PCM

I2S Protocol: Features, Working Principles, Differences, and Applications

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I2S Protocol: Features, Working Principles, Differences, and Applications

Over time, the demand for digital systems and their audio data in mobile phones, computers, and home automation products has changed significantly. Audio signals sent to or from processors are gradually being digitized. These data are processed through various devices in different systems, such as Digital Signal Processors (DSP), Analog-to-Digital Converters (ADC), Digital-to-Analog Converters (DAC), … Read more

Challenges and Solutions for Domestic Storage

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Challenges and Solutions for Domestic Storage

Source: WeChat Official Account “Semiconductor Industry Watch” With the rapid development of consumer electronics and large-scale data centers driven by technologies such as 5G, AI, and IoT, the market demand for storage will become increasingly intense. As one of the important types of semiconductor products, memory accounts for about one-third of the global semiconductor market … Read more

Learning About I2S Bus: Concepts and Standards

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Learning About I2S Bus: Concepts and Standards

Background The I2S bus is a common bus that needs to be mastered. Concepts The I2S (Inter-IC Sound) bus, also known as the integrated circuit built-in audio bus, is a bus standard formulated by Philips for audio data transmission between digital audio devices. This bus is responsible for data transmission between audio devices and is … Read more

Introduction to ES7148 DAC Applications

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Introduction to ES7148 DAC Applications

DAC Model: ES7148. Package: QFN12. Operating Temperature: -40~+85℃. 1. Overview The ES7148 is a 12-pin, 24-bit stereo D/A converter that uses PCM (Pulse Code Modulation). It supports 24-bit word length I2S serial audio data format input. Utilizing multi-bit ∆-Σ modulation technology, it converts digital signals to dual-channel analog signal output. The multi-bit ∆-Σ modulator makes … Read more