PCM3794RHBTG4

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PCM3794RHBTG4 belongs to the category of Interface - CODECs, and is widely used in various modern audio applications. It is a low power, high performance, mono audio and voice A/D convertion integrated device. The device can support up to 6kHz of sample rate and features a variety of features, such as analog input amplification, fixed gain settings, adjustable low pass filter and microphone gain, etc. This document will discuss the application field and working principle of PCM3794RHBTG4.

The main application field of PCM3794RHBTG4 lies within digital audio and voice processing, recording, streaming and waveform generation. Speaking specifically, PCM3794RHBTG4 can be used to design advanced digital audio equipment, such as microphones, digital audio processors, speech recognition systems, hands-free communication systems and voice-activating systems. It can be used to provide high quality audio input signals with very low noise floor while consuming minimal power. Also, it can process audio signals from both analog and digital sources without introducing distortion. Besides, PCM3794RHBTG4 also enables Line Input and Line Output for connecting to external components like speakers.

In terms of its working principle, PCM3794RHBTG4 is capable of converting analog signals into digital signals by first passing the analog signal through the on-chip amplifier with adjustable gain in order to reduce noise and distortion artifacts. After amplification, the signal is then processed by the on-chip low pass filter to remove any frequencies above the desired sampling frequency. Finally, the filtered signal is passed through the on-chip A/D converter to convert the analog signal into its digital form. The on-chip A/D converter uses advanced Sigma-Delta Modulation to maintain high resolution and resolution in the digital domain. Once the conversion is complete, the output data can then be processed further by being transferred and stored in digital devices.

PCM3794RHBTG4 also has some configurable features, such as selectable gains, adjustable microphone gain, etc. These features helps in controlling the analog signal amplification and noise in the digital domain and allow users to customize the audio input performance according to their needs. Furthermore, the fixed gains setting allows the analog signals to be scaled up to 106dB, allowing for high dynamic range audio input. In addition, the device is capable of sustaining up to 3.3V of supplies voltage, which is 1/3 of traditional CODECs, as well as having an operating ambient temperature range from -40 to 85 degrees Celsius. This allows the device to be used in a wide variety of services, from consumer electronics to industrial applications.

In conclusion, the PCM3794RHBTG4 is a low power, high performance, mono audio and voice A/D conversion integrated device with a wide range of application fields. It offers adjustable gains settings and adjustable microphone gains, allowing for high dynamic range audio input. Besides, the on-chip A/D converter uses advanced sigma-delta modulation and supports up to 6kHz sample rates. These features makes PCM3794RHBTG4 popular in digital audio and voice processing applications, such as microphones, digital audio processors and hands-free communication systems.

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