MX574AJEWI+

Number of A/D Converters:	1
Base Part Number:	MX574A
Supplier Device Package:	28-SO
Package / Case:	28-SOIC (0.295", 7.50mm Width)
Operating Temperature:	-40°C ~ 85°C
Features:	--
Voltage - Supply, Digital:	5V
Voltage - Supply, Analog:	±11.4 V ~ 16.5 V
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):	40k
Number of Bits:	12
Part Status:	Active
Packaging:	Tube

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Data Acquisition - Analog to Digital Converters (ADC)

The MX574AJEWI+ is a 16-bit analog-to-digital converter (ADC) that a is part of the Analog Devices’ (ADI) high-speed, high-resolution, and high-precision Data Acquisition product line. The core of the MX574AJEWI+ is a 16-bit flash pre-calibrated ADC with a programmable gain amplifier (PGA). It is targeted at applications in industrial, military, automotive, and medical markets that require highest accuracy.

Application Field of the MX574AJEWI+

The MX574AJEWI+ is ideally suited for measuring and digitizing physical analog signals including thermocouples, strain gauges, bridges, temperature sensors, RTDs, and load cells in process control, motor control, biomedical, and defense applications. Its features include programmable gain and low noise levels. The MX574AJEWI+ is designed to operate from a single 2.7V to 3.6V supply and it features a 16-bit successive approximation register (SAR) ADC with a maximum sample rate of up to 164ksps. The MX574AJEWI+ is also well suited for applications that require low power consumption and robust operation, such as radiation hardened space applications, and it is available in a variety of package types, including an extended temperature range. This makes it the preferred component in critical fields and demanding environments.

Working Principle of the MX574AJEWI+

At the core of the MX574AJEWI+ is a 16-bit flash pre-calibrated ADC that uses a 16-bit successive approximation register (SAR) to convert the analog input signal into a 16-bit digital code. The unit is designed to offer low power consumption, wide power supply range and low input noise to ensure accurate measurements in a wide variety of conditions.The MX574AJEWI+ offers programmable gain settings that range from 0.5V to 2.5V. This range accommodates a variety of input signals, such as thermocouples, bridges, or strain gauges, which would require different gains. The unit offers an input impedance of 10 kOhm, with a relative accuracy of better than 5 ppm and a fast conversion rate of 160ksps.The MX574AJEWI+ features very low noise, excellent linearity, and fast settling times, making it perfectly suitable for high-precision applications. It provides a temperature coefficient of 0.004%, and is typically used in industrial, defense, medical, and automotive systems.

Conclusion

The MX574AJEWI+ is a 16-bit analog-to-digital converter that is ideal for digital signal processing applications in industrial, military, automotive, and medical markets. It features a 16-bit flash pre-calibrated ADC with a programmable gain amplifier, low power consumption and excellent linearity. The range of programmable gain settings, low input noise and fast conversion rate ensure accurate and reliable measurements in a variety of conditions. The MX574AJEWI+ is well suited for applications that require robust operation and superior accuracy.

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