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Product Detailed Parameters
- Description：IC AUDIO CODEC 24BIT 138-WCSP
- Series：-
- Mfr：Cirrus Logic Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Audio
- Data Interface：SLIMbus
- Resolution (Bits)：24 b
- Sigma Delta：-
- S/N Ratio, ADCs / DACs (db) Typ：-
- Dynamic Range, ADCs / DACs (db) Typ：-
- Voltage - Supply, Analog：-
- Voltage - Supply, Digital：-
- Operating Temperature：-
- Mounting Type：Surface Mount
- Package / Case：138-WFBGA, WLCSP
- Supplier Device Package：138-W-CSP (5.86x4.56)
- Grade：-
- Qualification：-
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Overview
The WM8281ECS/R is a low-power audio system for smartphones and tablets, integrating a quad-core 600MMAC DSP with a high-performance CODEC. It features up to six analogue or eight digital microphone inputs, three stereo headphone drivers, and two 2W Class-D speaker outputs. The device supports SLIMbus and three additional digital audio interfaces, offering 121dB SNR playback and 100dB SNR recording at 48kHz. Powered by a 1.8V supply, it includes ambient noise cancellation, echo cancellation, and haptic control.
Feature Summary
- Advanced multi-core DSP supporting wideband noise reduction, acoustic echo cancellation, and stereo adaptive ambient noise cancellation.
- Integrated hi-fi audio hub CODEC with multiple ADCs and DACs featuring high signal-to-noise ratios.
- Flexible connectivity via SLIMbus interface and three standard digital audio interfaces supporting various sample rates.
- Multi-purpose output drivers including stereo headphone amplifiers and Class-D speaker outputs capable of driving haptic actuators.
Applications
- Smartphones
- Tablets
- Multimedia handsets
Procurement Notes
Verify the specific ordering suffix 'R' corresponds to the reel packaging configuration as indicated in distributor listings. Confirm that the component meets RoHS compliance standards required for your manufacturing process. Ensure the W-CSP-138 package dimensions align with your PCB footprint design before finalizing procurement.
Selection Notes
Select this component when a highly integrated solution combining advanced DSP capabilities with a multi-channel CODEC is required. It is suitable for designs needing simultaneous support for multiple microphone arrays and diverse output configurations. Consider its low-power architecture if battery life optimization is a primary design constraint for portable devices.
Part Context
The WM8281 belongs to Cirrus Logic's portfolio of low-power audio systems designed for mobile platforms. It represents a convergence of digital signal processing and analog audio conversion technologies. This integration allows designers to reduce bill-of-materials complexity while maintaining high-fidelity audio performance in compact form factors typical of modern consumer electronics.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Evaluate alternative Cirrus Logic CODECs with similar DSP integration levels based on pin compatibility and feature requirements.
