WM8978CGEFL/RV

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WM8978CGEFL/RV

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IC CODEC STER SPEAKER DVR 32QFN

  • FabricanteCirrus Logic Inc.

  • Peça do Fabricante #WM8978CGEFL/RV

  • Pacote QFN-32

  • Em Estoque6781

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Especificações

Atributo Valor
Package / Case Tape & Reel (TR)
Part Status Obsolete
Type Stereo Audio
Data Interface I²S, PCM
Resolution(Bits) 24 b
Number of AD Cs / DA Cs 2 / 2
Sigma Delta Yes
S / N Ratio AD Cs / DA Cs(db)Typ 95 / 98
Voltage - Supply, Analog 2.5V ~ 3.6V
Voltage - Supply, Digital 1.71V ~ 3.6V
Operating Temperature -40°C ~ 100°C
Mounting Type Surface Mount

Visão Geral

Description

The WM8978CGEFL/RV is an integrated audio codec designed by Wolfson Microelectronics, aimed at portable multimedia applications. It features stereo audio playback and recording functionality, making it suitable for use in devices like smartphones, tablets, and audio accessories. The codec supports a wide range of audio formats and sampling rates, providing flexibility for various audio applications.
Key features of the WM8978CGEFL/RV include integrated headphone and speaker amplifiers, digital-to-analog converters (DACs), analog-to-digital converters (ADCs), and digital audio interface support. It also offers advanced filtering and noise reduction capabilities, enhancing audio quality. The device is designed for low power consumption, extending battery life in portable devices.
The codec includes configurable digital signal processing (DSP) for audio enhancement and supports features like equalization, 3D sound, and bass boost. It utilizes I2C and SPI interfaces for easy integration and control, making it a versatile choice for developers aiming to deliver high-quality audio performance in compact form factors.

Equivalent

The WM8978CGEFL/RV is a low-power stereo codec with a headphone driver, often used in portable audio applications. Equivalent products may include:
1. TLV320AIC3104 by Texas Instruments
2. SGTL5000 by NXP Semiconductors
3. AK4671 by AKM Semiconductor
4. CS42L51 by Cirrus Logic
These alternatives offer similar functionalities such as stereo audio codecs with integrated features suitable for portable devices, but specific features and performance may vary. Always check the technical specifications to ensure compatibility.

Features

The WM8978CGEFL/RV is a highly integrated audio codec designed for consumer electronics. It features stereo audio DACs and ADCs with high signal-to-noise ratios, making it ideal for high-fidelity audio applications. The device supports multiple audio interfaces, including I2S, PCM, and digital audio interfaces, facilitating easy integration with various digital audio systems.
It offers a range of digital filtering options and an integrated PLL (Phase-Locked Loop) for flexible clocking. The codec also includes a microphone interface with built-in pre-amplification and noise suppression features, as well as speaker and headphone outputs with control over volume and gain.
Additionally, the WM8978CGEFL/RV comes with programmable equalizers, a 3D sound enhancement feature, and automatic level control to optimize audio playback. Its low power consumption and small package size make it suitable for portable devices. The device is configured via a digital control interface, typically I2C, allowing for customizable operational settings. This combination of features makes it a versatile solution for enhancing audio performance in various electronic devices.

Pinout

The WM8978CGEFL/RV is an audio codec with a 40-pin configuration. It is designed to provide high-quality audio processing for portable multimedia applications. Key functions of the WM8978 include:
1. Stereo DAC and ADC: For high-quality audio playback and recording.
2. Microphone Interface: Supports digital microphone inputs.
3. Headphone Driver: Capable of driving stereo headphones directly.
4. Speaker Driver: Integrated driver for mono or stereo speakers.
5. Digital Audio Interfaces: I2S, PCM for interfacing with digital audio systems.
6. Analog Inputs and Outputs: Support for connecting various audio sources and sinks.
7. Programmable DSP: For audio processing tasks such as equalization and filtering.
8. Power Management: Features low power consumption with power-saving modes.
The WM8978 is suitable for use in smartphones, tablets, and other portable devices where space and power efficiency are critical. Its integration of multiple audio functions into a single chip helps to reduce the overall component count in audio systems.

Manufacturer

The WM8978CGEFL/RV is an audio codec manufactured by Cirrus Logic, Inc. Cirrus Logic is a fabless semiconductor company that specializes in developing high-precision analog and digital signal processing components for various consumer electronics markets. The company's products are commonly used in audio and voice applications, including smartphones, tablets, wearables, home theater systems, and other audio equipment. Cirrus Logic is known for its expertise in audio technology and provides solutions that enhance sound quality and user experience in electronic devices.

Application

The WM8978CGEFL/RV is an audio codec used in various applications requiring high-quality audio output and input. Key application areas include portable media players, smartphones, tablets, and other handheld devices where audio performance is critical. It is also used in automotive audio systems, voice recorders, and smart home devices like smart speakers and home automation systems. The codec supports multiple audio interfaces and provides features such as stereo DACs and ADCs, making it suitable for a range of consumer electronics that demand efficient audio processing and playback capabilities.

Package

The WM8978CGEFL/RV is an audio codec IC, and it typically comes in a compact QFN (Quad Flat No-leads) package type. This type of packaging allows for a small footprint on PCBs, suitable for portable and space-constrained audio applications.

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