Choose your country or region.

Image may be representation.
See specs for product details.

WM8721EDS

Manufacturer Part Number:
WM8721EDS
Manufacturer / Brand
WOLFSON
Part of Description:
WOLFSON SSOP20
Datasheets:
Lead Free Status / RoHS Status:
RoHS Compliant
Stock Condition:
New original, 6406 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

Inquiry Online

Please complete all required fields with your contact information.Click "SUBMIT REQUEST" we will contact you shortly by email. Or Email us: Info@IC-Components.com
Part Number
Manufacturer
Require Quantity
Target Price(USD)
Company Name
Contact Name
E-mail
Phone
Message
Please enter Verify Code and click "Submit"
Part Number WM8721EDS
Manufacturer / Brand WOLFSON
Stock Quantity 6406 pcs Stock
Category Integrated Circuits (ICs) > Specialized ICs
Description WOLFSON SSOP20
Lead Free Status / RoHS Status: RoHS Compliant
RFQ WM8721EDS Datasheets WM8721EDS Details PDF
WM8721EDS Details PDF for FR.pdf
WM8721EDS Details PDF for KR.pdf
WM8721EDS Details PDF for DE.pdf
WM8721EDS Details PDF for IT.pdf
WM8721EDS Details PDF for ES.pdf
Condition New Original Stock
Warranty 100% Perfect Functions
Lead Time 2-3days after payment.
Payment Credit Card / PayPal / Telegraphic Transfer (T/T) / Western Union
Shipping by DHL / Fedex / UPS / TNT
Port HongKong
RFQ Email Info@IC-Components.com

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.

QC(Part Testing by IC Components)Quality Warranty

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
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
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



We accept the payment terms: Telegraphic Transfer(T/T), Credit Card, PayPal and Western Union.

PayPal:

PayPal Bank Information:
Company Name : IC COMPONENTS LTD
Paypal ID: Info@IC-Components.com

BANK TRANSFAR (Telegraphic Transfer)

Payment For Telegraphic Transfers:
Company Name : IC COMPONENTS LTD Beneficiary Account Number : 549-100669-701
Beneficiary Bank name : Bank of Communications (Hong Kong) Ltd Beneficiary Bank Code : 382 (for local payment)
Beneficiary Bank SWIFT : COMMHKHK
Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

Any inquires or questions, please kindly contact us Email: Info@IC-Components.com


WM8721EDS Product Details:

The Wolfson WM8721EDS is a specialized integrated circuit designed for audio processing applications, specifically targeting high-quality digital-to-analog conversion in professional and consumer audio equipment. This compact SSOP20 (Shrink Small Outline Package) IC represents a sophisticated audio codec solution that addresses critical design challenges in sound reproduction and signal processing.

As a precision audio conversion component, the WM8721EDS offers exceptional performance characteristics ideal for implementing high-fidelity audio interfaces in various electronic devices. Its specialized design enables efficient digital audio signal management, providing manufacturers with a reliable solution for converting digital audio streams into high-quality analog output.

The integrated circuit is engineered to support multiple audio applications, including professional sound systems, digital audio workstations, home entertainment systems, and portable audio devices. Its compact form factor and advanced signal processing capabilities make it particularly attractive for designers seeking to optimize audio quality while maintaining compact device architectures.

Key advantages of the WM8721EDS include its robust signal-to-noise ratio, low distortion performance, and efficient power consumption. The component is designed to deliver clean, precise audio reproduction across diverse operating environments, making it a versatile solution for audio engineering challenges.

Potential equivalent or alternative models in the same product category include similar audio codec ICs from manufacturers like Cirrus Logic, Texas Instruments, and Analog Devices. Specific comparable models might include the CS4344 CS4344 CS4344 CIRRUS CS4344 CIRRUS MSOP 90422 , PCM1794, and AD1955, which offer similar digital-to-analog conversion capabilities.

The component's compatibility with various digital audio interfaces and its ability to handle multiple sampling rates further enhance its utility across different audio system designs. Its specialized nature makes it particularly valuable in professional audio equipment, high-end consumer electronics, and precision sound reproduction applications.

WM8721EDS Key Technical Attributes

Manufacturer: WOLFSON

Manufacturer Part Number: WM8721EDS

Package: SSOP20

WM8721EDS Packing Size

The WM8721EDS is supplied in a SSOP20 (Shrink Small Outline Package), which is a compact and space-saving, surface-mount plastic package. The SSOP20 features 20 pins in a tight configuration, ideal for high-density PCB layouts and applications requiring minimized footprint. The material used is reliable molded plastic, ensuring durability and robust mechanical strength. Its electrical and thermal properties are designed for consistent performance under standard ambient conditions. Pin configuration and layout facilitate straightforward integration into a wide range of circuit board designs.

WM8721EDS Application

The WM8721EDS is widely used in consumer, professional, and industrial audio electronics requiring high-fidelity digital-to-analog conversion. Common applications include multimedia systems, headphones, digital audio players, home entertainment systems, sound cards, and other specialized audio equipment. It is particularly suitable for projects demanding superior digital audio output with low noise and distortion.

WM8721EDS Features

The WM8721EDS integrates a high-performance stereo DAC (Digital-to-Analog Converter) with advanced digital interpolation and delta-sigma conversion techniques, delivering excellent audio clarity and low total harmonic distortion. It supports multiple digital audio data formats, such as I²S, left-justified, and right-justified, providing versatility for a broad range of system configurations. The device incorporates a flexible audio data interface with adjustable word lengths, supporting up to 24-bit audio input. Integrated digital de-emphasis, mute, and volume control functions further enrich its utility for sophisticated audio designs. Low power consumption and built-in power-down mode make the WM8721EDS ideal for portable and battery-powered devices. Comprehensive on-chip filtering and noise suppression mechanisms ensure consistent and high-quality analog output.

WM8721EDS Quality and Safety Features

The WM8721EDS adheres to rigorous manufacturing standards by WOLFSON, ensuring reliable performance and operational stability. It is built using advanced semiconductor processes, reducing the likelihood of early-life failures. The encased SSOP20 package provides atmospheric protection, and the device exhibits robust ESD (electrostatic discharge) tolerance, enhancing circuit safety during handling and assembly. Manufacturing traceability is ensured via DateCode identification (03+), and every component undergoes extensive quality checks before shipment.

WM8721EDS Compatibility

Designed for seamless integration into diverse digital audio platforms, the WM8721EDS is compatible with a wide range of microcontrollers, digital signal processors, and other audio ICs. Its standard digital audio input protocols allow for easy connection to both modern and legacy system designs. The WM8721EDS is also supported by numerous reference designs and application notes, reducing development effort and ensuring design compatibility across multiple system architectures.

WM8721EDS Datasheet PDF

For your in-depth technical requirements, our website offers the most authoritative and up-to-date datasheet for the WM8721EDS. We strongly recommend downloading the official datasheet directly from this page to access comprehensive performance data, pin assignments, block diagrams, and detailed application guidelines.

Quality Distributor

IC-Components is your trusted premium distributor of WOLFSON products. We ensure that every WM8721EDS is authentic and sourced directly from the manufacturer’s authorized channels. Take advantage of our global inventory and excellent logistics to secure your WM8721EDS at competitive prices. Visit our website now to request a quote and experience professional, reliable service for all your electronic component requirements!

Frequently Asked Questions

Can the WM8721EDS be used in a 3.3V system without external level shifting on its digital control interface?
The WM8721EDS supports a digital interface supply voltage (DVDD) range of 2.7V to 3.6V, making it directly compatible with 3.3V logic levels. No external level shifting is required when interfacing with standard 3.3V microcontrollers or DSPs, provided signal integrity and timing requirements are met.
What are the critical layout considerations when designing a PCB for the WM8721EDS in an SSOP20 package?
Due to the WM8721EDS’s mixed-signal nature and SSOP20 footprint, maintain strict separation between analog and digital ground planes, connect them at a single point near the device, and place decoupling capacitors (100nF ceramic) as close as possible to each power pin. Avoid routing high-speed digital traces near analog input/output pins to minimize crosstalk.
Is the WM8721EDS suitable for battery-powered audio applications requiring low power consumption?
Yes, the WM8721EDS features low power consumption—typically under 20mW during normal operation—and supports power-down modes, making it well-suited for portable or battery-powered audio systems such as wireless headsets or handheld recording devices.
Can the WM8721EDS replace a Cirrus Logic CS42L52 in an existing design without hardware modifications?
Direct replacement is not recommended due to differences in pinout, register map, and power supply sequencing. While both are stereo audio codecs, the WM8721EDS uses a different I²S/left-justified interface configuration and lacks some of the CS42L52’s integrated features like microphone bias and headphone amp. A redesign of firmware and possibly hardware would be necessary.
What clocking options are supported by the WM8721EDS, and can it operate from a 12.288 MHz master clock?
The WM8721EDS accepts external master clocks from 1 MHz to 36.864 MHz and supports standard audio sampling rates via internal PLL or direct clocking. A 12.288 MHz master clock is fully supported and yields exact 48 kHz sample rates without fractional division, minimizing jitter and simplifying system clock architecture.
Are there known long-term reliability concerns with the WM8721EDS in industrial temperature environments?
The WM8721EDS is rated for commercial temperature range (0°C to 70°C), not industrial grade. Prolonged operation outside this range—especially above 70°C—may degrade performance or lead to premature failure. For industrial applications, consider qualified alternatives with extended temperature ratings or implement thermal management.
How does the WM8721EDS handle power supply sequencing, and what happens if AVDD is applied before DVDD?
The WM8721EDS does not require strict power sequencing, but best practice is to apply DVDD before or simultaneously with AVDD to avoid potential latch-up or undefined states. If AVDD is applied first, ensure that digital input pins do not exceed DVDD + 0.3V to prevent damage to the ESD protection diodes.
Can the WM8721EDS be used in a multi-codec daisy-chain configuration for multi-channel audio?
No, the WM8721EDS does not support daisy-chaining or TDM (Time Division Multiplexing) modes. It is designed for stereo operation only. For multi-channel systems, each WM8721EDS requires a separate data line or a multiplexer, increasing system complexity compared to codecs with TDM support.
What should I consider when migrating from an older Wolfson codec like the WM8740 to the WM8721EDS?
The WM8721EDS offers improved SNR and lower power than the WM8740 but uses a different register set and control interface (I²C vs. SPI in some WM8740 variants). Firmware must be rewritten, and attention should be paid to clocking scheme compatibility—the WM8721EDS has a more flexible PLL but different divider ratios.
Is the WM8721EDS still recommended for new designs given its DateCode of 03+ and potential obsolescence?
With a DateCode of 03+ and no recent updates from Wolfson (now Cirrus Logic), the WM8721EDS is considered mature and potentially nearing end-of-life. For new designs, evaluate newer alternatives like the CS42L42 or WM8960 for better support, enhanced features, and longer supply assurance—though the WM8721EDS remains viable for legacy-compatible or low-risk applications.

Recent Reviews

Leave Comment
Hello, you have not logged in, please log in
User Login

Forgot password?

No account yet? Register now

Tips
Please speak legally
Your email will be hidden
Please complete all required fields ( denoted with* )
Mark
5.0

You May Also Be Interested In:


WM8721EDS

WOLFSON

WOLFSON SSOP20

In Stock: 6406

Submit RFQ