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Home > Products > Integrated Circuits (ICs) > Interface - CODECS > WM8731SEDS/V
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WM8731SEDS/V

In Stock 7227 pcs Reference Price(In US Dollars)
1+
$5.3425
Manufacturer Part Number:
WM8731SEDS/V
Manufacturer / Brand
Cirrus Logic Inc.
Part of Description:
IC CODEC PORT INTERNET 28SSOP
Datasheets:
WM8731SEDS/V(1).pdfWM8731SEDS/V(2).pdfWM8731SEDS/V(3).pdf
Lead Free Status / RoHS Status:
RoHS Compliant
Stock Condition:
New original, 7227 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number WM8731SEDS/V
Manufacturer / Brand Cirrus Logic Inc.
Stock Quantity 7227 pcs Stock
Category Integrated Circuits (ICs) > Interface - CODECS
Description IC CODEC PORT INTERNET 28SSOP
Lead Free Status / RoHS Status: RoHS Compliant
Voltage - Supply, Digital 1.42V ~ 3.6V
Voltage - Supply, Analog 2.7V ~ 3.6V
Type Audio
Supplier Device Package 28-SSOP
Sigma Delta Yes
Series -
S/N Ratio, ADCs / DACs (db) Typ 90 / 100
Resolution (Bits) 24 b
Package / Case 28-SSOP (0.209", 5.30mm Width)
Package Tube
Operating Temperature -40°C ~ 85°C
Number of ADCs / DACs 2 / 2
Mounting Type Surface Mount
Dynamic Range, ADCs / DACs (db) Typ 90 / 95
Data Interface Serial
Base Product Number WM8731

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

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Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
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WM8731SEDS/V Product Details:

The Cirrus Logic WM8731SEDS/V is a sophisticated audio codec integrated circuit designed for industrial control applications, specifically targeting panel meters and hour meter systems. This high-performance device offers advanced audio signal processing capabilities with a compact 28-SSOP package, making it ideal for space-constrained electronic designs.

At its core, the WM8731 WM8731 WM8731 WOLFSON WM8731 WOLFSON QFN 10526 provides exceptional audio performance with 24-bit resolution and impressive signal-to-noise ratios of 90 dB for ADCs and 100 dB for DACs. The codec supports dual analog-to-digital and digital-to-analog conversion channels, enabling versatile audio signal management across various industrial and embedded systems.

The device operates across a wide temperature range of -40°C to 85°C, ensuring reliable performance in challenging environmental conditions. Its flexible power requirements, with analog supply voltage between 2.7V and 3.6V and digital supply voltage ranging from 1.42V to 3.6V, enhance its adaptability across different electronic platforms.

Key advantages include its sigma-delta conversion technology, serial data interface, and surface mount design, which facilitate easy integration into complex electronic systems. The codec is RoHS compliant, meeting contemporary environmental and regulatory standards for electronic components.

Potential application areas encompass industrial control systems, professional audio equipment, telecommunications infrastructure, automotive electronics, and embedded multimedia devices. Its robust design and high-performance specifications make it suitable for applications requiring precise audio signal processing and conversion.

While direct equivalent models are not explicitly listed, similar Cirrus Logic codec solutions or comparable offerings from manufacturers like Texas Instruments and Analog Devices might provide alternative options for specific design requirements.

WM8731SEDS/V Key Technical Attributes

WM8731SEDS/V

28-SSOP Package

WM8731SEDS/V Packing Size

Package Type: 28-SSOP (Shrink Small Outline Package), also identified as 0.209" (5.30mm Width)

Material: High-quality RoHS compliant plastic matte finish; anti-static tube supplied for transit protection

Pin Configuration: 28 pins arranged in standard SSOP formation for optimal PCB integration

Thermal Characteristics: Supports a Temperature Range of -40°C to +85°C, ensuring reliable performance in harsh environments

Electrical Properties: Analog supply voltage range of 2.7V to 3.6V; digital supply voltage supported from 1.42V to 3.6V

WM8731SEDS/V Application

Ideally suited for use in industrial control systems, digital audio devices, and sophisticated panel meters such as counters and hour meters. Its surface mount design supports compact layout in modern electronic assemblies for both industrial and consumer electronics that require high-fidelity audio conversion and signal processing.

WM8731SEDS/V Features

The WM8731SEDS/V audio codec features a 24-bit resolution, ensuring professional-grade audio quality with ultra-low distortion and high fidelity. Equipped with both ADC and DAC (2 channels each), it delivers dynamic ranges of 90 dB (ADC) and up to 95 dB (DAC), providing high-performance stereo input and output for audio recording and playback. The device leverages advanced Sigma-Delta modulation for superior noise suppression and audio clarity, and supports serial data interfaces for seamless connection with various microcontrollers and DSPs. Its compact 28-SSOP surface-mount package allows easy integration into densely packed designs. The IC is RoHS compliant, ensuring environmental responsibility and meeting global safety standards. With an operating temperature spanning from -40°C to +85°C, it is well suited for use in both industrial and demanding environmental conditions.

WM8731SEDS/V Quality and Safety Features

Manufactured to RoHS compliance, the WM8731SEDS/V guarantees reduced hazardous material content, promoting device safety and eco-friendliness. It is designed for robust performance across industrial temperature ranges, and the anti-static packaging reduces risks of ESD damage during handling and assembly. Stringent quality control measures at the factory level ensure consistent reliability and longevity in field deployments.

WM8731SEDS/V Compatibility

The WM8731SEDS/V is fully compatible with audio and industrial control systems requiring a 24-bit audio codec. It works seamlessly with most microprocessors and DSPs through its standard serial data interface, and fits easily onto typical SSOP-configured PCBs. Suitable as a drop-in replacement or upgrade part, its supply voltage flexibility (2.7–3.6V analog, 1.42–3.6V digital) allows compatibility with a wide range of existing circuit designs.

WM8731SEDS/V Datasheet PDF

Our website provides the most authoritative and up-to-date datasheet for the WM8731SEDS/V model. For comprehensive technical details, performance charts, and recommended application circuits, we strongly recommend downloading the official datasheet directly from this page to ensure you have the best resources for successful design and implementation.

Quality Distributor

IC-Components is your trusted premium distributor for Cirrus Logic components, including the WM8731SEDS/V and a broad range of audio processing ICs. We pride ourselves on providing only authorized, genuine parts with superior levels of service and support. Visit our website today to request a quote and experience our fast, reliable procurement solutions for all your electronic component needs!

Frequently Asked Questions

When considering the WM8731SEDS/V for an embedded audio application requiring low power consumption, how does its analog and digital supply voltage range (2.7V-3.6V analog, 1.42V-3.6V digital) influence the selection of the power management IC and potential voltage sequencing challenges in a complex system?
The WM8731SEDS/V's specified supply voltages necessitate careful power management design. For the analog supply (2.7V-3.6V), a regulated supply within this window is crucial for optimal performance. The digital supply's lower minimum (1.42V) allows for greater flexibility when interfacing with modern, lower-voltage microcontrollers, potentially simplifying digital rail design. However, designers must ensure proper voltage sequencing during power-up to avoid exceeding the maximum specified voltage for the digital core of the WM8731SEDS/V, especially if the digital supply is derived from a higher voltage source. The difference in minimum voltages between analog and digital supplies means that separate voltage regulators or careful management of a single, higher voltage rail might be required, adding complexity to the power supply subsystem of any design incorporating the WM8731SEDS/V.
For designers migrating from an older audio codec like the WM8731, what are the critical parametric differences and potential pin-compatibility issues to be aware of when evaluating the WM8731SEDS/V for a board redesign, and are there any implicit performance trade-offs?
While both are based on the WM8731, the WM8731SEDS/V is a specific variant within the family. When migrating from a non-SEDS version or an older iteration of the WM8731, it's essential to verify the exact specifications, particularly in areas like signal-to-noise ratio (SNR) and dynamic range, which are specified as 90/100 dB for ADCs/DACs and 90/95 dB for ADCs/DACs respectively for the WM8731SEDS/V. Although the 28-SSOP package and serial data interface are likely to be consistent, a direct pin-to-pin replacement is not guaranteed without a thorough cross-reference. Subtle differences in internal clocking requirements, configuration register maps, or peripheral behavior might necessitate firmware updates or minor PCB layout adjustments for the WM8731SEDS/V. Designers should consult the specific datasheet for the WM8731SEDS/V for the most accurate comparison and to identify any implicit performance trade-offs or improvements compared to older WM8731 part numbers.
In an industrial control panel meter application requiring robust operation, what are the implications of the WM8731SEDS/V's operating temperature range of -40°C to 85°C on component selection for surrounding circuitry and PCB design to ensure long-term reliability under demanding environmental conditions?
The -40°C to 85°C operating temperature range of the WM8731SEDS/V indicates its suitability for industrial applications. This broad range necessitates that all passive components (resistors, capacitors) and other active ICs on the PCB also meet or exceed this temperature specification to avoid premature failure or performance degradation. Furthermore, the PCB layout should consider thermal management. High-current traces should be minimized, and sufficient copper pours should be used to dissipate heat. In environments prone to condensation or extreme humidity, conformal coating of the assembled PCB might be advisable to protect the WM8731SEDS/V and other components from moisture ingress and potential corrosion, especially given its surface-mount package.
For a system requiring both analog-to-digital and digital-to-analog audio conversion, how does the dual ADC/dual DAC architecture of the WM8731SEDS/V, with 24-bit resolution, impact the complexity of the serial data interface configuration and the potential for synchronization issues between audio streams?
The dual ADC and dual DAC architecture of the WM8731SEDS/V means that two separate audio input channels and two separate audio output channels can be processed simultaneously. This requires careful configuration of the serial data interface (e.g., I2S, left-justified) to correctly address and synchronize data for each channel. The 24-bit resolution implies that the data bus width will be at least 24 bits, or often 32 bits with padding, affecting the clocking and timing requirements of the serial interface. Designers must ensure their microcontroller or DSP has sufficient processing power and appropriate peripherals to handle the data rate and manage the potential for synchronization drift between the input and output streams, especially if independent clocking mechanisms are used for the ADCs and DACs, though this is less common with integrated codecs like the WM8731SEDS/V which typically share a master clock.
When evaluating the WM8731SEDS/V as a potential replacement for other audio codecs in consumer electronics, what are the key trade-offs in terms of SNR, dynamic range (90/100 dB ADC, 90/95 dB DAC), and power consumption that might affect audio quality and battery life compared to, for example, parts from Texas Instruments or Analog Devices?
When considering the WM8731SEDS/V as a replacement, its specified SNR and dynamic range (90 dB for ADCs, 100 dB for DACs, and 90 dB for ADCs, 95 dB for DACs respectively) provide a solid baseline for many audio applications. However, compared to higher-end or specialized codecs from manufacturers like Texas Instruments or Analog Devices, the WM8731SEDS/V might exhibit slightly lower performance in absolute SNR or dynamic range figures, which could be noticeable in critical audiophile applications. The trade-off is often in cost and power consumption. The WM8731SEDS/V, with its industrial operating temperature range and generally good power efficiency for its class, might offer a better overall cost-benefit for applications where extreme audio fidelity is not the primary concern, but robust operation and reasonable power draw are essential. Designers should perform listening tests or detailed signal chain analysis to quantify the audible difference if replacing a codec with significantly higher specified performance.
For systems requiring a high signal-to-noise ratio, such as professional audio interfaces, are the typical 90 dB (ADC) and 100 dB (DAC) performance figures of the WM8731SEDS/V sufficient, or would this component likely require external analog front-end amplification and filtering stages to meet professional audio standards?
The WM8731SEDS/V's specified SNR of 90 dB for ADCs and 100 dB for DACs is generally considered good for many consumer and moderate professional audio applications. However, for true professional audio standards that often demand SNR figures well exceeding 100-110 dB (unweighted or weighted), the WM8731SEDS/V might be insufficient on its own. To achieve such higher performance levels, external analog front-end circuitry, including low-noise preamplifiers for the ADC inputs and high-quality output buffers for the DACs, would likely be necessary. Additionally, careful PCB layout to minimize noise coupling and the use of high-quality external components for its supporting circuitry would be paramount when pushing the WM8731SEDS/V towards its performance limits in professional audio contexts.
In a scenario where a device needs to process multiple independent audio streams simultaneously, and one stream is significantly lower in amplitude than others, how would the WM8731SEDS/V's dynamic range capabilities and internal gain control, if any, handle such a situation without introducing significant noise or distortion to the quieter channel?
The WM8731SEDS/V offers a dynamic range of 90 dB for its ADCs and 95 dB for its DACs. This range indicates its ability to handle both quiet and loud signals. For a scenario with significantly different amplitude streams, the system designer must utilize the programmable gain amplifiers (PGAs) within the WM8731SEDS/V effectively. For the quieter stream, a higher gain setting on the ADC input would be necessary to ensure it doesn't fall below the noise floor of the converter. Conversely, if a loud signal could saturate the ADC, the gain would need to be reduced. The key challenge is to achieve sufficient gain for the weak signal without amplifying noise from the source or introducing distortion due to exceeding the codec's linear operating range. The dual ADC/DAC architecture allows for independent gain control per channel, which is crucial for managing disparate signal levels. Accurate configuration of these gain settings via the serial interface is vital for optimal performance.
Considering the RoHS compliance of the WM8731SEDS/V and its suitability for industrial controls, what are the typical component sourcing considerations for a bill of materials (BOM) that includes this part, and are there any known long-lead time components or alternative suppliers that engineers should be aware of to mitigate supply chain risks for the WM8731SEDS/V?
The WM8731SEDS/V, being RoHS compliant, integrates well into modern industrial control systems. When building a BOM around this part, standard electronic component sourcing practices apply. However, given the current global supply chain dynamics, it's prudent for engineers to identify at least one alternative supplier for the WM8731SEDS/V, even if quantities are relatively high (like the listed 1000). Checking lead times from primary distributors like Digi-Key, Mouser, or Avnet for the WM8731SEDS/V is crucial. It's also wise to investigate if other Cirrus Logic parts offer similar functionality with potentially better availability or if comparable codecs from competing manufacturers (though direct drop-in replacements might be rare) could serve as a fallback, thus mitigating long-lead time risks.
For applications requiring the WM8731SEDS/V to operate in environments with significant electrical noise, such as in close proximity to high-power switching or motor drives, what are the critical PCB layout considerations and shielding techniques that engineers should employ to maintain the specified audio performance and prevent interference with other sensitive circuitry?
To maintain the specified audio performance of the WM8731SEDS/V in noisy industrial environments, rigorous PCB layout practices are essential. A clean ground plane is paramount, ideally a solid copper pour that separates analog and digital grounds as recommended by the WM8731SEDS/V datasheet, with a single-point connection between them. Analog signal traces should be kept short, routed away from noisy digital lines and power traces, and shielded with ground traces where necessary. Decoupling capacitors for the analog and digital supply pins of the WM8731SEDS/V must be placed as close as possible to the IC to filter out high-frequency noise. Consideration should be given to the physical placement of the WM8731SEDS/V on the board, away from major noise sources. If interference remains a concern, a metal shield enclosure over the WM8731SEDS/V and its surrounding analog circuitry could provide an additional layer of protection against electromagnetic interference (EMI).
When integrating the WM8731SEDS/V into a product designed for extended operational life, such as in remote sensing equipment or industrial instrumentation, what are the reliability considerations related to its surface-mount 28-SSOP package and the operating temperature range of -40°C to 85°C, and are there any specific solder joint recommendations or lifecycle testing insights?
The WM8731SEDS/V, in its surface-mount 28-SSOP package and with an operating temperature range of -40°C to 85°C, is designed for industrial use, implying a level of reliability for extended operation. However, surface-mount solder joints are susceptible to thermal cycling stress. For applications with frequent or wide temperature swings, ensuring robust solder joint formation during manufacturing is critical. Using a high-quality solder paste and adhering to recommended reflow profiles specified by the solder paste manufacturer and the WM8731SEDS/V datasheet is important. For applications demanding extremely long operational life and subject to significant thermal stress, consider implementing design margins beyond the nominal specifications, such as ensuring the actual operating temperature remains well within the -40°C to 85°C limits. Accelerated life testing simulating expected thermal cycles and humidity exposure would be beneficial to validate the long-term reliability of the WM8731SEDS/V and the overall product design.

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