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AK4454VN

AK4454VN

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Digital-to-Analog Converter (DAC)

Characteristics: - High-performance 32-bit stereo DAC - Low power consumption - Wide dynamic range - High signal-to-noise ratio - Excellent audio quality

Package: SSOP-20

Essence: AK4454VN is a high-quality audio DAC designed for various audio applications.

Packaging/Quantity: The AK4454VN is typically sold in reels of 2,500 units.

Specifications

  • Resolution: 32-bit
  • Sampling Rate: Up to 768 kHz
  • Total Harmonic Distortion + Noise (THD+N): -107 dB
  • Signal-to-Noise Ratio (SNR): 120 dB
  • Dynamic Range (DNR): 120 dB
  • Power Supply Voltage: 3.0 V to 3.6 V
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The AK4454VN has a total of 20 pins. Below is the detailed pin configuration:

  1. VCOM
  2. DGND
  3. AVDD
  4. DVDD
  5. BICK
  6. LRCK
  7. SDTI
  8. SDTO
  9. MCLK
  10. RESETB
  11. SCLK
  12. SDATA
  13. DIF0
  14. DIF1
  15. DIF2
  16. DIF3
  17. DIF4
  18. DIF5
  19. DIF6
  20. DIF7

Functional Features

  • High-resolution audio playback
  • Low power consumption
  • Built-in digital filters for sound customization
  • Multiple input formats supported (I2S, left-justified, right-justified)
  • Digital de-emphasis filter
  • Soft mute function

Advantages and Disadvantages

Advantages: - High audio quality with low distortion - Wide dynamic range for accurate sound reproduction - Flexible input format options - Low power consumption for energy efficiency

Disadvantages: - Limited availability in certain regions - Requires external components for complete audio system integration

Working Principles

The AK4454VN is a digital-to-analog converter that converts digital audio signals into analog signals. It utilizes advanced circuitry and algorithms to accurately reproduce high-resolution audio with minimal distortion. The DAC operates by receiving digital audio data and clock signals, which are then processed and converted into analog voltage outputs.

Detailed Application Field Plans

The AK4454VN is widely used in various audio applications, including: - High-end audio systems - Professional audio equipment - Home theater systems - Automotive audio systems - Portable media players

Alternative Models

Below are some alternative models that offer similar functionality to the AK4454VN:

  1. AK4490EQ
  2. PCM1794A
  3. ES9028PRO
  4. CS4398
  5. WM8741

These alternative models provide comparable performance and features, allowing users to choose the most suitable DAC for their specific requirements.

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Liste 10 perguntas e respostas comuns relacionadas à aplicação de AK4454VN em soluções técnicas

Sure! Here are 10 common questions and answers related to the application of AK4454VN in technical solutions:

  1. Q: What is AK4454VN? A: AK4454VN is a high-performance digital-to-analog converter (DAC) chip manufactured by Asahi Kasei Microdevices.

  2. Q: What are the key features of AK4454VN? A: AK4454VN offers high-resolution audio playback, low distortion, low noise, and a wide dynamic range, making it suitable for various audio applications.

  3. Q: What is the maximum sampling rate supported by AK4454VN? A: AK4454VN supports a maximum sampling rate of 768 kHz, allowing for high-quality audio reproduction.

  4. Q: Can AK4454VN be used in consumer audio devices? A: Yes, AK4454VN is commonly used in consumer audio devices such as amplifiers, AV receivers, soundbars, and portable music players.

  5. Q: Does AK4454VN support multiple audio formats? A: Yes, AK4454VN supports various audio formats including PCM, DSD, and DoP (DSD over PCM).

  6. Q: What is the power supply voltage range for AK4454VN? A: The power supply voltage range for AK4454VN is typically between 2.7V and 3.6V.

  7. Q: Can AK4454VN be used in battery-powered devices? A: Yes, AK4454VN's low power consumption makes it suitable for battery-powered devices where energy efficiency is crucial.

  8. Q: Does AK4454VN require external components for operation? A: Yes, AK4454VN requires external components such as decoupling capacitors, resistors, and an external clock source for proper operation.

  9. Q: Is AK4454VN compatible with I2C control interface? A: No, AK4454VN does not support I2C control interface. It uses a different control interface called SPI (Serial Peripheral Interface).

  10. Q: Are evaluation boards or reference designs available for AK4454VN? A: Yes, Asahi Kasei Microdevices provides evaluation boards and reference designs to assist in the development and implementation of AK4454VN in technical solutions.

Please note that these answers are general and may vary depending on specific application requirements and design considerations.