, the LMV7239QDBVRQ1 is a versatile operational amplifier designed for low-voltage applications, offering a balance of performance and power efficiency.

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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng LMV7239QDBVRQ1 trong giải pháp kỹ thuật

  1. What is the LMV7239QDBVRQ1?

    • The LMV7239QDBVRQ1 is a low-voltage, low-power comparator with rail-to-rail input and output designed for use in automotive and industrial applications.

  2. What is the supply voltage range of LMV7239QDBVRQ1?

    • The supply voltage range of LMV7239QDBVRQ1 is from 2.7V to 5.5V.

  3. What are the typical applications of LMV7239QDBVRQ1?

    • Typical applications of LMV7239QDBVRQ1 include window comparators, overvoltage/undervoltage detectors, level shifters, and signal conditioning.

  4. What is the input offset voltage of LMV7239QDBVRQ1?

    • The input offset voltage of LMV7239QDBVRQ1 is typically 3mV at room temperature.

  5. What is the input bias current of LMV7239QDBVRQ1?

    • The input bias current of LMV7239QDBVRQ1 is typically 10nA at room temperature.

  6. What is the operating temperature range of LMV7239QDBVRQ1?

    • The operating temperature range of LMV7239QDBVRQ1 is from -40°C to 125°C.

  7. What is the quiescent current consumption of LMV7239QDBVRQ1?

    • The quiescent current consumption of LMV7239QDBVRQ1 is typically 25µA per comparator.

  8. Is LMV7239QDBVRQ1 suitable for automotive applications?

    • Yes, LMV7239QDBVRQ1 is designed to meet the requirements of automotive applications and is AEC-Q100 qualified.

  9. Can LMV7239QDBVRQ1 operate with a single power supply?

    • Yes, LMV7239QDBVRQ1 can operate with a single power supply, making it suitable for battery-powered applications.

  10. Does LMV7239QDBVRQ1 have built-in hysteresis?

    • Yes, LMV7239QDBVRQ1 has built-in hysteresis, which simplifies the design of systems requiring noisy or slowly changing inputs.