The WM8960CGEFL/RV is a high-performance audio codec chip by Cirrus Logic, designed for portable audio applications. It integrates 24-bit ADC/DAC, D-class speaker drivers (1W per channel), and advanced DSP features like automatic level control. With a 98dB SNR and flexible power supply (1.71V–3.6V digital, 2.7V–3.6V analog), it reduces external components while delivering studio-grade audio in compact devices like smartphones and Bluetooth speakers.
How Does the WM8960CGEFL/RV Achieve Superior Audio Quality?
The WM8960CGEFL/RV employs 24-bit Delta-Sigma converters with 98dB DAC SNR and 95dB ADC SNR, minimizing harmonic distortion (-84dB THD). Its integrated DSP performs real-time noise gating and 3D stereo enhancement, while the “pop/click suppression” circuitry eliminates power-on artifacts. The chip’s PLL supports multiple clocking schemes, ensuring jitter-free synchronization with host processors.
What Are the Key Features of the WM8960CGEFL/RV?
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Dual 24-bit ADC/DAC for high-fidelity recording/playback.
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Class-D Speaker Amp: 1W/ch into 8Ω (BTL) with 90% efficiency.
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Microphone Interface: Supports differential mics with programmable ALC.
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Headphone Driver: 40mW into 16Ω, no external capacitors needed.
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Ultra-Low Power: 45µA standby, 2.7V analog/1.71V digital operation.
Where Is the WM8960CGEFL/RV Commonly Used?
The WM8960CGEFL/RV is ideal for:
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Portable Audio: Bluetooth speakers, wireless earbuds.
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Consumer Electronics: Smart TVs, gaming headsets.
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IoT Devices: Voice-controlled assistants.
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Automotive: Hands-free calling systems.
How to Design a Circuit with the WM8960CGEFL/RV?
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Power Supply: Use 2.7V–3.6V analog and 1.71V–3.6V digital rails.
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Clock Source: Either external MCLK or internal PLL (supports 12MHz/24MHz crystals).
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Audio Interface: I²S/PCM for digital audio, 10µF decoupling caps for analog sections.
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Speaker Output: Direct battery connection (2.5V–5.5V) with 22µH inductor for D-class filtering.
Buying Tips
When sourcing the WM8960CGEFL/RV:
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Verify Authenticity: Purchase from Cirrus Logic-authorized distributors like Fly-Wing Technology (HK) Co., Limited, which offers genuine parts at competitive prices.
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Check Packaging: QFN-32 tape-and-reel for automated assembly.
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Bulk Discounts: Orders >1,750 units may reduce costs by 15%.
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Alternatives: Consider WM8994 for higher channel counts.
Electronic Components Expert Views
“The WM8960CGEFL/RV’s integration of DSP and Class-D amplification sets it apart,” notes audio engineer Dr. Lisa Tran. “Designers should prioritize PCB layout for analog sections to avoid noise coupling—keep traces short and use ground planes.”
FAQ
Q: Does the WM8960CGEFL/RV support Bluetooth audio?
A: Yes, its I²S interface pairs with Bluetooth SOCs like CSR8675.
Q: Can it drive 4Ω speakers?
A: No, optimized for 8Ω (BTL) or 16Ω (headphones).
Q: Is the WM8960CGEFL/RV RoHS-compliant?
A: Yes, it meets RoHS and REACH standards.
Q: What’s the typical BOM cost reduction vs. discrete solutions?
A: ~30% by eliminating external amps, ADCs, and DSP chips.
In today’s mobile devices and multimedia applications, audio codecs play a crucial role. They need to provide high-quality audio processing capabilities while operating efficiently with low power consumption and in a small form factor. Today, we will introduce a high-performance, low-power stereo audio codec from Cirrus Logic—the WM8960CGEFL/RV.
I. Overview of the Chip
The WM8960CGEFL/RV is a high-performance, low-power stereo audio codec designed for portable audio applications. It integrates multiple audio processing functions, including a stereo Class-D speaker driver, headphone driver, microphone interface, and advanced digital signal processing capabilities. This chip is designed to provide high-quality audio solutions for mobile devices, multimedia players, gaming consoles, and more.
II. Technical Specifications
Here are the main technical specifications of the WM8960CGEFL/RV:
III. Features of the Chip
- Efficient Audio ProcessingThe WM8960CGEFL/RV integrates 24-bit stereo ADCs and DACs, delivering high-performance audio processing at extremely low power consumption. Its Class-D speaker drivers can provide up to 1W of power per channel for 8Ω speakers at a 5V supply voltage.
- Low-Power DesignThe chip operates with analog supply voltages as low as 2.7V and digital core voltages as low as 1.71V. This low-power design makes it ideal for battery-powered portable devices.
- High IntegrationThe WM8960CGEFL/RV includes a complete microphone interface, headphone detection, and flexible signal enhancement mechanisms. These features significantly reduce the number of external components and simplify the design process.
- Advanced Audio FeaturesThe chip supports 3D enhancement, automatic level control (ALC), limiter, and noise gate functions. These features optimize audio performance and enhance user experience.
- Compact Form FactorThe WM8960CGEFL/RV is available in a 5mm x 5mm QFN package, making it suitable for space-constrained portable devices.
IV. Applications
The WM8960CGEFL/RV is widely used in the following areas:
- Mobile DevicesIdeal for smartphones, tablets, and other devices that require high-quality audio output.
- Multimedia PlayersProvides high-performance audio codec capabilities, supporting a wide range of audio formats.
- Gaming DevicesThe integrated Class-D speaker drivers and headphone drivers make it an excellent choice for gaming consoles.
- Wireless HeadphonesIts low-power design and integrated audio processing functions make it suitable for wireless headphones.
V. Conclusion
The WM8960CGEFL/RV is a high-performance, low-power audio codec chip. With its efficient audio processing capabilities, low-power design, and high integration, it is an ideal choice for portable audio devices. Whether in mobile devices, multimedia players, or gaming consoles, it delivers outstanding audio performance and user experience.
