PCM1851APJT

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The PCM1851APJT is an analog-to-digital converter (ADC) that allows for the conversion of analog signals into digital signals. This device is a high-precision, low-power, 8-bit ADC with sampling rates of up to 500ksps. It is suitable for applications such as audio, data acquisition, and industrial control.

The PCM1851APJT is part of the Dallas Semiconductor\'s Digital Signal Processing (DSC) family of products. It is a microprocessor-controlled device that uses an on-chip programmable clock generator to generate a precise timebase. The timebase can be used to sample and convert analog signals at different rates and with different resolutions.

The PCM1851APJT has a wide range of features that make it suitable for a variety of applications. It has an analog input range of 0 V to 3.3 V, an input dynamic range of up to 54dB, a conversion resolution of 8 bits, and an on-chip temperature sensor. It also provides 8 programmable digital-to-analog converters (DACs) for precise control of individual DACs, and 8 selectable input sources. Additionally, the device has a built-in programmable gain amplifier (PGA) that provides a range of gains from 2x to 32x.

The PCM1851APJT is ideally suited for data acquisition applications, particularly industrial control. It is ideal for sensor applications due to its wide input range, high accuracy, low power consumption, and built-in temperature sensor. It can also be used for audio applications, such as multi-channel audio sampling, as it has 8 available analog inputs and 8 DACs for audio playback. Additionally, the PGA can be used to adjust signal levels for improved performance.

In terms of its working principle, the PCM1851APJT uses an internal programmable clock generator to create the timebase used to sample and convert analog input signals into digital output data. The ADC has a Digital Sigma-Delta (DSD) architecture, which allows it to sample signals with high resolution and low power consumption. It also has an on-chip Temperature Sensor (T-Sensor) which allows the device to adjust its parameters and provide precise temperature measurements across different environmental conditions.

The PCM1851APJT is a versatile and reliable ADC with a wide range of features and applications. It is suitable for industrial control, data acquisition, audio, and many other applications. With its low power consumption, wide input range, high resolution, and programmable gain, it is an ideal choice for many applications. Additionally, the integrated T-Sensor gives it the ability to accurately measure temperature across different environmental conditions.

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