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規格
| 屬性 | 價值 |
| Brand | Cirrus Logic |
| ProductType | CODECs |
| Subcategory | Interface ICs |
| ShippingRestrictions | Mouser does not presently sell this product in your region. |
| Type | Audio CODEC, Stereo |
| Packaging | Tube |
| Product | Audio CODECs |
| FactoryPackQuantity:FactoryPackQuantity | 95 |
| Series | WM8731 |
| MinimumOperatingTemperature | - 40 C |
| MaximumOperatingTemperature | + 85 C |
| Package/Case | QFN-28 |
| InterfaceType | Serial (2-Wire, 3-Wire) |
| SupplyVoltage-Min | 1.42 V |
| SupplyVoltage-Max | 3.6 V |
| Resolution | 24 bit |
| MountingStyle | SMD/SMT |
| UnitWeight | 0.002497 oz |
| ConversionRate | 96 kHz |
| NumberofADCs | 2 ADC |
| NumberofDACs | 2 DAC |
| Height | 0.88 mm |
| Length | 5 mm |
| NumberofADCInputs | 1 Input |
| NumberofDACOutputs | 1 Output |
| OperatingSupplyVoltage | 1.42 V to 3.6 V |
| OutputPower | 50 mW |
| SNR-SignaltoNoiseRatio | 90 dB ADC/100 dB DAC |
| Width | 5 mm |
概述
Description
The WM8731LSEFL is a high-performance, low-power audio codec designed for portable applications. It integrates a stereo analog-to-digital converter (ADC) and digital-to-analog converter (DAC), making it ideal for devices like smartphones, tablets, and portable media players. This codec supports various audio sampling rates, up to 48 kHz, and features a programmable gain amplifier, allowing for flexible input and output levels.
Key specifications include a low total harmonic distortion (THD) and high signal-to-noise ratio (SNR), ensuring high-quality audio performance. The WM8731LSEFL also includes features like a built-in digital audio interface (I2S) and supports different audio formats. Its compact size and low power consumption make it suitable for battery-operated devices.
Additionally, the device's configuration can be easily adjusted via an I2C interface, allowing for customization based on specific application needs. Overall, the WM8731LSEFL is an effective solution for developers looking to implement high-quality audio processing in their electronic devices.
Key specifications include a low total harmonic distortion (THD) and high signal-to-noise ratio (SNR), ensuring high-quality audio performance. The WM8731LSEFL also includes features like a built-in digital audio interface (I2S) and supports different audio formats. Its compact size and low power consumption make it suitable for battery-operated devices.
Additionally, the device's configuration can be easily adjusted via an I2C interface, allowing for customization based on specific application needs. Overall, the WM8731LSEFL is an effective solution for developers looking to implement high-quality audio processing in their electronic devices.
Equivalent
Equivalent products to the WM8731LSEFL chip include the CS4270, TLV320AIC23B, PCM1803, and AK4452. These chips offer similar functionalities for audio ADC/DAC applications, including I2S audio interface, stereo audio processing, and adjustable sample rates. However, specific features and performance may vary, so it's essential to check datasheets for detailed comparisons.
Features
The WM8731LSEFL is a low-power, stereo audio codec designed for portable applications. Key features include:
1. 24-bit ADC/DAC: High-resolution analog-to-digital and digital-to-analog conversion.
2. Sample Rates: Supports sampling rates up to 96 kHz.
3. Built-in Microphone Preamp: Integrated microphone amplifiers for direct connection to microphones.
4. Stereo Line Inputs/Outputs: Facilitates connection to various audio sources and outputs.
5. Digital Audio Interface: I2S, PCM, and Left-Justified formats for flexible interfacing.
6. Integrated PLL: Onboard phase-locked loop for clock generation, reducing external components.
7. Low Power Consumption: Designed for battery-operated devices with power-saving modes.
8. Configurable EQ: Allows fine-tuning of audio output through an adjustable equalizer.
9. I2C Control Interface: For easy configuration and control of codec settings.
These features make the WM8731LSEFL suitable for mobile phones, tablets, and other portable audio devices.
1. 24-bit ADC/DAC: High-resolution analog-to-digital and digital-to-analog conversion.
2. Sample Rates: Supports sampling rates up to 96 kHz.
3. Built-in Microphone Preamp: Integrated microphone amplifiers for direct connection to microphones.
4. Stereo Line Inputs/Outputs: Facilitates connection to various audio sources and outputs.
5. Digital Audio Interface: I2S, PCM, and Left-Justified formats for flexible interfacing.
6. Integrated PLL: Onboard phase-locked loop for clock generation, reducing external components.
7. Low Power Consumption: Designed for battery-operated devices with power-saving modes.
8. Configurable EQ: Allows fine-tuning of audio output through an adjustable equalizer.
9. I2C Control Interface: For easy configuration and control of codec settings.
These features make the WM8731LSEFL suitable for mobile phones, tablets, and other portable audio devices.
Pinout
The WM8731LSEFL is a low-power stereo audio codec chip with a total of 32 pins. It features a range of functions optimized for audio applications, including:
- ADC and DAC: Converts analog audio signals to digital and vice versa.
- Digital Audio Interface: Supports I2S and PCM formats for communication with digital systems.
- Line Inputs and Outputs: Provides connections for line-level audio signals.
- Microphone Input: Includes a microphone preamplifier for capturing audio.
- Volume Control: Allows adjustment of output volume levels.
- Power Management: Features options for power-saving modes.
- Control Interface: Communicates with a microcontroller via I2C for configuration.
This combination of features makes the WM8731LSEFL suitable for applications in portable audio devices, voice recorders, and other consumer electronics.
- ADC and DAC: Converts analog audio signals to digital and vice versa.
- Digital Audio Interface: Supports I2S and PCM formats for communication with digital systems.
- Line Inputs and Outputs: Provides connections for line-level audio signals.
- Microphone Input: Includes a microphone preamplifier for capturing audio.
- Volume Control: Allows adjustment of output volume levels.
- Power Management: Features options for power-saving modes.
- Control Interface: Communicates with a microcontroller via I2C for configuration.
This combination of features makes the WM8731LSEFL suitable for applications in portable audio devices, voice recorders, and other consumer electronics.
Manufacturer
The WM8731LSEFL is manufactured by Wolfson Microelectronics, a company that specializes in audio and mixed-signal semiconductor solutions. Wolfson is known for its expertise in designing high-performance audio chips used in various consumer electronics, including smartphones, tablets, and audio equipment. The company focuses on delivering innovative technologies that enhance audio performance in digital devices.
In 2014, Wolfson Microelectronics was acquired by Cirrus Logic, a semiconductor company that also specializes in audio and voice signal processing solutions. Cirrus Logic continues to develop and market Wolfson's products and technologies, maintaining the brand's reputation for quality in the audio semiconductor industry. As a subsidiary of Cirrus Logic, Wolfson's products contribute to advancements in audio quality and functionality in modern electronic devices.
In 2014, Wolfson Microelectronics was acquired by Cirrus Logic, a semiconductor company that also specializes in audio and voice signal processing solutions. Cirrus Logic continues to develop and market Wolfson's products and technologies, maintaining the brand's reputation for quality in the audio semiconductor industry. As a subsidiary of Cirrus Logic, Wolfson's products contribute to advancements in audio quality and functionality in modern electronic devices.
Application
The WM8731LSEFL is a high-performance audio codec used in various applications, including:
1. Consumer Electronics: Integrated into portable devices like smartphones, tablets, and digital music players for audio playback and recording.
2. Telecommunications: Utilized in VoIP applications and communication devices for clear audio transmission.
3. Automotive Systems: Employed in car audio systems and infotainment solutions.
4. Professional Audio Equipment: Used in mixers, sound cards, and audio production tools for high-quality sound processing.
5. Home Theater Systems: Incorporated into amplifiers and receivers for enhanced audio performance.
Its versatile features support a wide range of audio applications.
1. Consumer Electronics: Integrated into portable devices like smartphones, tablets, and digital music players for audio playback and recording.
2. Telecommunications: Utilized in VoIP applications and communication devices for clear audio transmission.
3. Automotive Systems: Employed in car audio systems and infotainment solutions.
4. Professional Audio Equipment: Used in mixers, sound cards, and audio production tools for high-quality sound processing.
5. Home Theater Systems: Incorporated into amplifiers and receivers for enhanced audio performance.
Its versatile features support a wide range of audio applications.
Package
The WM8731LSEFL is provided in a 28-lead QFN (Quad Flat No-lead) package, which has a compact footprint suitable for space-constrained applications.