MCP3422A7-E/SN

Number of A/D Converters:	1
Base Part Number:	MCP3422A7
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 125°C
Features:	PGA
Voltage - Supply, Digital:	2.7 V ~ 5.5 V
Voltage - Supply, Analog:	2.7 V ~ 5.5 V
Reference Type:	Internal
Architecture:	Sigma-Delta
Series:	--
Ratio - S/H:ADC:	--
Configuration:	MUX-PGA-ADC
Data Interface:	I²C
Input Type:	Differential
Number of Inputs:	2
Sampling Rate (Per Second):	3.75
Number of Bits:	18
Part Status:	Active
Packaging:	Tube

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Introduction:The MCP3422A7-E/SN is an Analog to Digital Converter (ADC) from Microchip, also known as a Data Acquisition (DAQ) component. This component is a successful product designed for analog signal conditioning applications. The MCP3422A7-E/SN provides an 8-bit Digital-to-Analog Conversion (DAC) and a 8-bit Analog-to-Digital Conversion (ADC). With it, you can perform the conversion of analog signal to digital data.Application Field:When it comes to applications, the MCP3422A7-E/SN ADC is ideal for low-power, sensitive-to-environment, and precision-orientated applications. With its analog signal conditioning capability, this ADC can be used in various applications such as sensor and transducer signal conditioning, medical-image processing, industrial automation, time-of-flight (ToF) precision metrology, and many other low-power applications. Furthermore, this ADC also features low noise operation and high accuracy which makes it suitable for precision applications including audio-processing and data communication. As for power efficiency, the MCP3422A7-E/SN consumes only 11 µA when it comes to typical operation and 3.2 µA for standby mode. Therefore, this ADC is capable of being used in applications that demand low power consumption. Working Principle:The MCP3422A7-E/SN ADC works as a 7-bit successive approximation register (SAR) converter. It utilizes a unique design that allows it to achieve high-accuracy operation with low-power consumption. The ADC performs the Digital-to-Analog Conversion (DAC) by performing the approximation of analog input value with the help of a reference voltage. After which, it encodes the resulting data into a digital word and converts the digital word to its binary equivalent.The ADC also provided with a small-on-board comparator which is used to compare the converted data stored inside the ADC with the reference voltage which helps the ADC to determine if the higher or lower conversion is needed. The output of the ADC is digital thus, the value is represented in bits which can be used directly to the microcontroller or other embedded applications.Conclusion:The MCP3422A7-E/SN is an 8-bit Analog-to-Digital Converter (ADC) from Microchip. It is ideal for applications that require precision and low-power consumption such as sensor and transducer signal conditioning, medical-image processing, industrial automation, time-of-flight (ToF) precision metrology, audio-processing and data communication. This ADC works as a 7-bit successive approximation register (SAR) converter which utilizes a reference voltage to encode the analog input value into a digital word. It also features a small-on-board comparator to compare the data with the reference voltage to determine if the higher or lower conversion is needed.

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