ADC121S101CISDX

Number of A/D Converters:	1
Base Part Number:	ADC121S101
Supplier Device Package:	6-WSON (2.2x2.5)
Package / Case:	6-WDFN Exposed Pad
Operating Temperature:	-40°C ~ 125°C
Features:	--
Voltage - Supply, Digital:	2.7 V ~ 5.25 V
Voltage - Supply, Analog:	2.7 V ~ 5.25 V
Reference Type:	Supply
Architecture:	SAR
Series:	--
Ratio - S/H:ADC:	1:1
Configuration:	S/H-ADC
Data Interface:	SPI, DSP
Input Type:	Single Ended
Number of Inputs:	1
Sampling Rate (Per Second):	1M
Number of Bits:	12
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Data Acquisition - Analog to Digital Converters (ADC)

The ADC121S101CISDX is a high-resolution analog-to-digital converter (ADC) designed for high-precision acquisition of analog signals from sensors. It is an instrumentation amplifier with an integrated precision track/hold circuit designed for a wide range of applications, including automotive, industrial automation, and medical diagnostics.

Application Field

This ADC121S101CISDX is most applicable in automotive, industrial automation, and medical diagnostics. In automotive, it can be used to measure temperature, pressure, and flow rates of both automotive and climate control systems. In industrial automation, it is be ideal in sensing processes, monitoring power distribution systems, machine speed control and interface boards. It can also be used in medical diagnostics as a way to read signals from EEG, ECG and other patient sensors.

Working Principle

The ADC121S101CISDX works on a differential nonlinear coding principle, which converts analog signals into an 8-bit digital data stream for further processing. The internal tracking/hold circuit can acquire small variations of the input signal, even in the presence of electrical noise. The preconditioning circuit is designed to monitor small changes in the input signal when using low gm sensors.The ADC121S101CISDX has a built-in input range selection of ±25mV, ±50mV, ±100mV and ±200mV. It also has a polarity selection, a reference voltage selection, and a power-down mode. The output data is aligned with the polarity of the preceding data and can be provided on powerup.The ADC121S101CISDX also has an integrated temperature sensor that helps maintain the thermal stability of the system and allows temperature compensation of the digital data conversion. This temperature sensor also helps in monitoring the system thermal environment, ensuring that the device is not over-heated.

Conclusion

The ADC121S101CISDX is a high-resolution analog-to-digital converter that can be used in a number of automotive, industrial, and medical applications. It has a wide range of features, such as an integrated tracking/hold circuit, a temperature sensor, and a power-down mode. With its accuracy and precision, the ADC121S101CISDX can offer reliable and precise data conversions.

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