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MAX9856ETL+T
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MAX9856ETL+T

Product Overview

  • Category: Audio Amplifier IC
  • Use: The MAX9856ETL+T is a high-performance audio amplifier integrated circuit designed for use in portable electronic devices such as smartphones, tablets, and portable media players.
  • Characteristics: This IC offers high efficiency, low power consumption, and excellent audio quality. It comes in a small package, making it suitable for space-constrained applications.
  • Package: The MAX9856ETL+T is available in a tiny 3mm x 3mm, 16-pin TQFN package.
  • Essence: This audio amplifier IC is designed to deliver clear and powerful audio output while minimizing power consumption and heat generation.
  • Packaging/Quantity: The MAX9856ETL+T is typically sold in reels containing a specific quantity, as per the manufacturer's packaging standards.

Specifications

  • Power Supply Voltage: 2.7V to 5.5V
  • Output Power: Up to 1.4W per channel into 8Ω load at 5V supply
  • Total Harmonic Distortion + Noise (THD+N): 0.015% at 1kHz, 1.2W, 8Ω
  • Signal-to-Noise Ratio (SNR): 106dB A-weighted
  • Shutdown Current: <1µA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX9856ETL+T features a 16-pin TQFN package with the following pin configuration: 1. OUT1P 2. OUT1N 3. GND 4. VDD 5. BYPASS 6. MODE 7. SHDN 8. MCLK 9. SCLK 10. SDIN 11. SDOUT 12. LRC 13. BCLK 14. VBAT 15. OUT2N 16. OUT2P

Functional Features

  • Integrated Class D Amplifier: The MAX9856ETL+T integrates a high-efficiency Class D amplifier, providing clear and powerful audio output.
  • Digital Audio Interface: It features a digital audio interface that supports I2S, left-justified, and right-justified formats, allowing seamless integration with digital audio sources.
  • Low Power Consumption: The IC is designed for low power consumption, making it suitable for battery-powered devices.
  • Thermal and Overcurrent Protection: It includes built-in protection features to safeguard the IC and connected components from thermal and overcurrent issues.

Advantages and Disadvantages

Advantages

  • High audio quality
  • Low power consumption
  • Small form factor
  • Integrated protection features

Disadvantages

  • Limited output power compared to larger amplifiers
  • Requires careful PCB layout for optimal performance

Working Principles

The MAX9856ETL+T operates by receiving digital audio input through its digital audio interface. It then processes the audio signal and drives the connected speakers through its integrated Class D amplifier. The efficient design of the amplifier minimizes power loss and heat generation while delivering high-quality audio output.

Detailed Application Field Plans

The MAX9856ETL+T is well-suited for various portable electronic devices, including: - Smartphones - Tablets - Portable media players - Bluetooth speakers - Wearable devices

Detailed and Complete Alternative Models

  • MAX98390: A higher-power audio amplifier IC suitable for larger speaker systems.
  • MAX98357A: An ultra-low-power audio amplifier IC designed for battery-operated devices.
  • MAX9867: A stereo audio amplifier IC with advanced digital signal processing features.

This completes the entry for the MAX9856ETL+T, covering its product details, specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

10个与MAX9856ETL+T在技术解决方案中的应用相关的常见问题及解答

  1. What is the MAX9856ETL+T?

    • The MAX9856ETL+T is a low-power, stereo audio codec with an integrated digital microphone interface, designed for use in portable and handheld applications.

  2. What are the key features of the MAX9856ETL+T?

    • The key features include a low-power consumption, integrated digital microphone interface, stereo audio playback and recording, programmable filters, and flexible input/output configurations.

  3. How can the MAX9856ETL+T be used in portable devices?

    • The MAX9856ETL+T can be used to enable high-quality audio playback and recording in portable devices such as smartphones, tablets, portable media players, and handheld gaming consoles.

  4. What are the power requirements for the MAX9856ETL+T?

    • The MAX9856ETL+T operates on a low supply voltage and has low power consumption, making it suitable for battery-powered applications.

  5. Can the MAX9856ETL+T support digital microphones?

    • Yes, the MAX9856ETL+T includes an integrated digital microphone interface, providing support for digital MEMS microphones and enabling noise cancellation and voice recognition features.

  6. What kind of audio processing capabilities does the MAX9856ETL+T offer?

    • The MAX9856ETL+T offers programmable filters, equalization, and dynamic range control, allowing for audio signal processing and enhancement.

  7. Is the MAX9856ETL+T compatible with common audio interfaces?

    • Yes, the MAX9856ETL+T supports standard I2S, TDM, and PCM audio interfaces, making it compatible with a wide range of audio processing and playback systems.

  8. Can the MAX9856ETL+T be used in automotive applications?

    • Yes, the MAX9856ETL+T is suitable for automotive infotainment systems, providing high-quality audio playback and microphone input for hands-free calling and voice recognition.

  9. Does the MAX9856ETL+T include built-in protection features?

    • Yes, the MAX9856ETL+T includes built-in short-circuit and thermal protection features to ensure reliable operation and prevent damage to the device.

  10. Are there any evaluation kits available for the MAX9856ETL+T?

    • Yes, Maxim Integrated offers evaluation kits and reference designs to help developers quickly integrate the MAX9856ETL+T into their technical solutions and accelerate time to market.