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Product Detailed Parameters
- Description：IC CODEC PORTABLE INTERNET 28QFN
- Series：-
- Mfr：Cirrus Logic Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Audio
- Data Interface：Serial
- Resolution (Bits)：24 b
- Sigma Delta：Yes
- S/N Ratio, ADCs / DACs (db) Typ：90 / 100
- Dynamic Range, ADCs / DACs (db) Typ：90 / 95
- Voltage - Supply, Analog：1.8V ~ 3.6V
- Voltage - Supply, Digital：1.42V ~ 3.6V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：28-VFQFN Exposed Pad
- Supplier Device Package：28-QFN (5x5)
- Grade：-
- Qualification：-
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Overview
The WM8731CLSEFL/R is a stereo audio codec manufactured by Cirrus Logic, housed in a 28-pin QFN package. It supports digital audio resolutions up to 24 bits and sampling rates of 96 kHz. The device integrates two analog-to-digital converters (ADCs) and two digital-to-analog converters (DACs). It operates within a supply voltage range of 1.8 V to 3.6 V and functions across an industrial temperature range from -40°C to +85°C. Audio performance specifications include a signal-to-noise ratio of 90 dB for the ADC and 100 dB for the DAC.
Feature Summary
- Stereo audio conversion with integrated headphone output capabilities
- Support for serial interface communication protocols including 2-Wire and 3-Wire configurations
- Designed for ultra-low power consumption applications
Applications
- Portable multimedia devices requiring high-fidelity audio playback
- Digital voice recording equipment
- Consumer electronics with integrated audio processing needs
Procurement Notes
Verify component authenticity through authorized distributors or certified suppliers. Confirm the part number matches the exact suffix CLSEFL/R to ensure correct packaging and specifications. Check for lifecycle status updates as availability may be restricted. Request original manufacturer documentation to validate technical parameters before integration into designs.
Selection Notes
Select this component when a low-power stereo codec with integrated headphone drivers is required. Ensure the system design accommodates the 1.8 V to 3.6 V operating voltage range. Verify that the host processor supports the necessary serial interface protocols for data transmission and control. Consider the 28-pin QFN footprint for PCB layout constraints.
Part Context
This component belongs to the WM8731 series of audio codecs from Cirrus Logic. It is designed for portable applications where power efficiency and audio quality are critical. The device combines analog and digital functionality to simplify system architecture. It serves as a complete solution for stereo audio input and output in compact electronic devices.
Replacement Considerations
The WM8904CGEFL/V is listed as a potential replacement option. Verify compatibility regarding pin configuration, power requirements, and software register settings before substitution.
