Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Number of Bits:	24
Sampling Rate (Per Second):	100
Number of Inputs:	2
Input Type:	Differential, Single Ended
Data Interface:	SPI
Configuration:	MUX-ADC
Ratio - S/H:ADC:	--
Number of A/D Converters:	1
Architecture:	Sigma-Delta
Reference Type:	External
Voltage - Supply, Analog:	2.7 V ~ 5.5 V
Voltage - Supply, Digital:	2.7 V ~ 5.5 V
Features:	Temperature Sensor
Operating Temperature:	-40°C ~ 105°C
Package / Case:	16-VQFN Exposed Pad
Supplier Device Package:	16-VQFN (4x4)
Base Part Number:	ADS1226

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Introduction

Data acquisition, also known as DAQ, is the utilization of analog-to-digital (A/D) converters to capture and measure real-world electrical signals. Converters such as the ADS1226IRGVT enable the conversion of signals from one form (an analog signal) to another form (a digital signal). This allows electrical signals, including temperature, force, voltage, current and motion, to be amplified, filtered, and measured digitally, making data acquisition possible.

Applications of the ADS1226IRGVT

The ADS1226IRGVT is a high-resolution digital signal receiver designed to capture data in a range of applications. These include industrial automation, metrology, portable instruments, test and measurement, and medical and security monitoring. The versatile functionality of the device allows for direct connection to a number of signal sources, including thermocouples, RTDs, strain gauges, bridge sensors, and 4-20 mA current loops.

Working Principle

The ADS1226IRGVT is a 16-bit analog-to-digital converter (ADC). It utilizes a Sigma-Delta conversion technique that converts an analog signal, such as voltage or current, into a digital signal. This involves sampling the signal at a precise rate, converting it to a stream of digital data which can then be processed and analyzed by a microcontroller.The standard current input range of the ADS1226IRGVT is ±250 μA, while its voltage input range is 0 - 4.096V. The device has a high accuracy and is capable of sampling up to 2880 Hz. Additionally, it includes a programmable gain amplifier and programmable offset, which enables the device to quickly adapt to a variety of signal types and to meet a wide range of accuracy requirements.Moreover, the device supports a simple "one-wire" interface, allowing for easy integration into a variety of microcontroller-based systems. This makes it an ideal solution for automated measurement and data acquisition systems.

Conclusion

The ADS1226IRGVT from Analog Devices is a high-resolution 16-bit analog-to-digital converter. Its versatile design and one-wire interface have made it an ideal solution for a wide range of applications, including industrial automation, metrology, portable instruments, test and measurement, and medical and security monitoring. The device utilizes a Sigma-Delta conversion technique to convert analog signals into digital data. Furthermore, the ADC features a programmable gain amplifier and programmable offset, allowing it to quickly adapt to a variety of signal types and meet a wide range of accuracy requirements.

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