ADC122S101CIMM Integrated Circuits (ICs)

Number of A/D Converters:	1
Base Part Number:	ADC122S101
Supplier Device Package:	8-VSSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Operating Temperature:	-40°C ~ 85°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:	MUX-S/H-ADC
Data Interface:	SPI, DSP
Input Type:	Single Ended
Number of Inputs:	2
Sampling Rate (Per Second):	1M
Number of Bits:	12
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

Analog to Digital Converters (ADC) are electronic circuits which convert analog signals into digital ones. ADC122S101CIMM is one of the most efficient ADCs available in the market today, which makes it suitable for various application fields and purposes. This article gives an overview of the application fields and working principle of the ADC122S101CIMM.

Application Fields

The ADC122S101CIMM is suitable for a wide range of different application fields. It is ideally suited for industrial and data acquisition applications such as condition monitoring, temperature monitoring, vibration monitoring, movement detection, pressure measurement and flow measurement.

The ADC122S101CIMM is also suitable for medical applications such as analysis of biomedical signals, ECG, EEG, Electrophysiological and cardiac signals, EMG and streaming of video images. In addition, it is also suitable for automotive applications, intelligent transportation systems and automation control systems.

Working Principle

The ADC122S101CIMM is an 8-bit resolution and 25ksps A/D converter which operates with a supply voltage of 5V and a single channel, non-multiplexed analog input. It functions on the successive approximation technique of conversion and has an input range of 0V to 5V.

The ADC122S101CIMM chip contains the charge redistribution successive approximation register (SAR) and comparator which are both located on the high side of the chip. The operation of the A/D converter is based on the successive approximation technique which is easier to understand with a successive approximation register (SAR).

The SAR consists of 8 stages and each stage is connected to the previous stage by way of a capacitor. These stages create a binary coded decimal (BCD) counter. The SAR also contains a register that stores the result of each conversion, which is then sent back to the converter\'s output and ready to be taken by microprocessors or other digital processing hardware.

Conclusion

In conclusion, the ADC122S101CIMM is a highly useful A/D converter that is suitable for a wide range of application fields. Its operation is based on the successive approximation technique of conversion, which makes it well-suited for applications such as data acquisition, medical applications and automotive applications.

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