AD7899ARSZ-2

Number of A/D Converters:	1
Base Part Number:	AD7899
Supplier Device Package:	28-SSOP
Package / Case:	28-SSOP (0.209", 5.30mm Width)
Operating Temperature:	-40°C ~ 85°C
Features:	--
Voltage - Supply, Digital:	5V
Voltage - Supply, Analog:	5V
Reference Type:	External, Internal
Architecture:	SAR
Series:	--
Ratio - S/H:ADC:	1:1
Configuration:	S/H-ADC
Data Interface:	Parallel
Input Type:	Single Ended
Number of Inputs:	1
Sampling Rate (Per Second):	400k
Number of Bits:	14
Part Status:	Active
Packaging:	Tube

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Introduction
The AD7899ARSZ-2 is an analog-to-digital converter (ADC) utilized as a specialized data acquisition system in various industrial and commercial applications. It offers superior performance in terms of both speed and noise immunity, being able to sample and convert an analog signal in various conditions with consistent accuracy up to 24 bits. Moreover, the interface capability of the AD7899ARSZ-2 makes it convenient to integrate with other equipment, both digital and analog, setting it apart from other ADCs available on the market. Application field
Due to its advantage in terms of speed and conversion accuracy, the AD7899ARSZ-2 can be used in a variety of industrial and commercial applications. Motion detection and robotics projects can benefit from its fast sampling rate, ensuring reliable and accurate results in situations where timing is critical. Similarly, the precision provided by this ADC means that the extracted data can be used for temperature, force and pressure monitoring and control with reliable accuracy. Furthermore, its compatibility with other electronic devices makes it suitable for mixed applications where it collaborates with analog and digital components. As an example, the AD7899ARSZ-2 could be used together with AI-enabled transducers to detect and analyze movements, giving automated systems the capability to differentiate signals and make decisions without human interference. Working Principle
The AD7899ARSZ-2 is based on a differential pulse-code modulation (PCM) converter architecture. The analog signal is sampled and held by an input multiplexer before reaching a track-and-hold amplifier, where the analog information is acquired and the signal is clocked. The incoming signal is then processed by active filters and linear tracking dense networks to ensure noise robustness. The data is then subjected to a subtractive dithering process and finally, a dual-slope Delta-Sigma modulator is used to convert the analog samples into digital data. The Delta-Sigma modulator can be connected to an optional low-noise programmable oscillator. The oscillator generates a reference clock which is used to modulate and decode the bit pattern, allowing for a multiplexed single-ended mode of operation with clock frequency up to 8 MHz.The AD7899ARSZ-2 features 24 bits of resolution in a compact package, making it one of the most precise and competitively priced ADCs in its class. Additionally, a wide voltage range of 2.7 V to 5.5 V and an operating temperature range between -40°C and +85°C make this ADC suitable for multiple applications.Conclusion
The AD7899ARSZ-2 is a reliable analog-to-digital converter specifically designed for data acquisition purposes. Its noise immunity, accuracy and speed render it suitable for a range of applications, from robotics and motion detection, to temperature, force and pressure monitoring. Furthermore, its compatibility with other devices and its programmable oscillator make it a suitable choice for mixed applications. This ADC features 24-bit resolution, a wide voltage range, and an operating temperature range of between -40°C and +85°C, making it a standout in its class.

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