AK4438VN

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AK4438VN

+BOM

IC DAC/AUDIO 32BIT 192K 32QFN

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Specifications

Attribute Value
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Type DAC, Audio
Number of Channels 8
Resolution(Bits) 32 b
Sampling Rate(Per Second) 192k
Data Interface I²S
Voltage Supply Source Analog and Digital
Voltage - Supply 1.7V ~ 3.6V
Operating Temperature -40°C ~ 105°C
Mounting Type Surface Mount

Overview

Description

The AK4438VN is an audio digital-to-analog converter (DAC) developed by Asahi Kasei Microdevices (AKM). It is designed to convert digital audio signals into analog form with high fidelity, making it ideal for consumer electronics, professional audio equipment, and various sound applications.
The AK4438VN supports up to 8 channels of audio output, facilitating multi-channel audio systems. It features a high Signal-to-Noise Ratio (SNR) and low Total Harmonic Distortion (THD), ensuring superior audio quality. This DAC is capable of handling audio data with sample rates up to 768 kHz, supporting PCM and DSD formats.
In terms of design, the AK4438VN is compact and energy-efficient, making it suitable for portable devices and systems that require low power consumption. Its advanced features include digital filters that can be customized for different sound profiles, offering flexibility for different audio playback needs.
Overall, the AK4438VN is a versatile and robust DAC that caters to high-quality audio applications, emphasizing performance, efficiency, and adaptability.

Equivalent

The AK4438VN is an 8-channel DAC often used in audio applications. Equivalent products might include:
1. ESS Technology ES9018K2M - Offers high-quality audio performance with multiple channels.
2. Texas Instruments PCM1690 - An 8-channel DAC with similar features.
3. Cirrus Logic CS4385 - A multi-channel DAC used in similar applications.
4. Wolfson Microelectronics WM8740 - Known for high audio performance.
Suitability depends on specific application requirements such as power consumption, package type, and audio performance.

Features

The AK4438VN is an 8-channel, 32-bit digital-to-analog converter (DAC) from Asahi Kasei Microdevices, designed for high-quality audio applications. Key features include:
1. High-Resolution Audio: Supports up to 32-bit, 768 kHz PCM audio data, providing superior sound quality.
2. Dynamic Range: Offers a dynamic range of 115 dB and a low total harmonic distortion plus noise (THD+N) of -100 dB, ensuring clear and detailed audio output.
3. Advanced Filter Options: Includes various digital filter options to optimize sound characteristics based on user preferences or application requirements.
4. Low Power Consumption: Designed to be energy-efficient with low power consumption, making it suitable for portable and battery-powered devices.
5. Flexible Output: Provides differential output, which can be beneficial for reducing noise and improving signal integrity in audio systems.
6. Compact Package: Available in a compact 28-pin QFN (Quad Flat No-leads) package, allowing for easy integration into various electronic designs.
These features make the AK4438VN a versatile choice for high-fidelity audio applications in home and portable audio systems.

Pinout

The AK4438VN is an 8-channel, 32-bit DAC (Digital-to-Analog Converter) from Asahi Kasei Microdevices. It is designed for audio applications, providing high-quality sound conversion from digital to analog signals. The AK4438VN comes in a compact package with a pin count of 38.
Key functions include:
1. 32-bit Processing: Ensures high-resolution audio output.
2. 8 Channels: Supports multi-channel audio systems, making it suitable for applications like home theater systems.
3. Sampling Frequency: Supports a wide range of sampling frequencies, typically up to 192 kHz.
4. Low Distortion and Noise: Designed to minimize audio distortion and noise, ensuring high-fidelity sound reproduction.
5. Differential Outputs: Provides differential analog outputs for improved noise performance.
6. Support for DSD Format: Capable of handling Direct Stream Digital (DSD) audio signals.
This DAC is often used in audio equipment requiring high performance and low power consumption.

Manufacturer

The AK4438VN is manufactured by Asahi Kasei Microdevices Corporation (AKM), which is a subsidiary of Asahi Kasei Corporation. AKM specializes in the design and production of semiconductor products, particularly focusing on audio and digital signal processing integrated circuits. Asahi Kasei Corporation, the parent company, is a diversified Japanese company involved in various sectors including chemicals, fibers, electronics, and pharmaceuticals. AKM is well-regarded for its high-quality audio ICs and is a global leader in providing audio solutions for consumer electronics, professional audio equipment, and automotive applications.

Application

The AK4438VN is an eight-channel, 32-bit DAC (Digital-to-Analog Converter) designed for high-quality audio applications. It is commonly used in audio-visual receivers, soundbars, home theater systems, and professional audio equipment. The DAC's ability to deliver high-resolution audio makes it suitable for applications requiring superior sound quality, such as high-end music players and audio interfaces. Its multi-channel capability supports immersive audio experiences in home entertainment systems. Additionally, the AK4438VN's low power consumption and compact design make it ideal for portable audio devices and automotive audio systems, where space and energy efficiency are crucial.

Package

The AK4438VN is an 8-channel, 32-bit DAC (Digital-to-Analog Converter) typically used in audio applications. It comes in a compact 44-pin LQFP (Low-Profile Quad Flat Package) type, which is designed to save space on circuit boards while providing adequate pin connections for its functionality.

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