PCM2704CDBR

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The PCM2704CDBR, produced by Texas Instruments Inc., is a special purpose analog-to-digital converter (ADC) designed for audio applications. It is capable of providing up to 8-bit resolution digital output with low distortion, extremely low noise operation and a wide input voltage range. With its fast response time and low external component count, it is ideal for use in portable audio devices.

The application field of the PCM2704CDBR includes applications such as digital audio players and recorders, audio teleconferencing devices, portable audio recording, wireless audio systems, and other digital audio applications. It offers both single-ended and fully-differential inputs, allowing it to be used in a wide variety of digital audio applications.

The PCM2704CDBR operates by receiving an analog input signal, typically from a microphone or other analog audio source. This signal is then converted to a digital value through the use of a delta-sigma ADC. The delta-sigma ADC works by taking a continuous stream of measurements from the analog input signal, and then comparing it to a reference value. The value measured is then stored as a digital output value. The delta-sigma ADC also uses a low-pass filter to remove any noise from the analog input signal, thus ensuring a clean digital output.

The PCM2704CDBR also includes a host of features to ensure a high-quality digital output. It incorporates dynamic range control, phase-matched bass boost, and reduced distortion algorithms to provide a digital conversion with minimum distortion. Additionally, it also includes both a digital-to-analog converter (DAC) and a headphone amplifier to allow for a full-duplex audio experience. The PCM2704CDBR is also designed to operate from a single 3V to 5V supply and has a low power consumption of only 42mW.

In summary, the PCM2704CDBR is a highly advanced and versatile ADC ideal for use in digital audio applications. It is capable of providing a low power and distortion free output, while also providing phase-matched bass boost and reduced distortion algorithms. Additionally, it provides both single-ended and fully-differential inputs to accommodate a wide range of applications. All of these features combine to make the PCM2704CDBR an ideal ADC for digital audio applications.

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