AKM Semiconductor Inc.
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AK4385ET
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AK4385ET

Product Overview

  • Category: Audio DAC (Digital-to-Analog Converter)
  • Use: Converts digital audio signals into analog signals for high-quality audio playback
  • Characteristics: High-resolution audio output, low distortion, wide dynamic range
  • Package: Small outline package (SOP), 16-pin
  • Essence: Provides accurate and faithful reproduction of audio signals
  • Packaging/Quantity: Available in reels, 2500 units per reel

Specifications

  • Resolution: Up to 24-bit
  • Sampling Rate: Up to 192 kHz
  • Total Harmonic Distortion + Noise (THD+N): <0.001%
  • Dynamic Range: >110 dB
  • Signal-to-Noise Ratio (SNR): >110 dB
  • Operating Voltage: 3.3 V
  • Power Consumption: 20 mW (typical)

Pin Configuration

The AK4385ET features a 16-pin small outline package (SOP) with the following pin configuration:

  1. VREFL
  2. VCOM
  3. VREFR
  4. AGND
  5. DGND
  6. SDTI
  7. SCKI
  8. WS
  9. MUTE
  10. SDTO
  11. SCKO
  12. VOUTR
  13. VOUTL
  14. AVDD
  15. DVDD
  16. RESET

Functional Features

  • High-resolution audio output for enhanced sound quality
  • Low distortion ensures accurate reproduction of audio signals
  • Wide dynamic range captures subtle details in music
  • Built-in mute function for seamless audio control
  • Reset pin for easy system integration and initialization

Advantages and Disadvantages

Advantages: - High-resolution audio output for superior sound quality - Low distortion ensures faithful reproduction of audio signals - Wide dynamic range captures the nuances in music - Small package size allows for compact designs - Mute function provides convenient audio control

Disadvantages: - Requires external components for complete audio system integration - Limited availability of alternative models with similar specifications

Working Principles

The AK4385ET operates by receiving digital audio data and converting it into analog signals. It utilizes a high-resolution DAC architecture to accurately reproduce the original audio waveform. The device incorporates advanced circuitry to minimize distortion and noise, resulting in a clean and detailed audio output.

Detailed Application Field Plans

The AK4385ET is suitable for various applications that require high-quality audio playback. Some potential application fields include:

  1. Professional audio equipment: Mixing consoles, audio interfaces, studio monitors
  2. Consumer electronics: Hi-Fi systems, portable media players, soundbars
  3. Automotive audio systems: Car stereos, amplifiers, infotainment systems
  4. Home theater systems: AV receivers, surround sound processors, DVD/Blu-ray players

Alternative Models

While the AK4385ET offers exceptional performance, there are alternative models available in the market with similar specifications. Some notable alternatives include:

  1. AK4490EQ
  2. PCM1794A
  3. CS4398
  4. ES9028PRO

These alternative models provide comparable audio quality and features, allowing designers to choose the most suitable option for their specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AK4385ET v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AK4385ET in technical solutions:

  1. Q: What is AK4385ET? A: AK4385ET is a high-performance stereo digital-to-analog converter (DAC) chip manufactured by Asahi Kasei Microdevices.

  2. Q: What are the key features of AK4385ET? A: The key features of AK4385ET include low distortion, low noise, wide dynamic range, high resolution, and support for various audio formats.

  3. Q: What applications can AK4385ET be used for? A: AK4385ET is commonly used in audio equipment such as professional audio interfaces, digital mixing consoles, home theater systems, and high-end consumer audio devices.

  4. Q: What is the maximum sampling rate supported by AK4385ET? A: AK4385ET supports a maximum sampling rate of 192 kHz, allowing for high-quality audio playback.

  5. Q: Does AK4385ET support multiple input formats? A: Yes, AK4385ET supports various input formats including I2S, left-justified, right-justified, and TDM (time-division multiplexing).

  6. Q: Can AK4385ET operate on a single power supply? A: Yes, AK4385ET can operate on a single power supply ranging from 3.0V to 3.6V, making it suitable for portable and battery-powered devices.

  7. Q: Does AK4385ET have built-in digital filters? A: Yes, AK4385ET provides selectable digital filters that allow users to customize the sound characteristics according to their preferences.

  8. Q: Is AK4385ET compatible with different control interfaces? A: Yes, AK4385ET supports various control interfaces including I2C and SPI, providing flexibility for integration into different system architectures.

  9. Q: What is the typical power consumption of AK4385ET? A: The typical power consumption of AK4385ET is relatively low, making it suitable for energy-efficient designs.

  10. Q: Are evaluation boards or reference designs available for AK4385ET? A: Yes, Asahi Kasei Microdevices provides evaluation boards and reference designs to assist developers in implementing AK4385ET in their applications.

Please note that these answers are general and may vary depending on specific implementation details and requirements.