規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Obsolete |
| Type | Audio |
| Data Interface | Serial |
| Resolution(Bits) | 24 b |
| Number of AD Cs / DA Cs | 1 / 1 |
| Sigma Delta | Yes |
| S / N Ratio AD Cs / DA Cs(db)Typ | 94 / 98 |
| Voltage - Supply, Analog | 2.5V ~ 3.6V |
| Voltage - Supply, Digital | 1.71V ~ 3.6V |
| Operating Temperature | -25°C ~ 85°C |
| Mounting Type | Surface Mount |
概述
Description
The WM8940CGEFL/RV is an integrated audio codec designed by Wolfson Microelectronics, which is now part of Cirrus Logic. This component is optimized for use in portable audio applications, such as smartphones, tablets, and other handheld devices. It includes features like a high-quality stereo digital-to-analog converter (DAC) and analog-to-digital converter (ADC), facilitating efficient audio signal processing.
The WM8940CGEFL/RV supports various audio interfaces and offers options for digital audio input and output, making it versatile for different device requirements. It provides advanced features such as an integrated headphone driver, microphone input, and support for low power consumption modes, which are critical for battery-operated devices.
Moreover, the codec includes multiple programmable settings to fine-tune audio performance and optimize power usage. Its compact package size is suitable for space-constrained designs common in modern portable electronics. Overall, the WM8940CGEFL/RV is tailored to deliver high-quality audio performance while maintaining efficient power management.
The WM8940CGEFL/RV supports various audio interfaces and offers options for digital audio input and output, making it versatile for different device requirements. It provides advanced features such as an integrated headphone driver, microphone input, and support for low power consumption modes, which are critical for battery-operated devices.
Moreover, the codec includes multiple programmable settings to fine-tune audio performance and optimize power usage. Its compact package size is suitable for space-constrained designs common in modern portable electronics. Overall, the WM8940CGEFL/RV is tailored to deliver high-quality audio performance while maintaining efficient power management.
Equivalent
The WM8940CGEFL/RV is a low-power stereo codec with integrated headphone driver. For equivalent products, consider:
1. Texas Instruments TLV320AIC23B - A low-power stereo audio codec with similar features.
2. Analog Devices ADAU1361 - A stereo audio codec with integrated digital processors.
3. Cirrus Logic CS42L51 - A low-power stereo codec offering similar functionality.
Ensure compatibility by checking specifications like power consumption, output capabilities, and supported interfaces.
1. Texas Instruments TLV320AIC23B - A low-power stereo audio codec with similar features.
2. Analog Devices ADAU1361 - A stereo audio codec with integrated digital processors.
3. Cirrus Logic CS42L51 - A low-power stereo codec offering similar functionality.
Ensure compatibility by checking specifications like power consumption, output capabilities, and supported interfaces.
Features
The WM8940CGEFL/RV is a low-power, high-quality audio codec designed for portable audio applications. Key features include a stereo audio DAC with a headphone driver and a mono ADC that supports microphone inputs. The device provides high-quality playback and recording capabilities with low power consumption, making it suitable for battery-powered devices.
It supports various audio sampling rates and features integrated audio processing functions such as digital filters and an equalizer. The codec has flexible input/output configurations with programmable gain controls, enhancing its adaptability to different audio sources and output devices. Additionally, the WM8940 offers a low-noise microphone bias, and its headphone output can drive a variety of impedances, ensuring versatility in audio output options.
The device comes in a compact package, which is beneficial for space-constrained applications. It also supports digital audio interfaces like I²S, simplifying integration with digital processors. The WM8940 is designed to deliver high-quality audio performance while maintaining efficiency, making it ideal for use in portable media players, smartphones, and other consumer electronic devices.
It supports various audio sampling rates and features integrated audio processing functions such as digital filters and an equalizer. The codec has flexible input/output configurations with programmable gain controls, enhancing its adaptability to different audio sources and output devices. Additionally, the WM8940 offers a low-noise microphone bias, and its headphone output can drive a variety of impedances, ensuring versatility in audio output options.
The device comes in a compact package, which is beneficial for space-constrained applications. It also supports digital audio interfaces like I²S, simplifying integration with digital processors. The WM8940 is designed to deliver high-quality audio performance while maintaining efficiency, making it ideal for use in portable media players, smartphones, and other consumer electronic devices.
Pinout
The WM8940CGEFL/RV is an integrated low-power stereo CODEC designed by Wolfson Microelectronics. It is typically used in portable digital audio applications. The chip is housed in a 32-pin QFN (Quad Flat No-leads) package.
The primary functions of the WM8940 include stereo audio ADCs and DACs, microphone preamplifiers, headphone amplifiers, and support for digital audio interfaces. It also features programmable gain amplifiers, digital equalizer, and various power management options to optimize performance and efficiency.
For more detailed information, including exact pin functions and specifications, consulting the official datasheet from Wolfson Microelectronics or its successor companies (such as Cirrus Logic) is recommended.
The primary functions of the WM8940 include stereo audio ADCs and DACs, microphone preamplifiers, headphone amplifiers, and support for digital audio interfaces. It also features programmable gain amplifiers, digital equalizer, and various power management options to optimize performance and efficiency.
For more detailed information, including exact pin functions and specifications, consulting the official datasheet from Wolfson Microelectronics or its successor companies (such as Cirrus Logic) is recommended.
Manufacturer
The WM8940CGEFL/RV is manufactured by Cirrus Logic. Cirrus Logic is a semiconductor company that specializes in analog, mixed-signal, and audio DSP integrated circuits. They are well-known for their audio and voice ICs, which are used in a wide range of consumer electronics, including smartphones, tablets, and audio equipment. The company focuses on developing innovative products that enhance audio quality and user experience in electronic devices.
Application
The WM8940CGEFL/RV is a low-power, high-quality audio codec designed for portable and battery-operated devices. It is commonly used in applications such as mobile phones, tablets, digital audio players, and portable media devices. Additionally, it is suitable for use in voice communication systems, hands-free kits, and other consumer electronics requiring efficient audio processing. The codec's low power consumption and high audio fidelity make it ideal for devices where battery life and audio performance are critical.
Package
The WM8940CGEFL/RV is housed in a 4x4 mm QFN (Quad Flat No-leads) package. This package type is compact, which makes it suitable for space-constrained applications, offering a low-profile solution for integrating the audio codec into various electronic devices.
