ON Semiconductor
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LA4708N-E
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LA4708N-E

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Power Amplifier

Characteristics: - High output power - Low distortion - Wide operating voltage range - Compact package size

Package: DIP (Dual In-line Package)

Essence: LA4708N-E is a high-performance audio power amplifier IC designed for various audio applications.

Packaging/Quantity: Available in tubes, with 25 pieces per tube.

Specifications

  • Operating Voltage Range: 6V to 18V
  • Output Power: 7W (typical)
  • Total Harmonic Distortion: 0.1% (typical)
  • Frequency Response: 20Hz to 20kHz
  • Input Sensitivity: 200mV (typical)
  • Standby Current: 5mA (typical)

Detailed Pin Configuration

The LA4708N-E has a 9-pin configuration as follows:

  1. VCC: Positive supply voltage
  2. GND: Ground reference
  3. IN+: Non-inverting input
  4. IN-: Inverting input
  5. OUT: Amplified audio output
  6. Bypass: Bypass capacitor connection
  7. MUTE: Mute control input
  8. S-GND: Signal ground
  9. VCC: Positive supply voltage

Functional Features

  • High output power capability for driving speakers
  • Low distortion ensures high-quality audio reproduction
  • Wide operating voltage range allows flexibility in power supply selection
  • Built-in mute function for easy control of audio output
  • Thermal shutdown protection to prevent overheating

Advantages and Disadvantages

Advantages: - High output power enables driving of various speaker types - Low distortion ensures accurate sound reproduction - Wide operating voltage range provides versatility in power supply options - Compact package size allows for space-saving designs

Disadvantages: - Limited output power compared to higher-end audio amplifiers - May require additional external components for certain applications

Working Principles

The LA4708N-E is a class AB audio power amplifier that amplifies low-level audio signals to drive speakers. It operates by receiving an input audio signal, amplifying it using internal circuitry, and delivering the amplified signal to the connected speaker. The amplifier ensures low distortion and high output power through its design and internal components.

Detailed Application Field Plans

The LA4708N-E is suitable for various audio applications, including: - Portable audio devices - Home audio systems - Car audio systems - Multimedia speakers - Musical instruments amplification

Detailed and Complete Alternative Models

  1. TDA7265: Audio power amplifier IC with similar specifications and pin configuration.
  2. LM386: Low voltage audio power amplifier IC suitable for battery-powered applications.
  3. TPA3116D2: Class D audio amplifier IC with high efficiency and digital input options.

These alternative models offer similar functionality and can be considered as substitutes for the LA4708N-E based on specific application requirements.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق LA4708N-E في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of LA4708N-E in technical solutions:

  1. Q: What is LA4708N-E? A: LA4708N-E is a specific model of audio power amplifier integrated circuit (IC) designed for use in various technical solutions.

  2. Q: What is the maximum output power of LA4708N-E? A: The maximum output power of LA4708N-E is typically around 15 watts per channel.

  3. Q: Can LA4708N-E be used in automotive applications? A: Yes, LA4708N-E is suitable for automotive applications as it can operate within the required temperature range and has built-in protection features.

  4. Q: What is the input voltage range for LA4708N-E? A: The recommended input voltage range for LA4708N-E is typically between 6V and 18V.

  5. Q: Does LA4708N-E require external components for operation? A: Yes, LA4708N-E requires external components such as resistors, capacitors, and inductors to form a complete audio amplifier circuit.

  6. Q: Can LA4708N-E drive low-impedance speakers? A: Yes, LA4708N-E is capable of driving low-impedance speakers down to 4 ohms.

  7. Q: Is LA4708N-E suitable for battery-powered devices? A: Yes, LA4708N-E can be used in battery-powered devices as it has low power consumption and can operate efficiently with a wide supply voltage range.

  8. Q: Does LA4708N-E have built-in thermal protection? A: Yes, LA4708N-E incorporates thermal protection circuitry to prevent overheating and damage to the IC.

  9. Q: Can LA4708N-E be used in stereo applications? A: Yes, LA4708N-E is designed for stereo applications and can drive two separate audio channels simultaneously.

  10. Q: What are the typical applications of LA4708N-E? A: LA4708N-E is commonly used in various audio systems, including car audio amplifiers, portable speakers, home theater systems, and multimedia devices.

Please note that the answers provided here are general and may vary depending on the specific requirements and implementation of LA4708N-E in different technical solutions.