MAX113CAG

Number of A/D Converters:	1
Base Part Number:	MAX113
Supplier Device Package:	24-SSOP
Package / Case:	24-SSOP (0.209", 5.30mm Width)
Operating Temperature:	0°C ~ 70°C
Features:	Selectable Address
Voltage - Supply, Digital:	3 V ~ 3.6 V
Voltage - Supply, Analog:	3 V ~ 3.6 V
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:	4
Sampling Rate (Per Second):	400k
Number of Bits:	8
Part Status:	Obsolete
Packaging:	Tube

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Data Acquisition - Analog to Digital Converters (ADC)

Analog to Digital Converters (ADC) are an important tool for data acquisition and processing, since they allow for the conversion of analog signals into digital signals for further processing. The MAX113CAG is a single-ended, 10-bit, 200ksps analog-to-digital converter (ADC) that is capable of converting a single-ended analog signal into a 10-bit digital word.

Application Field

The MAX113CAG has many applications across various industries, including medical, industrial, communications, and automotive. In medical applications, the MAX113CAG can be used to measure physiologic signals such as body temperature, heart rate, pressure, and more. In industrial applications, the MAX113CAG can be used to measure processes, pressure, temperature, and more. In communications, the MAX113CAG can be used to measure the analog signals that are used in the transmission of data. In automotive applications, the MAX113CAG can be used to measure fuel level, tire pressure, and performance data. The MAX113CAG is also designed to interface easily with both microcontrollers and larger systems.

Working Principle

The MAX113CAG employs a successive approximation register (SAR) architecture to obtain accurate measurements of the analog signal. The SAR architecture contains a string of capacitors that store the analog voltage as a charge on the capacitor array. A comparator then compares the analog voltage to several reference voltages generated by the ADC. As the SAR progresses, the comparator refines the comparison until it finds a result that matches the analog voltage. This process is repeated for a predetermined number of bits, which determines the resolution of the ADC.The MAX113CAG is designed for single-ended applications where the analog signal is referenced at ground. This design simplifies the design of the system as it eliminates the need for a separate bias voltage. The MAX113CAG also features a self-calibration circuit that provides an improved accuracy over time through temperature fluctuations.The MAX113CAG also features a shutdown mode which powers down the digital sections of the ADC in order to reduce the power consumption. This shutdown mode can be activated and deactivated via the digital control pins. The MAX113CAG also features a sample-and-hold circuit, which allows for single-ended conversions with the input voltage remaining constant during the conversion process.

Conclusion

The MAX113CAG is an ideal analog-to-digital converter for a variety of data acquisition applications, as it is capable of providing a 10-bit conversion at 200ksps. Its single-ended design ensures that it is easy to implement and eliminates the requirement for bias voltage. Its self-calibration circuit which allows for improved accuracy over time without the need for calibration. Its shutdown mode also provides for a power saving during the idle times. Overall, the MAX113CAG provides an ideal ADC for a variety of applications.

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