Mingjiada Electronics, as a professional supplier of electronic components, is pleased to provide you with detailed information about the genuine WM8974CGEFL low-power audio codec.
WM8974CGEFL Product Description
The WM8974CGEFL is a low-power, high-quality mono audio codec (CODEC) developed by Cirrus Logic, specifically designed for portable devices such as digital still cameras and digital recorders. The WM8974CGEFL integrates differential/single-ended microphone inputs, speaker/headphone drivers, and mono line outputs, reducing the need for external amplifiers and thereby lowering system costs and PCB space requirements.
The WM8974CGEFL employs advanced Σ-Δ (Sigma-Delta) modulation technology, supporting high-precision 24-bit audio sampling, making it suitable for high-fidelity audio recording and playback. Its digital audio interface supports A-law and μ-law compression, making it suitable for various voice communication scenarios.
WM8974CGEFL Key Features
Low-power design:
WM8974CGEFL is suitable for battery-powered devices, with an analogue supply voltage of 2.5V to 3.6V and a digital supply voltage of 1.71V to 3.6V.
It supports multiple power-saving modes to optimise system energy consumption.
High-quality audio processing:
The WM8974CGEFL offers a 94dB ADC signal-to-noise ratio (SNR) and a 98dB DAC SNR, ensuring clear audio output.
It includes a built-in 5-band equaliser (EQ) for optimising recording/playback paths.
Integrated design:
The WM8974CGEFL includes a built-in microphone bias circuit, supporting differential/single-ended input, reducing the need for external components.
It provides automatic level control (ALC) and noise gate functionality to enhance recording quality.
Flexible interfaces:
The WM8974CGEFL supports 2-wire/3-wire serial control interfaces, compatible with various host chips.
Sampling rate: 8 kHz to 48 kHz, suitable for voice and music applications.
WM8974CGEFL Key Parameters
Package: 24-QFN (4x4 mm)
Resolution: 24-bit ADC/DAC
Signal-to-noise ratio (SNR): ADC 94 dB / DAC 98 dB
Supply voltage: 2.5V to 3.6V for analogue, 1.71V to 3.6V for digital
Operating temperature: -40°C to +85°C
Sampling rate: Up to 48kHz
WM8974CGEFL Application Areas
Portable Devices: The WM8974CGEFL is widely used in smartphones, tablets, digital cameras, and more.
Audio Recording and Playback: WM8974CGEFL is suitable for voice recorders, professional audio equipment, etc.
Car Audio Systems: WM8974CGEFL offers high noise immunity, making it ideal for car entertainment systems.
Industrial Control: WM8974CGEFL can be used in voice recognition, alarm systems, and other industrial automation equipment.
WM8974CGEFL FunctionBlock Diagram
WM8974CGEFL Pin Configuration
Summary
The WM8974CGEFL is a high-performance, low-power mono audio codec suitable for various portable and embedded audio applications. Its high integration, excellent signal-to-noise ratio, and flexible interface design make it an ideal choice for audio signal processing. For purchasing the WM8974CGEFL, please contact Mingjiada Electronics for genuine products.
Contact Information
Phone: +86 13410018555 (Mr. Chen)
Email: sales@hkmjd.com
Website: https://www.integrated-ic.com/
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