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Rochester Electronics PCM1804DB Environmental and export classification status description

The PCM1804 is a low-power, 24-bit, 192 kHz audio ADC featuring a digital filter that provides high-quality audio conversion. It utilizes a differential input architecture, which helps in reducing noise and distortion. The PCM1804 is suitable for various applications, particularly in high-quality audio systems. Functions: 1. Analog-to-Digital Conversion: The primary function is to convert analog audio signals into digital data with high resolution (24-bit). 2. Dynamic Range: It offers a high dynamic range, which allows for the accurate reproduction of audio signals without significant distortion. 3. Digital Filter: The ADC integrates a digital filter to eliminate unwanted frequencies and to optimize the audio signal processed. 4. Differential Inputs: The device features differential voltage inputs which help in common-mode noise rejection. 5. Configurable Sampling Rates: Supports various sampling rates up to 192 kHz, allowing for flexibility in audio applications. Applications: 1. Professional Audio Equipment: Used in mixers, recorders, and sound cards for high-quality audio processing. 2. Musical Instruments: Integrated into electronic musical instruments for digital output. 3. Home Theater Systems: Enhances sound quality in home audio setups. 4. Broadcasting Equipment: Utilized in radio and television broadcasting setups. 5. Voice Recognition Systems: Used in applications requiring high-quality audio capture for voice processing. Alternative Components: 1. AKM AK4452: A 32-bit audio DAC known for its high performance in audio applications. 2. Wolfson WM8740: A high-performance stereo DAC with a good balance of features and performance. 3. Cirrus Logic CS4272: A low-power stereo ADC and DAC suitable for portable audio devices. 4. ESS Technology ES9023: A high-performance, 24-bit stereo DAC for general-purpose audio applications. 5. NXP (formerly Freescale) st7920: A family of interface chips, providing audio conversion solutions. Embedded Modules: - TI Evaluation Module (EVM): Texas Instruments often provides evaluation modules for its devices, including the PCM1804, to help developers test their circuits and understand the capabilities of the ADC. - Development Kits: Various development kits might be built around PCM1804 for audio processing applications in DSPs or microcontrollers, featuring the necessary circuitry to facilitate easy integration. Related Q&A 1. Q: What is the maximum sampling rate of the PCM1804? A: The PCM1804 supports a maximum sampling rate of 192 kHz. 2. Q: Can the PCM1804 be used in portable devices? A: Yes, the PCM1804 is designed with low power consumption, making it suitable for portable audio applications. 3. Q: How does the differential input benefit the PCM1804? A: The differential input helps to reduce noise and improve the signal-to-noise ratio (SNR) by rejecting common-mode noise. 4. Q: What is the bit depth of the PCM1804? A: The PCM1804 has a bit depth of 24-bits. 5. Q: Is there an evaluation module available for the PCM1804? A: Yes, Texas Instruments offers evaluation modules (EVM) for the PCM1804 to assist with testing and development. Together, this information should provide a comprehensive understanding of the Texas Instruments PCM1804DB and its applications within the integrated circuits category.