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TDA7564BH
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TDA7564BH

Product Overview

Category

TDA7564BH belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in audio amplifier applications.

Characteristics

  • High output power capability
  • Low distortion
  • Low output noise
  • Standby function for energy saving
  • Short-circuit protection
  • Thermal overload protection

Package

The TDA7564BH is available in a multiwatt15 package, which is a 15-lead power package.

Essence

The essence of TDA7564BH lies in its ability to provide high-quality audio amplification with low distortion and noise.

Packaging/Quantity

The TDA7564BH is typically packaged in reels or tubes, with a quantity of 50 units per reel/tube.

Specifications

  • Supply voltage: 8V to 18V
  • Output power: 4 x 45W (max)
  • Total harmonic distortion: <0.5%
  • Signal-to-noise ratio: >90dB
  • Operating temperature range: -40°C to +105°C

Detailed Pin Configuration

  1. OUT1: Audio output channel 1
  2. GND: Ground connection
  3. OUT2: Audio output channel 2
  4. VCC: Positive supply voltage
  5. OUT3: Audio output channel 3
  6. BYPASS: Bypass pin for standby mode
  7. OUT4: Audio output channel 4
  8. MUTE: Mute control input
  9. IN1: Audio input channel 1
  10. IN2: Audio input channel 2
  11. IN3: Audio input channel 3
  12. IN4: Audio input channel 4
  13. ST-BY: Standby control input
  14. DIAG: Diagnostic output
  15. VS: Negative supply voltage

Functional Features

  1. High output power capability allows for loud and clear audio reproduction.
  2. Low distortion ensures accurate sound reproduction.
  3. Low output noise provides a clean audio signal.
  4. Standby function helps conserve energy when the amplifier is not in use.
  5. Short-circuit protection prevents damage to the IC and connected components.
  6. Thermal overload protection safeguards against overheating.

Advantages and Disadvantages

Advantages

  • High output power capability
  • Low distortion and noise
  • Energy-saving standby function
  • Built-in protection mechanisms

Disadvantages

  • Limited operating temperature range (-40°C to +105°C)
  • Requires external components for complete audio amplifier circuit

Working Principles

The TDA7564BH operates as a class AB audio amplifier. It amplifies low-level audio signals received from the input channels and delivers high-power output signals to the corresponding output channels. The IC incorporates various protection features to ensure reliable operation and prevent damage to the amplifier and connected speakers.

Detailed Application Field Plans

The TDA7564BH is commonly used in automotive audio systems, where it can drive multiple speakers to produce high-quality sound. It finds applications in car stereos, amplifiers, and other audio devices used in vehicles.

Detailed and Complete Alternative Models

  1. TDA7850: Similar audio amplifier IC with higher output power capability.
  2. TDA7377: Compact audio amplifier IC suitable for low-power applications.
  3. TDA7498: High-performance audio amplifier IC with advanced features.

These alternative models offer different specifications and features, allowing designers to choose the most suitable option based on their specific requirements.

In conclusion, the TDA7564BH is a versatile audio amplifier IC that provides high-quality sound reproduction with low distortion and noise. Its compact package and built-in protection mechanisms make it an ideal choice for automotive audio applications. Designers can also consider alternative models with varying specifications to meet their specific needs.

10 domande e risposte comuni relative all'applicazione di TDA7564BH nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of TDA7564BH in technical solutions:

  1. Q: What is TDA7564BH? A: TDA7564BH is a high-performance quad bridge amplifier integrated circuit (IC) designed for car audio applications.

  2. Q: What is the maximum power output of TDA7564BH? A: The maximum power output of TDA7564BH is 50 watts per channel, making it suitable for driving speakers in a car audio system.

  3. Q: Can TDA7564BH operate on a single power supply voltage? A: No, TDA7564BH requires a dual power supply voltage ranging from ±8V to ±18V for proper operation.

  4. Q: How many channels does TDA7564BH have? A: TDA7564BH is a quad bridge amplifier, meaning it has four independent channels that can drive up to four speakers.

  5. Q: Is TDA7564BH capable of driving subwoofers? A: Yes, TDA7564BH can be used to drive subwoofers as it provides sufficient power and low-frequency response for bass reproduction.

  6. Q: Does TDA7564BH have built-in protection features? A: Yes, TDA7564BH includes various protection features such as thermal shutdown, overvoltage protection, and short-circuit protection.

  7. Q: Can TDA7564BH be used in other audio applications besides car audio? A: While TDA7564BH is primarily designed for car audio, it can also be used in other audio applications where a quad bridge amplifier is required.

  8. Q: What is the input impedance of TDA7564BH? A: The input impedance of TDA7564BH is typically 20 kilohms, which allows it to be easily driven by common audio sources.

  9. Q: Does TDA7564BH require external components for operation? A: Yes, TDA7564BH requires external components such as capacitors, resistors, and inductors to form a complete amplifier circuit.

  10. Q: Can TDA7564BH be used in a bi-amp configuration? A: Yes, TDA7564BH can be used in a bi-amp configuration where two channels are used for driving the tweeters and the other two channels for driving the woofers.

Please note that these answers are general and may vary depending on specific application requirements and circuit design considerations.