AD7828KP

Number of A/D Converters:	1
Base Part Number:	AD7828
Supplier Device Package:	28-PLCC (11.51x11.51)
Package / Case:	28-LCC (J-Lead)
Operating Temperature:	0°C ~ 70°C
Features:	--
Voltage - Supply, Digital:	5V
Voltage - Supply, Analog:	5V
Reference Type:	External
Architecture:	Flash
Series:	--
Ratio - S/H:ADC:	1:1
Configuration:	MUX-S/H-ADC
Data Interface:	Parallel
Input Type:	Single Ended
Number of Inputs:	8
Sampling Rate (Per Second):	50k
Number of Bits:	8
Part Status:	Obsolete
Packaging:	Tube

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Data Acquisition - Analog to Digital Converters (ADC) play a key role in many cutting-edge technological applications. A special type of ADC, the AD7828KP, is used in a variety of devices and in many types of measuring operations. This article will explore its applications and the working principles behind it.The AD7828KP is a programmable analog-to-digital converter (ADC) that is designed for use in high-resolution data-acquisition systems. It is an 8-bit device, meaning that it can measure analog input signals with up to 8 bits of resolution. This means that it can detect a resolution down to 0.5-2.0 mV per bit, depending on the range of the input signal. As such, this ADC is ideal for a wide variety of applications, such as sensing the position of a motor, measuring temperature, or for use in monitoring and controlling systems.The AD7828KP is designed for use in analog data-acquisition applications in which the input voltage range varies significantly. It has selectable input ranges of 0-5V, 0-10V and 0-20V, which allow it to cover almost any kind of signal measurement task. It is also capable of measuring negative voltage input ranges with dedicated pins. The linearity of up to 0.30%, and its low noise levels, make this an ideal ADC for use in precision measurements.The AD7828KP is capable of both single-ended and differential input measurement configurations. For single-ended measurements, the voltage inputs can be configured as either single-ended or differential - that is, measuring one pin as positive and one pin as negative relative to the reference voltage. For differential measurements, two pins are used as relative positive and negative inputs relative to the reference voltage. Additionally, it has a dedicated pin for enabling or disabling the device, as well as a pin for resetting the device. Additionally, it also has an interrupt output for signaling when a measurement has been completed.The AD7828KP is designed for use in a variety of physical and virtual environments. It is designed to operate from a single 2.7V to 5.5V power supply, and has an operating temperature range of -40°C to +85°C. It is packaged in a 20-pin LCC (Leadless Chip Carrier) package, and is RoHS-compatible.In order to effectively use and optimize the AD7828KP, a designer must have a good understanding of the working principle behind the device. The basic working principle of the device is based on the comparison of the input voltage to the reference voltage of the ADC. This is done with the help of a voltage comparator, which compares the voltage level at the input pins of the ADC, to the reference voltage provided by the internal reference generator. The resulting output code from the comparator is then used by the main controller to determine the digital equivalent of the analog input.When the AD7828KP is enabled, the ADC\'s comparator starts to discharge the sample capacitor connected to the input pins. Once the voltage at the input pins reaches the reference voltage, the comparator stops discharging the capacitor, leaving it in a voltage state equal to the reference voltage. The logic level of the reference voltage is then converted by the ADC, and then sent to the input pins of the controller. The controller then uses this resulting digital data to determine the conversion result.In addition to its applications and working principles, the AD7828KP also offers a variety of other features and capabilities. It is capable of both single-ended and differential input measurements, has built-in protection against input over-voltages, and it can operate from a single 2.7V to 5.5V power supply. Its diverse selection of features and its compact size make it an ideal choice for use in many types of measurement applications.By leveraging the capabilities of the AD7828KP, designers and engineers are able to effectively integrate precise data-acquisition and high-resolution conversion functions into a variety of applications. Its selectable input range and its high level of linearity make it well-suited for precision measurements, while its small size and low power consumption enable it to be used in applications that require portability. Its ability to measure both differential and single-ended input signals makes it useful in a variety of measurement tasks. The AD7828KP provides a versatile and reliable analog-to-digital conversion solution, and its many integrated features make it an excellent choice for any data-acquisition application.

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