WM8742GEDS/V - 24-Bit 192kHz Stereo DAC | Cirrus Logic
Артикул: WM8742GEDS/V ✓ АктивенWM8742GEDS/V Обзор
An audio DAC is a signal-conversion semiconductor that transforms digital PCM or DSD audio samples into analog left- and right-channel voltages. Within the broader integrated-circuit hierarchy, the WM8742 belongs to the ADC/DAC class, operates as an audio data converter, and ultimately supports digital audio playback and signal-chain reconstruction. Its dual-channel architecture provides one analog output channel for each stereo signal while accepting a common digital audio stream.
The WM8742’s principal features include 24-bit resolution, operation up to 192kHz, support for 16-bit through 32-bit PCM input, DSD compatibility, advanced digital filtering, and selectable serial-control and hardware-control schemes. The 2/3-wire serial interface provides access to device features, while the hardware interface permits control of a defined subset of functions. These capabilities provide flexibility when pairing the converter with a digital audio processor, receiver, or source device.
The WM8742GEDS/V is offered in a 28-SSOP measuring approximately 0.209 inches, or 5.30mm, in width. The manufacturer documentation states that this package is pin compatible with the WM8740 and WM8741, which can simplify board-level family transitions when register behavior, feature requirements, and performance targets are appropriately matched. The serial interface also makes the converter suitable for systems where a compact, multiwire digital connection is preferable to a parallel data bus.
Typical applications include professional recording systems, A/V receivers, CD and DVD players, and high-specification home-theater equipment. These systems benefit from the combination of high-resolution PCM support, 192kHz operation, DSD handling, and advanced filtering. In each application, the DAC converts the source device’s digital stream into the analog line-level signals required by subsequent amplifiers, mixers, or output stages.
Designers should verify the digital audio interface format, supported master-clock arrangement, analog output implementation, and required bypass components against the manufacturer datasheet before layout. The 28-SSOP footprint demands careful decoupling and short analog routing, while software configuration must match the selected PCM or DSD operating mode to avoid format or clocking errors.
This product page organizes the WM8742GEDS/V’s core specifications, family drop-in options, application guidance, package information, and design considerations into a practical engineering reference. It also distinguishes pin-compatible alternatives by documented feature differences, helping designers make informed replacement decisions without confusing electrical compatibility with complete functional equivalence.
Аналоги без доработки для WM8742GEDS/V — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с WM8742GEDS/V (тот же форм-фактор и посадочное место).
WM8741GEDS/V
✅ Прямая заменаУточнить цену
Открыть даташит →WM8740SEDS
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
WM8742GEDS/V Максимальные параметры и электрические характеристики
| Product Type | Stereo audio digital-to-analog converter (DAC) |
| Audio Resolution | 24 bit |
| Maximum Sampling Rate | 192kHz |
| Minimum PCM Input Word Length | 16 bit |
| Maximum PCM Input Word Length | 32 bit |
| Channel Configuration | 2 channels, stereo |
| Supported Digital Audio Formats | PCM and DSD |
| DSD Support Modes | Direct DSD and PCM-converted DSD |
| Digital Filtering | Advanced digital filtering |
| Digital Control Interface | 2/3-wire serial interface |
| Hardware Control Interface | Supported for a defined range of device features |
| Package Type | 28-SSOP |
| Package Width | 5.30mm (0.209 inch) |
| Тип монтажа | Surface mount |
Руководство по цоколевке WM8742GEDS/V в корпусе 5.30mm (0.209 inch)
Цоколевка для WM8742GEDS/V (корпус 5.30mm (0.209 inch)). 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 WM8742GEDS/V.
Обратитесь к даташиту для полной конфигурации выводов.
Типичное применение
WM8742GEDS/V подходит для 6 применениеs: Professional Recording System, A/V Receiver, High-Resolution CD and DVD Player, Home-Theater Audio System, Digital Music Player, Two-Channel Audio Monitor System.
Professional Recording System
The WM8742GEDS/V fits professional recording equipment that requires high-resolution stereo reconstruction at sample rates up to 192kHz. Its 24-bit conversion resolution supports detailed PCM playback, while direct DSD and PCM-converted DSD modes broaden compatibility with contemporary source systems. The 2/3-wire serial control interface allows the DAC to share board space with an audio processor, clock generator, and output amplifier. Because the converter uses a 28-SSOP package, the analog and digital sections require disciplined layout, short clock and data paths, and verified bypass arrangements. The manufacturer specifically identifies professional recording systems as an intended application, making the WM8742 suitable where channel count, supported formats, and control behavior can be validated against the complete signal chain.
Рекомендуется
A/V Receiver
The WM8742GEDS/V is a practical choice for an A/V receiver that must decode high-resolution PCM and support DSD source material. The converter provides 24-bit resolution, operation up to 192kHz, and advanced digital filtering in a surface-mount 28-SSOP package. In a receiver, it can sit between the digital-audio processor and the stereo output stage, with the source format and sample-rate configuration communicated through the serial interface. Its documented support for direct DSD and PCM-converted DSD allows the receiver architecture to accommodate players using either DSD delivery method. Clocking, supported master-clock modes, output scaling, and the receiver’s digital routing must be checked against the manufacturer datasheet before the converter is selected for a new board.
Рекомендуется
High-Resolution CD and DVD Player
The WM8742GEDS/V targets the digital-to-analog conversion stage of high-specification CD, DVD, and home-theater systems. Its support for 16-to-32-bit PCM input accommodates conventional digital-audio sources, while the 192kHz maximum sampling rate allows compatible high-resolution streams to be processed without conversion to a lower rate. Advanced digital filtering gives the system designer access to filtering behavior suited to different source and output requirements. The converter should be placed after the player’s digital-audio demux or processor, with its analog outputs feeding the appropriate line-level amplification stage. Firmware must configure the correct serial format, sample rate, word length, filter mode, and channel mapping, while the PCB should isolate digital clocking energy from the sensitive analog output paths.
Рекомендуется
Home-Theater Audio System
The WM8742GEDS/V is well aligned with a high-specification home-theater system that requires a clean stereo conversion stage between digital sources and amplifiers. The 24-bit, 192kHz architecture preserves high-resolution PCM detail, and DSD support provides compatibility with source devices that deliver DSD over a compatible digital link. In a home-theater design, the DAC can provide two analog channels for a stereo zone or feed a surround amplifier when the surrounding signal path is appropriately configured. The 2/3-wire serial interface simplifies register control from a main processor, while the hardware-control option supports simpler designs. System integrators should verify clock interoperability, output reference levels, digital-filter settings, and the exact firmware behavior before replacing an existing converter.
Рекомендуется
Digital Music Player
The WM8742GEDS/V can serve as the stereo output converter in a dedicated digital music player that accepts high-resolution PCM or DSD streams. Its 24-bit conversion and 192kHz capability suit source formats delivered without reducing their sampling rate, while the compact 28-SSOP package fits within a board layout that also contains USB or network audio interfaces, a clock source, and an analog output amplifier. The converter’s flexible control architecture lets the player’s embedded processor select filters, operating modes, and digital-audio parameters through the serial interface. Designers should use a stable, low-jitter clock arrangement, maintain short digital routes, and isolate the analog output section. Product firmware should also prevent unsupported clock-rate or data-width combinations from being selected.
Рекомендуется
Two-Channel Audio Monitor System
The WM8742GEDS/V can be used in a two-channel monitoring or powered-speaker system that requires conversion from digital audio to analog line-level signals before amplification. Its 24-bit architecture supports high-resolution playback, and the manufacturer’s advanced digital-filtering capability provides implementation flexibility for different source bandwidths and system preferences. The converter’s 2/3-wire control interface permits volume, filter, and mode configuration from a system controller without a wide parallel bus. In a monitor product, the analog outputs should connect to a low-noise amplifier stage, with balanced or unbalanced routing selected according to the product architecture. PCB implementation should prioritize clean analog return paths, adequate bypass capacitance, controlled digital clock routing, and verified output level matching to avoid gain-structure errors.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для WM8742GEDS/V — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | WM8741GEDS/V | WM8740SEDS |
|---|---|---|---|
| Brand | Cirrus Logic | Cirrus Logic | Cirrus Logic |
| Package | 28-SSOP | 28-SSOP - pin compatible | 28-SSOP - pin compatible |
| Product Type | Stereo audio DAC | Stereo audio DAC | Stereo audio DAC |
Ключевые отличия
- Higher signal-to-noise performance in the closest family alternative (против WM8741GEDS/V)
- Retains advanced filtering and anti-clipping functionality (против WM8740SEDS)
- Broad high-resolution digital-audio format support (против WM8740SEDS)
Заметки по проектированию
Place the required input, output, and bypass capacitors directly beside their associated pins, following the manufacturer’s recommended layout and component values. Keep digital clock and data traces away from the analog outputs and use a quiet ground strategy so switching current from the digital section does not flow through sensitive analog return paths. Treat the 28-SSOP footprint as a high-speed mixed-signal layout even though the converter uses a serial interface.
Use the manufacturer’s supported master-clock and serial-interface arrangements without adding an undocumented clock conversion stage. Verify data width, sample rate, bit ordering, and left/right channel mapping in firmware before enabling analog outputs. Clock jitter, source-device format mismatches, or incorrect serial-word structure can produce audible artifacts even when every device is operating within its nominal electrical limits.
Do not treat a pin-compatible part as automatically register-compatible. The WM8741 and WM8740 are documented family alternatives, but the WM8740 lacks switchable digital filters and anti-clipping mode, while the WM8741 differs in signal-to-noise performance. Before substitution, compare the control-register implementation, clock requirements, filter behavior, analog output expectations, and system-level initialization sequence in the relevant datasheets.
Route digital control, clock, and data signals on the quiet side of the PCB where practical, and terminate or control clock edges close to their intended source and receiver. Keep the analog outputs short and symmetric where channel matching matters, and avoid placing digital routing beneath the analog output network. Confirm ground and power-plane arrangements against the manufacturer’s recommended schematic and layout guidance before fabrication.
Информация о соответствии
No explicit RoHS, REACH, lead-free, halogen-free, or conflict-minerals declarations were identified for this exact MPN. AEC-Q100 is not applicable because the WM8742GEDS/V is an audio converter IC rather than an automotive-qualified component.