WM8960CGEFL/RV

The Cirrus Logic WM8960CGEFL/RV is a high-performance audio codec designed for mobile, portable, and embedded applications. It is part of Cirrus Logic's WM8960 family, offering an integrated solution for high-quality audio input and output in a small form factor. This codec is commonly used in a variety of devices, such as smartphones, tablets, portable audio systems, wearables, and embedded audio applications.

The WM8960CGEFL/RV supports high-definition audio, providing features like low power consumption, digital signal processing (DSP), and flexible interfaces to ensure high-quality sound reproduction. It combines analog-to-digital conversion (ADC) and digital-to-analog conversion (DAC) functions, as well as integrated microphone biasing, headphone amplification, and speaker drive. These features make it ideal for audio systems that demand both excellent sound quality and power efficiency.

### Key Features and Overview:

1. Audio Performance:
- The WM8960CGEFL/RV is designed to deliver high-quality audio performance, with 24-bit/96kHz audio resolution support for both ADC and DAC. This allows for accurate, high-fidelity sound reproduction suitable for professional and consumer audio applications.
- Signal-to-Noise Ratio (SNR): The codec offers an SNR of up to 98 dB for playback and 95 dB for recording, ensuring high clarity and low noise in audio signals.

2. Integrated Digital Signal Processing (DSP):
- The codec features integrated digital signal processing (DSP) capabilities, which can be used for tasks such as audio filtering, equalization, volume control, and noise reduction. This feature enhances the audio performance and allows for customizable sound profiles to match the needs of the specific application.
- The DSP is programmable, offering flexibility for different audio processing requirements.

3. Audio Input and Output:
- Microphone Input: The WM8960CGEFL/RV includes integrated microphone preamplifiers, which can support single-ended and differential microphones. This provides high-quality input for voice recognition, recording, or communication applications.
- Headphone Output: It offers a high-performance headphone driver capable of delivering up to 100mW into 32Ω loads, ensuring clear and distortion-free audio output.
- Speaker Output: The codec supports stereo speaker outputs, capable of driving speakers with a maximum output power of 2W per channel into a 4Ω load. This makes it suitable for small portable audio systems.
- Line-In and Line-Out: It includes both line-level input and line-level output for connecting to external audio sources or amplifiers, making it versatile for various audio applications.

4. Power Efficiency:
- The WM8960CGEFL/RV is designed with low power consumption in mind, making it suitable for battery-powered devices. It offers power-down modes that allow the codec to reduce power when not in use, extending battery life in portable devices.
- The codec's typical supply current is approximately 12mA when in playback mode, which is low enough to make it ideal for mobile devices or other energy-constrained systems.

5. Flexible Audio Interfaces:
- The WM8960CGEFL/RV supports multiple audio interfaces, including I2S, PCM, and left-justified formats. This flexibility allows easy integration with a wide range of processors and digital audio sources.
- The codec also includes multi-channel support for stereo or more advanced audio setups.

6. On-chip Features:
- Integrated Voltage Regulators: The codec includes built-in voltage regulators, which simplify the power supply design by reducing the number of external components required.
- Headphone Detection: The WM8960 can detect when a headphone is plugged in, automatically routing audio to the headphone output, which is an essential feature for portable audio devices.
- Integrated Microphone Bias: The integrated microphone biasing simplifies the design of microphone interfaces, reducing the need for additional external components.

7. Low Latency:
- The codec offers low latency audio processing, making it suitable for real-time applications such as voice communication or gaming where audio synchronization is crucial.

### Detailed Specifications:

1. Audio Resolution:
- 24-bit audio resolution for both ADC and DAC, providing high precision and clarity in both recording and playback.

2. Sample Rates:
- The codec supports sample rates from 8kHz to 96kHz, allowing for high-quality audio recording and playback across a wide range of applications.

3. Signal-to-Noise Ratio (SNR):
- ADC SNR: 95 dB (typical) for high-quality recording.
- DAC SNR: 98 dB (typical) for high-fidelity playback.

4. Total Harmonic Distortion (THD):
- The total harmonic distortion is