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STA508
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STA508

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Power Amplifier

Characteristics: - High efficiency - Low distortion - Wide frequency response - Compact size

Package: PowerSO-36

Essence: STA508 is a high-performance audio power amplifier IC designed for various audio applications.

Packaging/Quantity: The STA508 is available in a PowerSO-36 package and is typically sold in reels of 250 units.

Specifications

  • Supply Voltage: 10V - 26V
  • Output Power: 100W
  • Total Harmonic Distortion (THD): <0.1%
  • Signal-to-Noise Ratio (SNR): >90dB
  • Operating Temperature Range: -40°C to +105°C

Detailed Pin Configuration

The STA508 has a total of 36 pins, which are divided into different functions:

  • Pins 1-4: Input differential stage
  • Pins 5-8: Bootstrap capacitors
  • Pins 9-12: Output stage
  • Pins 13-16: Mute and standby control
  • Pins 17-20: Gain setting
  • Pins 21-24: Feedback network
  • Pins 25-28: Power supply
  • Pins 29-32: Thermal protection
  • Pins 33-36: Diagnostic output

Functional Features

  • High efficiency Class D operation
  • Built-in protection circuits (thermal, short-circuit, overvoltage)
  • Mute and standby modes for power saving
  • Adjustable gain settings
  • Diagnostic output for fault detection

Advantages and Disadvantages

Advantages: - High power efficiency - Low distortion - Compact size - Built-in protection features

Disadvantages: - Requires external components for proper operation - Limited output power compared to some other models

Working Principles

The STA508 utilizes Class D amplification technology, which allows for high power efficiency by switching the output stage transistors on and off rapidly. This results in minimal power loss and reduced heat generation. The input audio signal is modulated onto a high-frequency carrier wave, which is then amplified and filtered to produce the final audio output.

Detailed Application Field Plans

The STA508 is suitable for a wide range of audio applications, including:

  1. Home theater systems
  2. Car audio systems
  3. Professional audio equipment
  4. Multimedia speakers
  5. Portable audio devices

Detailed and Complete Alternative Models

  • STA540: Similar performance with higher output power (150W)
  • TPA3116D2: Lower cost option with comparable specifications
  • TAS5630: Higher output power (300W) with advanced features

These alternative models offer similar functionality and can be considered based on specific requirements and budget constraints.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af STA508 i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of STA508 in technical solutions:

  1. Q: What is STA508?
    A: STA508 is a high-performance audio amplifier integrated circuit (IC) developed by STMicroelectronics.

  2. Q: What are the key features of STA508?
    A: The key features of STA508 include high output power, low distortion, wide supply voltage range, and built-in protection mechanisms.

  3. Q: What is the typical application of STA508?
    A: STA508 is commonly used in audio systems, such as home theaters, car audio systems, and professional audio equipment.

  4. Q: How much output power can STA508 deliver?
    A: STA508 can deliver up to 100 watts of output power per channel, making it suitable for various audio applications.

  5. Q: Can STA508 operate with a single power supply?
    A: Yes, STA508 can operate with a single power supply, typically ranging from 8V to 22V.

  6. Q: Does STA508 support different audio input formats?
    A: Yes, STA508 supports various audio input formats, including analog inputs and digital inputs such as I2S and TDM.

  7. Q: Is STA508 efficient in terms of power consumption?
    A: Yes, STA508 is designed to be highly efficient, minimizing power consumption while delivering high-quality audio output.

  8. Q: Does STA508 have any built-in protection mechanisms?
    A: Yes, STA508 includes built-in protection mechanisms such as over-temperature protection, short-circuit protection, and DC offset detection.

  9. Q: Can STA508 be used in bridged mode?
    A: Yes, STA508 can be configured in bridged mode to increase the output power and drive speakers with higher impedance.

  10. Q: Are there any evaluation boards or reference designs available for STA508?
    A: Yes, STMicroelectronics provides evaluation boards and reference designs to help engineers quickly prototype and integrate STA508 into their applications.

Please note that the answers provided here are general and may vary depending on specific product versions or application requirements.