WM8728EDS

Product Overview

WM8728EDS is a Wolfson Microelectronics high-performance 24-bit stereo digital-to-analog converter (DAC) designed for high-quality digital audio applications. The device supports PCM audio data with sampling rates up to 192kHz and includes DSD-compatible operation, digital interpolation filters, multi-bit sigma-delta modulators and integrated digital volume control. Packaged in a 20-pin SSOP package, WM8728EDS provides excellent audio performance and flexible interface options for DVD players, home theater systems, digital TVs and professional audio equipment.

Key Features

• Manufacturer: Wolfson Microelectronics

• Part Number: WM8728EDS

• Device Type: Stereo Digital-to-Analog Converter (DAC)

• Product Category: Audio Converter IC

• DAC Resolution: 24-bit

• Number of Channels: Stereo (2 Channels)

• Maximum Sampling Rate: 192kHz

• Audio Format Support: PCM and DSD Compatible

• PCM Input Word Length: 16-bit to 32-bit

• Digital Audio Interface: I2S / Left Justified / Right Justified / DSP Mode

• Control Interface: 2-wire or 3-wire serial control interface

• DAC Architecture: Multi-bit Sigma-Delta Modulator

• Digital Processing: Integrated interpolation filter

• Signal-to-Noise Ratio: 106dB typical

• Total Harmonic Distortion: Approximately -97dB

• Digital Volume Control: Independent left/right channel attenuation control

• Volume Control Range: 127.5dB with 0.5dB steps

• Mute Function: Digital mute and attenuation control

• De-emphasis Function: Supported

• Supply Voltage: 3.0V to 5.5V

• Power Supply Type: Dual analog/digital supply architecture

• Operating Temperature: -25°C to +85°C

• Package Type: SSOP-20

• Package Form: 20-lead Small Outline Package

• Mounting Type: Surface Mount

• Moisture Sensitivity Level: MSL1

• Application: High-quality digital audio conversion

• Typical Applications: DVD players, AV receivers, home theater systems, digital TVs, broadcast receivers and audio equipment

• Lifecycle Status: Legacy / discontinued Wolfson audio product family

• Ordering / Packaging Note: Verify package suffix, date code, manufacturer marking and authenticity before procurement.

Applications

WM8728EDS is designed for consumer and professional audio systems requiring high-resolution digital audio conversion. Typical applications include DVD-Audio players, universal disc players, AV receivers, digital televisions, digital broadcast equipment and high-end multimedia systems. 

Quality & Sourcing

Antrex Electronics can support WM8728EDS sourcing with stock verification, RFQ quotation, package inspection, marking verification, date code review and shipment arrangement. Customers should confirm package type, audio interface compatibility and system requirements before procurement.

Quality support can include visual inspection, authenticity verification, electrical testing coordination and third-party inspection when required. Audio equipment manufacturers, repair centers, industrial electronics suppliers and electronic component buyers are welcome to submit sourcing requests for WM8728EDS and other Wolfson/Cirrus Logic audio IC products.