AK8812

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AK8812 is an integrated digital transceiver chip from AKM Semiconductor. It integrates dual independent Full-Duplex digital transceivers, enabling it to operate in both unbalanced and balanced modes. This chip is used in various applications, such as digital audio processing, audio signal routing, VoIP and telephone communication, and home theater systems.

AK8812 contains two independent full-duplex digital transceivers, one for transmit (TX) and the other for receive (RX). It is a very high performance dual-channel transceiver that is specially designed for digital audio systems. The design of the chip is optimized for low latency and signal fidelity. It supports sampling rates of up to 8kHz, 16kHz, 24kHz, 32kHz, 44.1kHz, and 48kHz. It supports a wide dynamic range of A/D, D/A, and Digital to Analog (DAC) converters.

The AK8812 contains a One Time Programmable (OTP) Core, which stores the configuration of the chip. The OTP Core is a combination of ROM, RAM, and Flash memory. The configuration data stored in the OTP Core is used to customize the functionality of the chip. This customization can include setting the sampling rate and other user settings.

The AK8812 supports up to 16 RX and 4 TX ports, each having an independent data interface. The RX and TX ports use differential pairs for signal transmission. The TX side of the transceiver includes an analog-to-digital converter to convert the analog signal into digital data. The RX side contains a digital-to-analog converter to convert the digital data back into an analog signal. The data interface supports both Serial and Parallel protocol communications.

The AK8812 uses an advanced on-chip power management system to reduce power consumption. The chip features Automatic Power Down (APD) and Clock Stop (CLK-STOP) modes, which reduce power consumption when the chip is not in use.

The AK8812 is a highly integrated, low-power transceiver with many advanced features. It is especially suited for use in high-end digital audio systems. It is ideal for applications that require extremely low latency and high signal fidelity, such as VoIP and telephone communication.

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