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TDA7561
Näytä Yksityiskohdat DataSheets

TDA7561

Introduction

The TDA7561 is an integrated circuit belonging to the category of audio power amplifiers. It is widely used in automotive audio systems due to its high performance and reliability.

Basic Information Overview

  • Category: Audio Power Amplifier
  • Use: Automotive audio systems
  • Characteristics: High performance, reliability
  • Package: Multiwatt15V
  • Essence: Efficient audio amplification
  • Packaging/Quantity: Varies by manufacturer

Specifications

  • Power Supply Voltage: 8 - 18 V
  • Output Power: 4 x 50 W at 4 Ω
  • Total Output Power: 200 W
  • Operating Temperature: -40°C to 105°C
  • THD: 0.05%
  • Standby Current: < 100 µA

Detailed Pin Configuration

The TDA7561 has a 25-pin configuration, including power supply pins, input pins, output pins, and control pins. The pinout diagram provides detailed information on each pin's function and connection.

Functional Features

  • Quad Bridge Amplifier: Allows for four-channel amplification.
  • High Output Power: Capable of delivering high power output for automotive audio applications.
  • Low Distortion: Ensures high-quality sound reproduction with low total harmonic distortion.

Advantages and Disadvantages

Advantages

  • High power output
  • Low distortion
  • Suitable for automotive use

Disadvantages

  • Limited to automotive audio applications
  • Requires heat dissipation measures due to high power output

Working Principles

The TDA7561 operates as a quad bridge amplifier, utilizing a combination of internal circuitry to amplify audio signals from the input sources and deliver them to the connected speakers with minimal distortion.

Detailed Application Field Plans

The TDA7561 is primarily designed for use in automotive audio systems, including car stereos, amplifiers, and speaker systems. Its high power output and low distortion make it suitable for delivering premium audio experiences in vehicles.

Detailed and Complete Alternative Models

  • TDA7850: Similar quad bridge amplifier with higher output power
  • TDA7379: Four-channel audio amplifier with integrated audio processor

In conclusion, the TDA7561 is a highly efficient and reliable audio power amplifier designed specifically for automotive audio applications. Its high power output, low distortion, and robust design make it an ideal choice for enhancing the audio experience in vehicles.

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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät TDA7561 :n soveltamiseen teknisissä ratkaisuissa

  1. What is the TDA7561?

    • The TDA7561 is a 4 x 50W quad bridge car radio amplifier with inputs for both single-ended and differential configurations.

  2. What is the operating voltage range of the TDA7561?

    • The operating voltage range of the TDA7561 is typically between 8V and 18V.

  3. What are the typical applications of the TDA7561?

    • The TDA7561 is commonly used in car audio systems, specifically as an amplifier for car radio head units and other audio sources.

  4. What is the output power capability of the TDA7561?

    • The TDA7561 can deliver up to 50W per channel into a 4-ohm load with a 14.4V supply.

  5. What are the key features of the TDA7561?

    • Some key features of the TDA7561 include mute and standby functions, short-circuit protection, thermal shutdown, and a wide input voltage range.

  6. How does the TDA7561 handle thermal management?

    • The TDA7561 has built-in thermal shutdown protection to prevent overheating and damage to the device.

  7. Can the TDA7561 be used in a bridged configuration?

    • Yes, the TDA7561 can be used in a bridged configuration to increase the output power.

  8. What are the recommended input and output capacitor values for the TDA7561?

    • The recommended input capacitor value is 2.2μF, and the recommended output capacitor value is 2200μF.

  9. What is the typical total harmonic distortion (THD) of the TDA7561?

    • The typical THD of the TDA7561 is around 0.02% at 1kHz and 10W.

  10. Are there any specific layout considerations when using the TDA7561?

    • It is important to follow the recommended PCB layout guidelines provided in the datasheet to ensure proper performance and reliability of the TDA7561.