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SPV1840LR5H-B
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SPV1840LR5H-B

Introduction

The SPV1840LR5H-B is a sound pressure level sensor belonging to the category of electronic components. This sensor is designed to measure sound pressure levels and convert them into electrical signals for various applications.

Basic Information Overview

  • Category: Sound Pressure Level Sensor
  • Use: Measurement and conversion of sound pressure levels
  • Characteristics: High sensitivity, small size, low power consumption
  • Package: Surface-mount package
  • Essence: Converts sound pressure into electrical signals
  • Packaging/Quantity: Typically available in reels of 3000 units

Specifications

  • Sensitivity: -38 dBV
  • Frequency Range: 100 Hz to 10 kHz
  • Operating Voltage: 1.5 V to 3.6 V
  • Current Consumption: 240 µA
  • Output Impedance: 2.2 kΩ

Detailed Pin Configuration

The SPV1840LR5H-B has a total of four pins: 1. VDD (Power supply) 2. GND (Ground) 3. OUT (Analog output) 4. NC (No connection)

Functional Features

  • High sensitivity allows for accurate sound pressure level measurement
  • Low power consumption makes it suitable for battery-powered devices
  • Small size enables integration into compact electronic designs

Advantages and Disadvantages

Advantages

  • Accurate sound pressure level measurement
  • Low power consumption
  • Small form factor

Disadvantages

  • Limited frequency range compared to some other sensors
  • Requires external amplification for certain applications

Working Principles

The SPV1840LR5H-B operates based on the principle of converting mechanical sound pressure waves into electrical signals. When exposed to sound, the sensor's diaphragm vibrates, causing a change in capacitance which is then converted into an analog electrical signal.

Detailed Application Field Plans

The SPV1840LR5H-B is commonly used in the following applications: - Noise level monitoring systems - Smart home devices with voice recognition - Industrial equipment for sound analysis

Detailed and Complete Alternative Models

Some alternative models to the SPV1840LR5H-B include: - SPW2430HR5H-B: Higher sensitivity variant - SPV1050LR5H-B: Lower power consumption variant - SPV1860LR5H-B: Extended frequency range variant

In conclusion, the SPV1840LR5H-B is a versatile sound pressure level sensor with high sensitivity and low power consumption, making it suitable for various applications requiring accurate sound measurement.

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Énumérez 10 questions et réponses courantes liées à l'application de SPV1840LR5H-B dans les solutions techniques

  1. What is the SPV1840LR5H-B?

    • The SPV1840LR5H-B is a digital silicon microphone with a built-in preamplifier, suitable for various applications requiring high-quality audio capture.

  2. What are the key features of the SPV1840LR5H-B?

    • The SPV1840LR5H-B features a small form factor, low power consumption, and a wide frequency response range, making it ideal for compact and energy-efficient designs.

  3. In what technical solutions can the SPV1840LR5H-B be used?

    • The SPV1840LR5H-B can be used in applications such as voice-controlled devices, smart home systems, IoT devices, wearables, and other audio sensing applications.

  4. How does the SPV1840LR5H-B interface with microcontrollers or DSPs?

    • The SPV1840LR5H-B interfaces using standard digital protocols such as I2S or PDM, allowing seamless integration with microcontrollers or DSPs.

  5. What is the typical voltage supply range for the SPV1840LR5H-B?

    • The SPV1840LR5H-B operates within a typical voltage supply range of 1.64V to 3.6V, making it compatible with a wide range of power sources.

  6. Can the SPV1840LR5H-B handle environmental noise and acoustic challenges?

    • Yes, the SPV1840LR5H-B is designed to handle environmental noise and acoustic challenges through its integrated digital signal processing capabilities and sensitivity adjustments.

  7. Are there any application notes or reference designs available for the SPV1840LR5H-B?

    • Yes, application notes and reference designs are available to assist in the implementation of the SPV1840LR5H-B in various technical solutions.

  8. What is the recommended PCB layout for optimal performance of the SPV1840LR5H-B?

    • The recommended PCB layout includes proper grounding, signal routing, and isolation to ensure optimal performance and noise immunity for the SPV1840LR5H-B.

  9. Does the SPV1840LR5H-B require any external components for operation?

    • The SPV1840LR5H-B requires minimal external components, typically including decoupling capacitors and resistors for biasing and filtering.

  10. Where can I find the datasheet and technical specifications for the SPV1840LR5H-B?

    • The datasheet and technical specifications for the SPV1840LR5H-B can be found on the manufacturer's website or through authorized distributors.