STMicroelectronics
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TS4973EIJT
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TS4973EIJT

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Audio Amplifier
  • Characteristics: High-performance, low-power consumption
  • Package: SOT-23-5
  • Essence: Class AB amplifier
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Supply Voltage: 2.7V to 5.5V
  • Output Power: 1.4W (8Ω, 5V)
  • Total Harmonic Distortion: 0.1% (1kHz, 1.2W)
  • Quiescent Current: 2.5mA (5V)
  • Shutdown Current: 0.1μA (Typical)

Detailed Pin Configuration

The TS4973EIJT is a 5-pin IC with the following pin configuration:

  1. VDD: Supply voltage input
  2. IN+: Non-inverting audio input
  3. IN-: Inverting audio input
  4. SHUTDOWN: Shutdown control input
  5. OUT: Amplified audio output

Functional Features

  • Low power consumption
  • Wide supply voltage range
  • Excellent audio quality
  • Short-circuit and thermal protection
  • Shutdown mode for power saving

Advantages and Disadvantages

Advantages: - High-performance audio amplification - Low quiescent current - Small package size - Thermal and short-circuit protection

Disadvantages: - Limited output power compared to higher wattage amplifiers - Requires external components for proper operation

Working Principles

The TS4973EIJT is a class AB audio amplifier that operates by amplifying the input audio signal using a push-pull configuration. It utilizes a low quiescent current, making it suitable for battery-powered devices. The amplifier provides high-quality audio output with low distortion and includes built-in protection mechanisms against short-circuits and thermal issues.

Detailed Application Field Plans

The TS4973EIJT is commonly used in various audio applications, including:

  1. Portable audio devices
  2. Mobile phones and smartphones
  3. Tablets and laptops
  4. Bluetooth speakers
  5. Gaming consoles
  6. Personal digital assistants (PDAs)

Detailed and Complete Alternative Models

  1. LM386: Low voltage audio power amplifier
  2. TPA3116D2: Class D audio amplifier
  3. MAX9744: Stereo 20W class D audio power amplifier
  4. TDA7297: Dual bridge audio amplifier

These alternative models offer similar functionality and can be considered as alternatives to the TS4973EIJT based on specific requirements and design constraints.

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Énumérez 10 questions et réponses courantes liées à l'application de TS4973EIJT dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of TS4973EIJT in technical solutions:

  1. Q: What is TS4973EIJT? A: TS4973EIJT is a specific model of audio amplifier integrated circuit (IC) designed for various technical applications.

  2. Q: What are the key features of TS4973EIJT? A: The key features of TS4973EIJT include low distortion, high output power, wide supply voltage range, and built-in protection circuits.

  3. Q: What are the typical applications of TS4973EIJT? A: TS4973EIJT is commonly used in audio systems, portable devices, automotive applications, and other electronic devices requiring audio amplification.

  4. Q: What is the maximum output power of TS4973EIJT? A: The maximum output power of TS4973EIJT depends on the specific operating conditions, but it can typically deliver up to several watts of power.

  5. Q: Does TS4973EIJT require external components for operation? A: Yes, TS4973EIJT requires external components such as resistors, capacitors, and inductors to form a complete audio amplifier circuit.

  6. Q: Can TS4973EIJT operate from a single power supply? A: Yes, TS4973EIJT can operate from a single power supply, typically ranging from 2.5V to 5.5V.

  7. Q: Does TS4973EIJT support stereo or mono audio output? A: TS4973EIJT can support both stereo and mono audio output configurations, depending on the circuit design and application requirements.

  8. Q: Is TS4973EIJT suitable for battery-powered devices? A: Yes, TS4973EIJT is suitable for battery-powered devices due to its low power consumption and wide supply voltage range.

  9. Q: Does TS4973EIJT have any built-in protection features? A: Yes, TS4973EIJT has built-in protection features such as thermal shutdown, overcurrent protection, and short-circuit protection.

  10. Q: Where can I find more information about the application of TS4973EIJT? A: You can refer to the datasheet provided by the manufacturer or visit their official website for detailed application notes and guidelines.

Please note that the specific details and answers may vary depending on the manufacturer's documentation and the application requirements.