ADS930E/1KG4

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Since the mid-20th century, the use of electronics and automation to measure, process and control systems has become widespread in almost every industry. This advancement has been accompanied by the development of key components, one of which is data acquisition. Data acquisition system enables many processes in the real world, such as measuring physical properties, gathering information, then digitizing it, and relaying it to another location. One of the essential components of such a system is an Analog-to-Digital Converter (ADC), which is designed to convert analog input signals into digital output signals. Among these is the ADS930E/1KG4, an 8-bit single-slope Analog-to-Digital Converter (ADC). This article will discuss the application field and working principle of the ADS930E/1KG4.

The ADS930E/1KG4 is suitable for a wide variety of applications, such as test and measurement, industrial control, medical, and military applications. Its versatile, 8-bit design allows it to be used in a variety of environments. It is designed to operate in temperatures from -40°C to +85°C and operates off of a ±5.5V power supply. The ADS930E/1KG4 datasheet specifies the RS-232 interface and a single-ended analog input bandwidth of 1MHz, allowing it to perform accurate 8-bit readings of analog signals up to 1MHz. The ADS930E/1KG4 can also be used in a variety of applications as either a stand-alone 8-bit converter or as a component of a larger 16-bit data acquisition system.

The working principle of the ADS930E/1KG4 is based on the single-slope architecture of conversion. This type of A/D converter is suitable for use in applications that require constant sampling rate over a range of analog input frequencies. The converter uses four stages to sequentially sample, convert, and digitally output a single-ended analog signal. The first stage is the sample-and-hold circuit, which samples and holds the input signal for the duration of the conversion cycle. The second stage is the integrator, which converts the sampled voltage into a ramp voltage, proportional to the amplitude of the input signal. The third stage is the comparator, which generates a binary number by comparing the ramp voltage to a reference voltage. Finally, the fourth stage is the digital latch, which stores the result of the comparison process.

The ADS930E/1KG4 also features an input multiplexer, allowing the user to select one of eight channels to sample. When the multiplexer is used, the input signal must be stable when it is switched from one channel to another. This ensures that the data obtained are accurate and that the conversion cycle is unaffected by noise or disturbances in the signal. The conversion time of the ADS930E/1KG4 varies with the applied signal frequency, with a maximum conversion speed of 20µs.

The ADS930E/1KG4 is an ideal solution for applications which require low-cost, low-accuracy, 8-bit data acquisition. Its single-slope architecture provides an accurate conversion of the signal while its multiplexer allows the user to select between multiple channels if required. The wide operating temperature range and reliable power supply make it a suitable option for many different industries and applications. The ADS930E/1KG4 is a reliable and efficient data acquisition system and an excellent choice for many applications that require 8-bit accuracy.

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