EmbeddedRelated.com
AK4452VN

AK4452VN

MPN: AK4452
Asahi Kasei (AKM)
Another modern stereo DAC offering aimed at high-fidelity applications and available in multiple package options.
1,993 in stock

Overview

The AK4452 is a 32-bit, 2-channel premium DAC utilizing AKM's VELVET SOUND architecture to achieve high-resolution audio playback. It supports sampling rates up to 768kHz and DSD data input, making it suitable for high-fidelity audio systems requiring a compact footprint and low power consumption.

Why Choose This Part

The AK4452 offers a wide voltage supply range of 1.7V to 5.5V and features five types of digital filters to customize sound quality. It includes an integrated LDO for internal digital circuits and supports a daisy chain connection for multi-channel expansion while maintaining a low shutdown current of 1uA.

Applications

High-Resolution Audio Players
Integrated into portable digital audio players (DAPs) to provide 32-bit decoding and high sampling rate support.
AV Receivers
Used in multi-channel home theater systems where high-quality stereo conversion is required for secondary zones.
USB DACs and Headphone Amps
Ideal for compact desktop or portable USB-powered audio interfaces due to its small 5mm x 5mm QFN package.
Network Audio Streams
Provides the digital-to-analog conversion stage for high-end streaming devices supporting DSD and PCM formats.

Key Specifications

Type DAC, Audio
Mounting Type Surface Mount
Data Interface DSD, I2S
Package / Case 32-WFQFN Exposed Pad
Voltage - Supply 1.7V ~ 5.5V
Resolution (Bits) 32 b
Number of Channels 2
Operating Temperature -40degC ~ 105degC
Voltage Supply Source Analog and Digital
Supplier Device Package 32-QFN (5x5)
Sampling Rate (Per Second) 768k

Getting Started

Engineers can evaluate the device using the AKD4452 evaluation board, which provides access to the I2C or 3-wire serial control interfaces. Design requires careful layout of the analog and digital power supplies (AVDD and TVDD) to maintain the device's -107dB noise floor and THD+N performance.

Also Consider

PCM5102A TITexas Instruments - A popular 32-bit stereo DAC that does not require an external system clock (MCLK) due to its integrated PLL.
ES9018K2M ESS Technology - A high-performance 32-bit Sabre DAC often preferred for its HyperStream architecture and higher dynamic range.