PCM1702U

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The PCM1702U is a high performance Audio-to-Digital Converter (ADC) capable of providing 24-bit resolution digital audio information from a sampling rate of 7.5kHz to 50kHz. With Dual/Quad Differential Input options and a programmable gain range of 0dB to 42dB, the PCM1702U is an ideal solution for audio applications that require high precision digital audio data acquisition. The PCM1702U is used in a variety of products including audio interfaces, digital cameras, voice recorders, and digital audio workstations.

The main application field for the PCM1702U is Audio Data Acquisition. Its high performance and exacting specifications ensure that it is capable of providing reliable and accurate audio data from a wide range of audio sources. Its dual/quad differential input options allow for inputs from both single-ended and balanced (differential) sources, providing additional versatility for audio applications. Additionally, the PCM1702U can operate from a supply voltage range of 3.0V to 5.25V, and its low power consumption of only 150mW makes it suitable for battery powered applications.

The PCM1702U is based on Philips’ Improved Lossless Self-Clocking (ILSC) architecture, which uses an analog to digital converter (ADC) that operates at a fixed sampling rate and an adjustable gain and decimation rate digital signal processor (DSP). The fixed sampling rate of the ADC eliminates the need for an external crystal, allowing the PCM1702U to be easily integrated into devices that do not require an external, synchronized digital audio clock source. In addition, the adjustable gain and decimation rate capabilities of the DSP allow users to fine-tune the accuracy of the PCM1702U’s audio data acquisition from a wide range of input sources.

The adjustable gain of the PCM1702U makes it suitable for a wide range of audio applications, including high-end audio equipment, professional recording studios and other specialized applications. The adjustable gain range of 0dB to 42dB allows users to set the appropriate gain value for each specific audio source, ensuring maximum accuracy and fidelity. The adjustable decimation rate further enhances the PCM1702U’s accuracy and fidelity by allowing users to select the appropriate sample size and bit-depth for each audio source.

The PCM1702U is designed to provide excellent audio data accuracy at a low cost. Its low power consumption, adjustable gain, and adjustable decimation rate make it an ideal solution for a wide range of audio data acquisition applications, from consumer audio devices to professional recording studios. Its flexibility and precision make it one of the best solutions for any audio data acquisition needs.

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