ADS1018QDGSRQ1

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Data acquisition systems are designed to convert analog signals into digital, computer-readable signals, and the Analog-to-Digital Converters (ADC) play an important role in this process. One such ADC that is often used in data acquisition applications is the ADS1018QDGSRQ1. This application note will provide an overview of the ADS1018QDGSRQ1’s application field and working principle.

Application Field

The ADS1018QDGSRQ1 is an analog-to-digital converter that is well-suited for a variety of applications, including industrial and consumer applications. The device can be used to convert signals from three-phase electric motors, power supplies, thermocouples, and other analog input signals into digital signals that can be used in a wider range of applications. It has several features that make it ideal for these types of applications, including a high resolution (8-bit), a wide input voltage range (4V to 30V), and a maximum sampling rate of 500kSPS. In addition, the device has high-immunity to digital noise, and low power consumption.

The ADS1018QDGSRQ1 is also well-suited for high speed data acquisition systems. Its high resolution and wide input voltage range make it well-suited for applications that require accurate data acquisition in a wide range of input voltages. Furthermore, its digital noise immunity and low power consumption make it ideal for high speed data acquisition systems with high throughput.

Working Principle

The working principle of the ADS1018QDGSRQ1 is based on a delta-sigma conversion method. The device uses an array of capacitors to convert the analog input signal into a stream of digital values. The conversion process is as follows: the input signal is applied to the input pin of the converter, and the analog signal is converted into a stream of digital values by the capacitors. The capacitors act as analog switches, and when the input voltage exceeds a predetermined level, the capacitors are switched and the charge is transferred to the output register, which is then converted into a digital value.

The ADS1018QDGSRQ1 is also equipped with a low-power, low-noise digital filter, which helps remove unwanted noise from the digital output of the converter. The filter is also used to reduce the amount of jitter, which is the fluctuation in the output data rate caused by changes in the analog input signal.

The ADS1018QDGSRQ1 is also equipped with an output voltage range selector, which allows the user to select either a 4V or a 30V output voltage range. This means that the converter can be used to measure input voltages from 4V to 30V and still maintain a high resolution. Furthermore, the device features an auto-zero functionality, which reduces the offset errors present in the analog-to-digital conversions.

Overall, the ADS1018QDGSRQ1 is an ideal solution for a wide range of analog-to-digital conversion needs. Its features, including its high resolution, wide input voltage range, low power consumption, and digital noise immunity make it an ideal choice for many applications. Additionally, its output voltage range selector and auto-zero functionality make it well-suited for a variety of applications, including industrial and consumer applications.

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