AK4468VN - 32-Bit 8-Channel DAC | AKM | Premium Audio
Артикул: AK4468VN ✓ АктивенAK4468VN Обзор
An eight-channel DAC is a semiconductor that converts eight digital audio streams into eight analog output signals. This class of converter belongs to the broader digital-to-analog converter hierarchy, audio integrated circuits, signal-conversion semiconductors, and broader semiconductor categories. Eight-channel conversion is especially useful in surround-sound receivers, multi-zone audio equipment, automotive sound systems, and USB or network-audio playback products where several synchronized analog channels are required.
The AK4468VN provides 32-bit digital audio processing, 768 kHz maximum PCM input, and DSD512 input support as highlighted in the manufacturer documentation. Its eight-channel architecture reduces the need for multiple discrete DAC packages in multichannel equipment. The 117 dB dynamic-range figure identifies it as a premium converter rather than a basic consumer-audio DAC, while VELVET SOUND technology is the manufacturer’s stated approach to sound-quality implementation.
OSR-Doubler technology is another stated feature of the AK4468VN. The supplied datasheet description indicates that this technology is adopted in the AK4468 family, although detailed filter characteristics and implementation conditions should be confirmed in the manufacturer datasheet. The 48-VFQFN exposed-pad package supports compact high-channel-count PCB layouts, but the exposed pad requires careful thermal and electrical layout according to the datasheet land pattern and recommended design guidance.
The AK4468VN is suitable for network-audio playback, USB DAC platforms, car-audio systems, home-theater receivers, and other multichannel audio products. A design must provide compatible digital audio data, appropriate master-clock and timing signals, analog output filtering, stable analog and digital supplies, and a layout that minimizes noise coupling into sensitive signal paths. The 3 V to 5.5 V supply range listed in the retrieved technical data supports conventional mixed-signal audio-system rails.
A critical design consideration is that the exposed thermal pad must be connected according to the datasheet instructions and surrounded by an appropriate ground-plane structure. Differential clock routing, controlled return paths, and separation from switching converters can help preserve the benefit implied by the device’s 117 dB dynamic-range specification. Exact pin names, clock requirements, output modes, filter settings, and recommended external component values must be taken directly from the manufacturer datasheet rather than inferred.
This page consolidates the verified manufacturer and distributor information for AK4468VN, including high-resolution audio capabilities, package details, sourcing data, application guidance, and the limitations of the available substitute search. It also distinguishes confirmed drop-in alternatives from merely similar DAC devices so engineers do not mistake a different package or architecture for a PCB-compatible replacement.
Аналоги без доработки для AK4468VN — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Для этого товара нет аналогов без доработки.
Запросить аналогиAK4468VN Максимальные параметры и электрические характеристики
| Product Type | 32-bit 8-channel premium DAC |
| Number of DAC Channels | 8 channels |
| Digital Audio Resolution | 32-bit |
| Dynamic Range | 117 dB |
| Maximum PCM Input Rate | 768 kHz |
| Maximum DSD Input | DSD512 |
| Audio Technology | VELVET SOUND technology |
| Filter Technology | OSR-Doubler technology |
| Supply Voltage Range | 3 V to 5.5 V |
| Диапазон рабочих температур | -40 °C to +105 °C |
| Корпус | 48-VFQFN exposed-pad package |
| Package Dimensions | 7 mm × 7 mm |
| Тип монтажа | Surface mount |
| Manufacturer | Asahi Kasei Microdevices/AKM |
Руководство по цоколевке AK4468VN в корпусе 7 mm × 7 mm
Цоколевка для AK4468VN (корпус 7 mm × 7 mm). Этот аналоговый компонент имеет выводы входа, выхода и питания. Обратитесь к техническому описанию производителя для конфигураций выводов балансировки нуля, коррекции и разрешения. Идеально подходит для схем обработки сигналов и усилителей.
Нет подробных данных о распиновке для AK4468VN.
Обратитесь к даташиту для полной конфигурации выводов.
Типичное применение
AK4468VN подходит для 6 применениеs: Network Audio Player, USB Premium DAC, Automotive Audio System, Surround-Sound Receiver, Professional Multi-Channel Audio, Digital Recording and Playback.
Network Audio Player
The AK4468VN fits a network-audio player that must reproduce high-resolution multichannel sources. Its eight channels provide a consolidated conversion stage, while 32-bit resolution, 768 kHz PCM support, and DSD512 input capability cover the high-rate formats emphasized in the manufacturer documentation. In this application, the DAC is driven by a compatible network-audio or digital-audio interface that supplies the required timing and data signals. The 48-VFQFN exposed-pad package also supports compact PCB construction, although its thermal pad, ground return, and analog output routing must follow the datasheet layout. Compared with eight separate lower-capability converters, the integrated eight-channel design can simplify system organization while supporting a broader range of high-resolution source formats.
Рекомендуется
USB Premium DAC
The AK4468VN is suitable for a USB DAC designed to accept high-resolution PCM and DSD content. The manufacturer specifically identifies USB-DAC systems as an application for the converter, and the verified feature set includes 768 kHz PCM and DSD512 input operation. The device converts the digital stream into eight analog channels rather than implementing the USB protocol itself, so it should be paired with a suitable USB audio controller and clocking architecture. Its 117 dB stated dynamic range supports premium positioning, while the 48-VFQFN package keeps the conversion stage compact. Correct implementation of the exposed pad, analog ground references, output filters, and digital clock routing remains essential for preserving the intended performance.
Рекомендуется
Automotive Audio System
The AK4468VN can support automotive and car-audio systems that require multiple synchronized digital-to-analog channels. Eight integrated outputs reduce the component count compared with a bank of discrete converters, while 32-bit operation and support for DSD512 and 768 kHz PCM provide substantial format flexibility. The listed operating-temperature range of -40 °C to +105 °C makes the device relevant to demanding equipment environments, although automotive qualification status is not confirmed in the supplied data. Designers must still account for automotive EMI, ground-offset, temperature, and supply requirements at the system level. The exposed-pad package needs careful thermal design, and the manufacturer’s recommended layout and application information should guide connector, filter, and grounding decisions.
Рекомендуется
Surround-Sound Receiver
The eight-channel output of the AK4468VN aligns naturally with the main signal paths of a surround-sound receiver. A single premium DAC can serve front, rear, center, and additional channels while accepting high-resolution PCM or DSD material from a home-theater decoder. The converter’s stated 117 dB dynamic range and VELVET SOUND technology position it for premium multichannel playback. In practice, the receiver must supply compatible digital audio streams and clocking, while each analog channel requires the filter and output network specified by the design. The compact 48-VFQFN footprint saves board area, but the exposed pad and analog ground arrangement should be implemented according to the manufacturer’s package drawing.
Рекомендуется
Professional Multi-Channel Audio
The AK4468VN can serve in professional monitoring, recording, or installation equipment where eight high-quality analog outputs are required from a digital audio source. Its 32-bit processing, 768 kHz PCM ceiling, DSD512 support, and 117 dB stated dynamic range are useful for wide-format conversion tasks. The part is not an analog output amplifier, so each channel still needs appropriate gain staging, filtering, grounding, and output routing. Designers should isolate the DAC’s sensitive analog section from switching supplies and digital clock aggressors, then validate the complete signal chain for channel-to-channel matching. The 48-VFQFN package enables compact multichannel hardware, provided its exposed pad receives the recommended thermal and electrical treatment.
Рекомендуется
Digital Recording and Playback
The AK4468VN is applicable to digital recording and playback equipment that converts high-resolution multichannel data into analog signals for downstream capture or amplification. Eight channels can support surround monitoring, immersive-audio workflows, or several synchronized outputs from one conversion package. The manufacturer’s 768 kHz PCM and DSD512 capabilities allow the device to sit behind a digital source capable of supplying those formats. Because the AK4468VN is a DAC rather than an ADC, true bidirectional recording would require a separate conversion component. Practical implementation depends on accurate clocking, low-noise supply design, proper analog filtering, and careful separation between digital switching activity and the eight analog outputs.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для AK4468VN — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Заметки по проектированию
Treat the exposed pad as an integral package feature rather than an optional copper area. Follow the manufacturer’s 48-VFQFN land pattern, via arrangement, and exposed-pad connection instructions. The supplied data does not provide a verified thermal resistance or maximum power figure, so thermal sizing should use the final PCB, copper, airflow, and loss assumptions confirmed in the datasheet and application guidance.
Keep the eight analog outputs away from clocks, high-speed digital routing, and switching-supply nodes. Use a continuous, low-impedance return structure that matches the manufacturer’s reference layout, and place the analog and digital return currents so they do not share a noisy path beneath the converter. Exact trace widths, spacing, via counts, and component placement must be taken from the recommended layout because those values are absent from the supplied search excerpts.
Plan digital clock and data routing as a timing-sensitive subsystem. Keep clock traces short, provide a continuous reference plane, avoid unnecessary stubs, and confirm that the source interface supports the selected 768 kHz PCM or DSD512 mode. The supplied snippets do not state the required MCLK ratio, supported master-clock frequencies, or allowed data formats, so these must be verified in the AK4468 datasheet before schematic or PCB sign-off.
Do not treat AK4430, AK4450, or AK4458VN as drop-in replacements merely because they are related premium DACs. The available search results establish only broad functional similarity for some parts and do not verify identical packages, pin assignments, clock interfaces, or electrical behavior. A substitution requires a complete AK4468-to-candidate pin and parameter comparison, followed by schematic, layout, and signal-integrity review.
Информация о соответствии
The supplied verified data does not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals compliance. The -40 °C to +105 °C operating range does not by itself establish AEC-Q100 qualification.
