STMicroelectronics
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TDA7293HS
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TDA7293HS

Overview

Category

TDA7293HS belongs to the category of integrated circuits (ICs) specifically designed for audio amplification.

Use

This product is commonly used in audio systems, such as home theaters, car audio systems, and professional audio equipment.

Characteristics

  • High power audio amplifier IC
  • Single-channel operation
  • Wide frequency response range
  • Low distortion and noise levels
  • Thermal protection circuitry

Package

TDA7293HS is available in a multiwatt15 package, which is a 15-lead, heat-dissipating package.

Essence

The essence of TDA7293HS lies in its ability to amplify audio signals with high power and low distortion, providing clear and powerful sound reproduction.

Packaging/Quantity

TDA7293HS is typically sold in reels or tubes, containing a quantity of 50 units per reel/tube.

Specifications

  • Supply Voltage: 40V
  • Output Power: 100W
  • Total Harmonic Distortion: 0.1%
  • Operating Temperature Range: -40°C to +150°C
  • Input Impedance: 22kΩ
  • Output Impedance: 0.1Ω

Pin Configuration

The TDA7293HS IC has a total of 15 pins. The pin configuration is as follows:

  1. Mute/Standby
  2. Non-Inverting Input
  3. Inverting Input
  4. Bootstrap Capacitor
  5. Ground
  6. Output
  7. Vcc+
  8. Vcc-
  9. Bypass Capacitor
  10. Feedback Resistor
  11. Feedback Capacitor
  12. Compensation Network
  13. Supply Voltage
  14. Thermal Pad
  15. Mute/Standby

Functional Features

  • High output power capability
  • Short-circuit protection
  • Thermal shutdown protection
  • Mute/standby function
  • Low external component count
  • Wide supply voltage range

Advantages and Disadvantages

Advantages

  • High power output for audio applications
  • Low distortion and noise levels
  • Built-in protection features
  • Compact design with minimal external components required

Disadvantages

  • Limited to single-channel operation
  • Requires proper heat dissipation due to high power output

Working Principles

TDA7293HS operates as a class AB audio amplifier. It amplifies the input audio signal by using a combination of voltage and current amplification stages. The IC incorporates various protection circuits to ensure safe operation and prevent damage from short circuits, thermal overload, and excessive voltage.

Detailed Application Field Plans

TDA7293HS finds extensive application in various audio systems, including: - Home theater systems - Car audio systems - Professional audio equipment - PA (Public Address) systems - Musical instrument amplifiers

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to TDA7293HS are: - TDA7294: Similar specifications and pin configuration, but with higher output power capability. - LM3886: Another popular audio amplifier IC with comparable performance characteristics. - STA540: Dual-channel audio amplifier IC suitable for stereo applications.

These alternative models offer similar functionality and can be chosen based on specific requirements and availability.

In conclusion, TDA7293HS is a high-power audio amplifier IC designed for various audio applications. Its compact design, low distortion, and built-in protection features make it a reliable choice for audio enthusiasts and professionals alike.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של TDA7293HS בפתרונות טכניים

Sure! Here are 10 common questions and answers related to the application of TDA7293HS in technical solutions:

  1. Q: What is the TDA7293HS? A: The TDA7293HS is a high-performance audio amplifier integrated circuit (IC) designed for use in various audio applications.

  2. Q: What is the maximum power output of the TDA7293HS? A: The TDA7293HS can deliver a maximum power output of 100 watts into an 8-ohm load.

  3. Q: Can the TDA7293HS be used as a stereo amplifier? A: Yes, the TDA7293HS can be configured as a stereo amplifier by using two ICs, one for each channel.

  4. Q: What is the recommended power supply voltage for the TDA7293HS? A: The recommended power supply voltage for the TDA7293HS is ±25 volts DC.

  5. Q: Is it possible to bridge two TDA7293HS ICs for higher power output? A: Yes, two TDA7293HS ICs can be bridged to increase the power output. This configuration can deliver up to 200 watts into an 8-ohm load.

  6. Q: Can the TDA7293HS operate with a single power supply? A: No, the TDA7293HS requires a dual power supply configuration (+Vcc and -Vcc) for proper operation.

  7. Q: What is the input impedance of the TDA7293HS? A: The input impedance of the TDA7293HS is typically around 100 kilohms.

  8. Q: Does the TDA7293HS require any external components for operation? A: Yes, the TDA7293HS requires a few external components such as capacitors, resistors, and a heat sink for proper operation.

  9. Q: Can the TDA7293HS be used in automotive audio systems? A: Yes, the TDA7293HS can be used in automotive audio systems, provided that the power supply voltage is within the specified range.

  10. Q: Are there any recommended PCB layout guidelines for using the TDA7293HS? A: Yes, it is recommended to follow the manufacturer's guidelines for PCB layout, including proper grounding, decoupling capacitors, and thermal considerations for efficient heat dissipation.

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