WM8753CLGEFL/V Integrated Circuits (ICs)

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The WM8753CLGEFL/V is a low-power audio CODEC specially designed to provide wide-range frequency response and high SNR to meet the technological requirements of consumer and professional audio applications. Through a 20-pin LQFP package, certain power savings are achieved while audio performance is still maintained. It supports various serial audio frames and compatible with higher grade audio applications. The WM8753CLGEFL/V application field and working principle are discussed.

WM8753CLGEFL/V Application Field

The WM8753CLGEFL/V was naturally fit for applications such as multimedia notebooks, PDAs, pocket-sized HDD players and cell-phones. The ultra-low voltage operation and low-power development capability of the product make it an ideal part for battery-operated, power-sensitive and low-power devices. Furthermore, its integration of a wide-range ADC and DAC reduce the use of external parts, thus offering maximum flexibility for design engineers.

As for applications that require high resolution audio, such as digital audio recorders, gaming systems and digital audio players, the WM8753CLGEFL/V can easily meet the quality demands of such products. One particular strength of the part is its ability to present natural sound upsampling.

Working Principle

The WM8753CLGEFL/V is a two-channel bridgeable CODEC with an advanced, powerful Digital Signal Processor (DSP) subsystem. The part is fully integrated and contains a microphone amplifier, two audio input amplifiers, two audio output amplifiers, a headphone/receiver amplifier, a mono power amplifier, a stereo Digital-to-Analog Converter (DAC) and an Analog-to-Digital Converter (ADC).

The DSP subsystem contains sixteen programmable registers, allowing the device to be programmed to audio specifications. It includes features such as dynamic range control, tone control, equalization and noise cancellation.

The WM8753CLGEFL/V also features digital audio serial interface, low power sleep mode and power-on reset circuits, along with a world clock output. The on-board MCU version even includes an embedded DSP with control ports for external user interface hosting.

Conclusion

The WM8753CLGEFL/V is an excellent solution for audio applications that require wide-range frequency response and high SNR. Its low-power operation makes it specially suitable for portable audio applications such as multimedia notebooks, PDAs, pocket-sized HDD players and cell-phones, while its powerful Digital Signal Processor (DSP) subsystem allows the device to offer users a wide range of features such as dynamic range control, tone control, equalization and noise cancellation.

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