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Ⅰ.Overview of product

The WM9712CLGEFL/RV is a high-performance audio CODEC IC developed by Cirrus Logic Inc.,which belongs to the category of Integrated Circuits (ICs) with Interface CODECS.It adopts AC '97 standard,featuring compact packaging,low power consumption and excellent audio performance,suitable for various audio-related application scenarios.

Ⅱ.Core parameter

Category:Integrated Circuits (ICs),Interface,CODECS

Manufacturer:Cirrus Logic Inc.

Packaging:Tape & Reel

Type:Audio, AC '97

Data Interface:AC'97

Resolution (Bits):12 b

Number of ADCs / DACs:2 / 2

S/N Ratio, ADCs / DACs (db) Typ:92 / 94

Voltage - Supply, Analog:1.8V ~ 3.6V

Voltage - Supply, Digital:1.8V ~ 3.6V

Operating Temperature:-25°C ~ 85°C

Mounting Type:Surface Mount

Package / Case:48-VFQFN Exposed Pad

Ⅲ.Main characteristics

High Audio Quality:Equipped with 12-bit resolution and sigma-delta architecture, the IC achieves typical S/N ratio of 92 dB for ADCs and 94 dB for DACs, ensuring clear, high-fidelity audio output and accurate audio input without obvious noise interference.

AC '97 Compatibility: It strictly complies with the AC '97 audio standard, with AC'97 data interface, which enables seamless connection and communication with various AC '97-compliant main control chips (such as ARM processors, DSP), facilitating system integration.

Dual ADC/DAC Configuration:Integrated with 2 ADCs and 2 DACs, it supports simultaneous stereo audio input and output, meeting the needs of two-way audio transmission in multimedia devices and voice communication systems.

Wide Voltage Adaptability:Both analog and digital voltage supplies range from 1.8V to 3.6V, providing flexible power supply options, adapting to different power supply designs of portable and embedded devices, and reducing power management complexity.

Compact Surface Mount:Adopting 48-VFQFN Exposed Pad package and surface mount type, it has compact size and good heat dissipation performance, suitable for high-density PCB layout and miniaturized electronic device designs.

Low Power Consumption:Optimized power-saving design ensures low power consumption during operation,which is especially suitable for portable audio devices and battery-powered electronic products,extending the service life of the equipment battery.

Ⅳ.Application field

Portable Audio Players:Applied to handheld MP3/MP4 players, it provides high-quality audio playback and recording functions, supporting stereo sound output, which enhances the user's audio experience while adapting to the low-power and miniaturized requirements of portable devices.

Digital Cameras:Used in digital cameras and camcorders, it is responsible for processing audio signals during video recording and playing, realizing clear voice recording and playback, and matching the compact design of camera circuit boards.

Portable Recorders:Suitable for handheld digital voice recorders, it uses 2 ADCs to collect stereo audio, with high S/N ratio to ensure the clarity of recorded voice, and low power consumption to support long-time recording.

Embedded Audio Modules: integrated into embedded systems such as industrial control voice prompts and smart home voice terminals, it completes audio signal conversion, enabling voice interaction and prompt functions in embedded devices.

Automotive Auxiliary Audio:Used in automotive auxiliary audio devices (such as car MP3 converters and in-car small audio players), it adapts to the wide temperature range of the vehicle environment (-25°C ~ 85°C) and ensures stable audio output during vehicle operation.

Voice Recognition Devices:Applied to low-cost voice recognition terminals (such as smart speakers and voice-controlled switches), it collects and converts voice signals through ADCs, with high signal-to-noise ratio to improve the accuracy of voice recognition.

Ⅴ.Summary

The WM9712CLGEFL/RV is a cost-effective,high-performance AC '97 audio CODEC IC from Cirrus Logic Inc.With excellent audio performance, flexible power supply, compact packaging and wide application adaptability,it is an ideal choice for various audio-related electronic devices,especially portable and embedded products.