PCM1864QDBTRQ1

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PCM1864QDBTRQ1, made by TI company, is a special purpose chip featuring integrated data conversion with sample rate up to 192 kHz. This highly integrated and high performance digital audio data converter includes high speed analog-to-digital conversion, low speed digital-to-analog conversion, digital signal processing and signal generation all into one chip. The most popular applications include digital signal processing, broadcasting, audio signal measurement and so on.

The PCM1864QDBTRQ1 is a 4-channel audio analog-to-digital converter that combines 24 bits and 192 kHz of resolution with integrated signal processing and multiple output formats. It can be used to digitize 4-channel streams of audio signals and also provides an output of 16 bits compressed/expanded data. It also supports integrated support for PCM and I2S interface, making integration into systems that use multiple digital audio formats much easier.

The PCM1864QDBTRQ1’s sample rate is up to 192 kHz and its dynamic range is from 100 dB. It includes Variable sample rate conversion, the digital low-pass filter and the gain control feature. The Variable sample rate conversion feature enables it to convert audio signal with different input rate to output sample rate. The digital low-pass filter (optional) ensures that the incoming audio is free from any low-frequency noise. The gain control provides amplification/attenuation to the incoming audio signal to adjust it to ideal levels.

Moreover, the PCM1864QDBTRQ1 includes several features such as programmable gain, programmable input selections, delay compensation, integrated anti-aliasing filter, built-in calibration, power shutdown and many more. The programmable gain is adjustable in 4 stages and ranges from 0 dB to +48 dB. Programmable input selection can toggle between MIC, analog and I2S audio sources. The delay compensation feature is for controlling sound delay for synchronization in audio processing systems. The integrated anti-aliasing filter helps in cleaning up any noise from the incoming audio signal. Built-in calibration helps adjust the offset, gain and linearity of the device. Finally, the power shutdown can turn off the power supply to the device when not in use, so as to save energy.

The PCM1864QDBTRQ1 is used in many popular applications, such as digital audio signal processing, broadcasting, audio signal measurement, audio analysis and other digital audio applications. For example, it can be used to generate digital audio streams for broadcast or recording. It can also be used to analyze incoming audio signals and adjust the gain, delay and other parameters accordingly.The PCM1864QDBTRQ1 chip offers high resolution, low power consumption, high speed and many other features, making it ideal for use in digital audio applications requiring high performance.

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