MCP3422A0-E/SN

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MCP3422A0-E/SN

+BOM

IC ADC 18BIT SIGMA-DELTA 8SOIC

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Specifications

Attribute Value
Package / Case Tube
Part Status Active
Number of Bits 18
Sampling Rate(Per Second) 3.75, 15, 60, 240
Number of Inputs 2
Input Type Differential
Data Interface I²C
Configuration MUX-PGA-ADC
Number of A/D Converters 1
Architecture Sigma-Delta
Reference Type Internal
Voltage - Supply, Analog 2.7V ~ 5.5V
Voltage - Supply, Digital 2.7V ~ 5.5V
Features PGA
Operating Temperature -40°C ~ 125°C
Supplier Device Package 8-SOIC

Overview

Description

The MCP3422A0-E/SN is a low-power, high-precision analog-to-digital converter (ADC) developed by Microchip Technology. It features a 2-channel differential input and offers 18-bit resolution, suitable for applications requiring precise and reliable data conversion. This device operates with a low current consumption, making it ideal for battery-powered and portable applications. The MCP3422A0-E/SN supports I²C communication, allowing easy integration with microcontrollers and other digital devices.
It offers programmable gain and conversion speed options, enabling flexibility in balancing resolution and sampling rate according to application needs. The device includes an internal voltage reference, and its high accuracy makes it suitable for various applications, including sensor interfacing, industrial process control, and instrumentation. Its compact 8-pin SOIC package facilitates easy integration into designs with limited space. Overall, the MCP3422A0-E/SN is a versatile and efficient ADC solution for high-precision analog signal measurements.

Equivalent

The MCP3422A0-E/SN is a 2-channel, 18-bit Analog-to-Digital Converter (ADC) from Microchip. Equivalent products can include:
1. Texas Instruments ADS1115 – A 4-channel, 16-bit ADC.
2. Analog Devices AD5694R – Similar precision ADC, though note the channel and bit differences.
3. Maxim Integrated MAX11100 – A 14-bit ADC with similar functional capabilities.

Ensure to verify specific requirements such as resolution, input range, and I2C interface compatibility when selecting replacements.

Features

The MCP3422A0-E/SN is a low-noise, high-accuracy analog-to-digital converter (ADC) from Microchip Technology. It features:
1. Resolution: 18-bit ADC for precise measurement.
2. Channels: Two differential input channels.
3. I2C Interface: Communicates via an I2C interface for easy integration with microcontrollers.
4. Programmable Gain Amplifier (PGA): Offers gains of 1, 2, 4, or 8 for input signal amplification.
5. Variable Sample Rate: Configurable conversion speed with sampling rates of 3.75, 15, 60, or 240 samples per second.
6. Self-Calibration: Internal calibration ensures accuracy over time and varying conditions.
7. Low Operating Current: Ideal for battery-powered applications.
8. Wide Supply Range: Operates from 2.7V to 5.5V.
9. Temperature Range: Suitable for industrial applications with an operating range from -40°C to +125°C.
10. Small Package: Available in an 8-pin SOIC package, making it suitable for space-constrained designs.
These features make it suitable for applications requiring high precision and low power consumption, such as sensor interfacing and portable instrumentation.

Pinout

The MCP3422A0-E/SN is a 2-channel, 18-bit analog-to-digital converter (ADC) from Microchip Technology, packaged in an 8-pin SOIC (small outline integrated circuit). Here's a brief overview of the pin count and functions:
1. VDD (Pin 1): Power supply input.
2. VIN+ (Pin 2): Non-inverting analog input.
3. VIN- (Pin 3): Inverting analog input.
4. VSS (Pin 4): Ground reference point for the device.
5. SCL (Pin 5): Serial clock line for I²C communication.
6. SDA (Pin 6): Serial data line for I²C communication, bidirectional.
7. ADDR (Pin 7): I²C address selection pin.
8. OSCI (Pin 8): Optional external clock input or crystal oscillator pin.
These pins collectively enable the MCP3422A0-E/SN to perform high-precision analog-to-digital conversion with capabilities such as programmable gain, continuous or one-shot conversion modes, and I²C communication for easy integration into microcontroller-based systems.

Manufacturer

The MCP3422A0-E/SN is manufactured by Microchip Technology Inc. Microchip Technology is a public American semiconductor company that specializes in the production of microcontroller, mixed-signal, analog, and Flash-IP integrated circuits. It serves a wide array of markets, including automotive, aerospace, consumer electronics, and communications, providing solutions that include microcontrollers, development tools, and other electronic components. Established in 1989, Microchip Technology is known for its focus on innovation and quality in the semiconductor industry.

Application

The MCP3422A0-E/SN is a precision analog-to-digital converter (ADC) commonly used in applications requiring high accuracy and low noise. Key application areas include:
1. Industrial Automation: For monitoring and control systems requiring precise voltage and current measurements.
2. Instrumentation: Used in test and measurement equipment for accurate data acquisition.
3. Medical Devices: In diagnostic equipment where precise sensor readings are crucial.
4. Consumer Electronics: For high-resolution sensor interfacing in devices like digital multimeters.
5. Energy Management: In smart meters and renewable energy systems for monitoring power quality and efficiency.
6. Automotive Systems: For monitoring various sensors in vehicle systems, requiring reliability and precision.

Package

The MCP3422A0-E/SN is housed in an 8-pin Small Outline Integrated Circuit (SOIC) package.

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