MAX9867ETJ+TG3U

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The MAX9867ETJ+TG3U is a highly integrated low power audio codec system made for applications that rely on sound controller deployment. It can decode digital audio data from devices such as smartphones, tablets, and media players and send it over a high-definition analog audio output optimized for headphones and active speakers. Additionally, it is also able to encode analog audio data before sending it to digital sources, such as smartphone apps or media servers.

This system offers an advanced high-performance audio suite based on a Pulse Code Modulation (PCM) audio codec. It provides low noise and low power consumption while freeing designers of the costs associated with multi-chip designs. The details of the design are described in its datasheet.

The MAX9867ETJ+TG3U system consists of the MAX9867ETJ stereo analog/digital audio codec and the companion MAX3135TG3U programmable gain microphone amplifier.

The MAX9867ETJ is a mono-channel single-supply audio codec with a digital microphone interface. It is designed for use in stereo audio devices and the digital microphone can be connected using the development board to capture sound from the microphone. It also comes with an on-chip digital-to-analog (DAC) converter for playback.

The MAX3135TG3U is a programmable gain microphone amplifier, allowing audio codecs to detect ultra-low noise signals with greater precision. It includes a highly versatile voltage range input stage and a low quiescent current output stage to support a variety of microphone input levels.

The MAX9867ETJ+TG3U system is capable of producing high-quality audio output, supporting up to 64 kHz sample rates combined with 8- to 16-bit sample sizes. With the on-chip digital interface, the system is capable of interfacing with many audio systems.

An important part of the system is the on-chip microcontroller, which allows the user to configure the system to suit the desired application. It is programmable using any industry-standard development systems, enabling designers to customize the settings for their applications.

The integrated digital audio interface also supports various audio streaming protocols such as I2S and DSD (Direct Stream Digital) for streaming audio such as CDs and movies. This allows for lower latency when playing and recording audio.

The power consumption of the MAX9867ETJ+TG3U system is minimal, allowing for increased battery life on portable devices, making it suitable for use in battery-powered audio applications.

In summary, the MAX9867ETJ+TG3U system is an ideal solution for applications that require low power consumption, high audio performance, and advanced features. It is an excellent choice for designing portable and embedded audio systems.

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