Diodes Incorporated
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PAM8803NHR
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PAM8803NHR

Product Overview

Category

PAM8803NHR belongs to the category of audio amplifier integrated circuits.

Use

It is primarily used for amplifying audio signals in various electronic devices such as portable speakers, headphones, and multimedia systems.

Characteristics

  • Compact size and low power consumption
  • High efficiency and low distortion
  • Wide operating voltage range
  • Built-in thermal and short-circuit protection
  • Supports stereo output

Package

PAM8803NHR is available in a small outline package (SOP) or dual flat no-leads (DFN) package.

Essence

The essence of PAM8803NHR lies in its ability to provide high-quality audio amplification in a compact and efficient manner.

Packaging/Quantity

PAM8803NHR is typically packaged in reels or tubes, with quantities varying depending on the manufacturer's specifications.

Specifications

  • Operating Voltage: 2.5V - 5.5V
  • Output Power: 3W per channel (at 4Ω load, 5V supply)
  • Total Harmonic Distortion: <0.1% (1W, 1kHz)
  • Signal-to-Noise Ratio: >90dB
  • Efficiency: >85%
  • Shutdown Current: <1μA

Detailed Pin Configuration

PAM8803NHR features a standard pin configuration with the following pins:

  1. VDD: Power supply input
  2. GND: Ground reference
  3. SD: Shutdown control input
  4. INL: Left channel audio input
  5. INR: Right channel audio input
  6. SHUTDOWN: Shutdown control output
  7. OUTL: Left channel audio output
  8. OUTR: Right channel audio output

Functional Features

  • Low power consumption in standby mode
  • Thermal and short-circuit protection
  • Built-in mute function
  • Wide operating voltage range for versatile applications
  • Supports stereo audio output

Advantages and Disadvantages

Advantages

  • Compact size allows for integration in space-constrained devices
  • High efficiency results in minimal power wastage
  • Low distortion ensures high-quality audio reproduction
  • Thermal and short-circuit protection enhances reliability
  • Versatile operating voltage range accommodates various power sources

Disadvantages

  • Limited output power compared to higher wattage amplifiers
  • May require additional components for optimal performance in certain applications

Working Principles

PAM8803NHR operates on the principle of amplifying low-power audio signals using a class D amplifier architecture. It converts the input audio signal into a pulse-width modulated (PWM) signal, which is then amplified and filtered to produce the desired audio output.

Detailed Application Field Plans

PAM8803NHR finds application in a wide range of electronic devices, including: - Portable speakers - Headphones and earphones - Multimedia systems - Gaming consoles - Automotive audio systems - Home theater systems - Personal audio devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to PAM8803NHR include: - TPA3116D2 - LM386 - MAX98357A - TAS5720 - STA540

These alternatives can be considered based on specific requirements and design constraints.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением PAM8803NHR в технических решениях.

Sure! Here are 10 common questions and answers related to the application of PAM8803NHR in technical solutions:

  1. Q: What is PAM8803NHR? A: PAM8803NHR is a class-D audio amplifier IC that can be used to amplify audio signals in various electronic devices.

  2. Q: What is the power output of PAM8803NHR? A: The power output of PAM8803NHR is typically around 3 watts per channel.

  3. Q: Can PAM8803NHR be used in battery-powered devices? A: Yes, PAM8803NHR is designed to work efficiently with low power consumption, making it suitable for battery-powered devices.

  4. Q: What is the input voltage range for PAM8803NHR? A: The input voltage range for PAM8803NHR is typically between 2.5V and 5.5V.

  5. Q: Does PAM8803NHR require any external components for operation? A: Yes, PAM8803NHR requires a few external components such as capacitors and resistors for proper operation.

  6. Q: Can PAM8803NHR drive speakers directly? A: Yes, PAM8803NHR can drive small speakers directly without the need for additional amplification stages.

  7. Q: Is PAM8803NHR compatible with different audio sources? A: Yes, PAM8803NHR can accept audio signals from various sources such as smartphones, tablets, MP3 players, etc.

  8. Q: Does PAM8803NHR have built-in thermal protection? A: Yes, PAM8803NHR has built-in thermal protection to prevent overheating and damage to the IC.

  9. Q: Can PAM8803NHR be used in stereo applications? A: Yes, PAM8803NHR can be used in stereo applications as it has two independent channels for left and right audio signals.

  10. Q: What is the typical efficiency of PAM8803NHR? A: The typical efficiency of PAM8803NHR is around 90%, making it energy-efficient and suitable for portable devices.

Please note that the answers provided here are general and may vary depending on the specific implementation and datasheet specifications of PAM8803NHR.