AK4462VN - 32-Bit 2-Channel High-Resolution DAC | AKM
料号： AK4462VN ✓ 量产中AK4462VN 概述
An audio DAC is a semiconductor that converts digital PCM, DSD, or DoP audio data into continuous analog voltage signals suitable for an audio amplifier and loudspeaker system. Within the broader hierarchy, a DAC is an audio data-converter IC and a member of the ADC/DAC converter category. The AK4462VN specifically occupies the two-channel premium-audio segment, where low-level signal integrity and support for studio-mastering formats are important design considerations.
The verified device data identifies a 32-bit architecture, two audio channels, 117 dB dynamic range, a maximum PCM input rate of 768 kHz, DSD512 input, and DoP256 input. Its operating supply range is 1.7 V to 5.5 V. These capabilities make the converter suitable for network audio players, USB DACs, digital audio workstations, premium home-audio systems, automotive audio equipment, and other applications that receive high-resolution digital audio streams.
The AK4462 architecture includes AKM VELVET SOUND technology and OSR-Doubler technology. The latter is identified in the manufacturer material as part of the AK4462 implementation. The converter supports substantially higher source rates than a conventional CD-rate audio DAC, but a complete system still requires a matched digital interface, a suitable low-noise analog output network, correct clocking, and an output amplifier whose distortion and noise remain below the DAC’s own output limits.
Typical deployment places the AK4462VN downstream of an audio interface that receives PCM or DSD data. The converter then generates left- and right-channel analog outputs for a balanced or unbalanced audio amplifier stage. In a USB DAC, the digital source may originate from a host operating system; in a network player, it may come through a high-resolution streaming transport. In either case, clock jitter, ground return paths, output filtering, and power-supply noise can materially affect the reproduced result.
A critical design consideration is that high-resolution capability alone does not guarantee high-fidelity playback. The converter must be paired with an appropriate analog filter, balanced routing where supported by the surrounding circuit, stable reference and clock arrangements, and a power supply whose noise is sufficiently below the output signal. Board layout should preserve the separation between digital inputs and sensitive analog outputs while providing a low-impedance return for each supply domain.
This product page consolidates the verified manufacturer and distributor information for the AK4462VN with sourcing details, application guidance, technical limitations, and package information. It distinguishes documented facts from parameters that still require confirmation in the complete manufacturer datasheet, helping engineers evaluate the converter without implying that unsupported pin, clock, output, or compliance details are guaranteed.
直接替换替代料： AK4462VN ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
该产品暂无直接替换替代料。
请求替代料AK4462VN 最大额定值与电气特性
| Converter Type | 2-channel premium audio DAC |
| DAC Resolution | 32 bit |
| Number of Audio Channels | 2 channels |
| Dynamic Range | 117 dB |
| Maximum PCM Input Rate | 768 kHz |
| Maximum DSD Input | DSD512 |
| Maximum DoP Input | DoP256 |
| Supply Voltage Range | 1.7 V to 5.5 V |
| Technology | VELVET SOUND technology |
| Oversampling Architecture | OSR-Doubler technology |
| 封装 | 24-QFN (4 x 4 mm) |
| Package Type | 24-WFQFN exposed-pad package |
| 安装类型 | Surface mount |
| Product Category | Audio DAC |
AK4462VN 24-wfqfn exposed-pad package 引脚配置指南
AK4462VN（24-wfqfn exposed-pad package 封装）的引脚配置。 该模拟元件具有输入、输出和电源引脚。请参阅制造商数据手册以了解失调调零、补偿和使能引脚配置。适用于信号调理和放大器电路。
暂无详细引脚数据： AK4462VN.
请参阅 数据手册 以查看完整引脚配置。
典型应用
AK4462VN 适用于 6 应用s: High-Resolution Network Audio Player, Premium USB Audio DAC, Digital Audio Workstation Monitoring, Premium Home-Audio DAC, Automotive Audio Source Unit, Digital Audio Interface and Headphone-DAC Platform.
High-Resolution Network Audio Player
The AK4462VN fits the final conversion stage of a network-audio player that receives high-resolution PCM, DSD, or DoP streams. Its two-channel 32-bit architecture, 117 dB dynamic range, and support for PCM rates up to 768 kHz align with premium streaming and locally stored high-resolution sources. DSD512 and DoP256 support can be valuable when the upstream transport delivers those formats. The converter should be paired with a compatible network-audio transport, stable clocking, a low-noise output filter, and an output amplifier whose noise and distortion do not obscure the DAC’s documented performance.
推荐
Premium USB Audio DAC
AK4462VN is appropriate for a premium USB DAC when the host interface can deliver PCM, DSD, or DoP data at the converter’s supported rates. The documented 768 kHz maximum PCM input, DSD512, DoP256, and 117 dB dynamic range provide ample headroom for high-resolution playback. In implementation, the USB controller or bridge, asynchronous clocking path, digital ground strategy, analog supplies, and balanced or single-ended output stage determine whether those converter capabilities are preserved. The AK4462VN is therefore best treated as the precision analog-output element rather than a complete USB interface solution.
推荐
Digital Audio Workstation Monitoring
The AK4462VN can serve as a stereo monitoring converter in a professional digital audio workstation when the workstation provides compatible high-resolution PCM or DSD-derived DoP data. Its 32-bit processing and 117 dB dynamic range are useful for preserving low-level information during monitoring, while 768 kHz PCM support accommodates high-rate production workflows. The output path still requires a suitably low-noise analog filter, reference-grade clocking, and a balanced monitor amplifier. Clock jitter, converter grounding, and output-impedance matching must be evaluated at the complete signal-chain level.
推荐
Premium Home-Audio DAC
AK4462VN is well suited to a premium home-audio DAC built around a digital source such as a streamer, disc transport, or computer interface. The converter’s two-channel 32-bit architecture supports conventional stereo playback while accommodating modern high-resolution sources through PCM up to 768 kHz, DSD512, and DoP256. Its documented 117 dB dynamic range supports low-noise signal-chain design, although the audible result also depends on analog filtering, channel balance, output impedance, and the selected amplifier. A clean analog ground and short output routing should be priorities.
推荐
Automotive Audio Source Unit
The AK4462VN can be considered for automotive-audio source units that receive compatible high-resolution digital audio, because the manufacturer material identifies car audio systems as an application for the AK4462 family. Its stereo 32-bit conversion and support for DSD512 and DoP256 can preserve high-resolution source material when the complete vehicle infotainment chain is compatible. Before design release, engineers must verify the exact suffix’s automotive qualification, temperature range, lifecycle, electromagnetic requirements, and availability because those details are not established by the supplied listing data.
推荐
Digital Audio Interface and Headphone-DAC Platform
AK4462VN can form the stereo conversion section of a digital audio interface intended for powered headphones or line-level monitoring. The converter’s 117 dB dynamic range and high-rate PCM capability allow the interface to preserve source information before the headphone amplifier applies gain. The design must ensure that the digital interface delivers supported data formats, that clocks are clean, and that the analog output impedance matches the amplifier input. Headphone-amplifier noise, channel matching, output protection, and ground separation remain outside the DAC’s verified specification set.
推荐
推荐产品汇总
工程参考数据： AK4462VN ——对比、设计指导和合规信息。
选型指南
关键差异点
- Supports modern high-resolution source formats （对比 Conventional CD-rate stereo DAC)
- High documented dynamic range （对比 Lower-resolution conventional DAC)
- Dedicated premium-audio conversion architecture （对比 General-purpose codec)
设计说明
Route digital clock and data signals away from the analog output network, and place the DAC's required bypass capacitors close to their associated supply pins. Use a continuous ground reference under the device where the package drawing permits it, while returning analog output currents directly to the analog ground domain. The supplied information does not include the complete reference layout or capacitor values, so follow the manufacturer application guidance rather than relying on generic spacing rules.
The verified supply-voltage range is 1.7 V to 5.5 V, but the required analog and digital rail arrangement must be taken from the manufacturer datasheet. Use separate local bypass paths for each supply domain and keep switching-regulator output and magnetics away from sensitive analog outputs. Estimated: thermal and power-loss conclusions cannot be calculated from the supplied data because the exact rail voltages, current consumption, and output configuration are not provided.
Treat clock, PCM, DSD, and DoP connections as high-speed digital signals and verify their topology against the supported interface mode. Account for connector or cable loss, impedance discontinuities, clock jitter, and return-path discontinuities before expecting the converter's rated dynamic range to translate into system performance. The verified 768 kHz PCM, DSD512, and DoP256 capabilities describe supported data modes, not permission to omit signal-integrity design.
Do not substitute another AK4462 suffix or a generic 24-QFN DAC without checking the full pin table, exposed-pad requirements, interface mode, output circuit, clock requirements, and supply rails. The verified sources name no pin-to-pin substitute for AK4462VN. Package dimensions alone are insufficient evidence of drop-in compatibility, and a functional audio DAC can still require board changes if its digital interface or analog output topology differs.
合规信息
The supplied verified data does not state compliance declarations for the exact AK4462VN suffix. Automotive use is mentioned in the family description, but AEC-Q100 qualification for this exact part was not verified.
