Microchip Technology

MCP3421A0T-E/CH  

Analog to Digital Converters

MCP3421A0T-E/CH Description

The MCP3421A0T-E/CH is a high-performance, 18-bit Sigma-Delta Analog-to-Digital Converter (ADC) designed and manufactured by Microchip Technology. This device is housed in a compact, surface-mount SOT23-6 package and is part of the Analog to Digital Converters category. With its advanced features and specifications, the MCP3421A0T-E/CH is an ideal choice for applications requiring high-resolution and accurate measurements.

MCP3421A0T-E/CH Features

• 18-bit Resolution: The MCP3421A0T-E/CH offers 18-bit resolution, providing high precision and accuracy in converting analog signals to digital data.
• Sigma-Delta Architecture: This ADC employs a Sigma-Delta architecture, which enables it to achieve high signal-to-noise ratio (SNR) and low distortion, making it suitable for demanding applications.
• Programmable Gain Amplifier (PGA): The built-in PGA allows for flexible signal conditioning, enabling the device to handle a wide range of input signal levels.
• I2C Interface: The MCP3421A0T-E/CH features a 2-wire I2C digital interface, simplifying integration into complex systems and reducing the number of required connections.
• Wide Supply Voltage Range: The device operates with a supply voltage range of 2.7V to 5.5V for both analog and digital supplies, providing flexibility in power management.
• Low Power Consumption: With a sampling rate of 3.75 samples per second, the MCP3421A0T-E/CH offers low power consumption, making it suitable for battery-powered applications.
• RoHS Compliance: The MCP3421A0T-E/CH is compliant with RoHS3 standards, ensuring environmental responsibility in manufacturing and use.

MCP3421A0T-E/CH Applications

The MCP3421A0T-E/CH is well-suited for a variety of applications where high-resolution and accurate analog-to-digital conversion is required. Some specific use cases include:

• Sensor Signal Conditioning: In industrial and environmental monitoring systems, the MCP3421A0T-E/CH can be used to convert sensor signals, such as temperature, pressure, or humidity, into digital data for further processing.
• Audio Processing: In audio equipment, this ADC can be employed to digitize analog audio signals with high fidelity, ensuring clear and distortion-free sound reproduction.
• Medical Equipment: The high resolution and accuracy of the MCP3421A0T-E/CH make it an excellent choice for medical devices that require precise measurements, such as blood pressure monitors or ECG machines.
• Precision Measurement Instruments: In applications like digital multimeters or oscilloscopes, the MCP3421A0T-E/CH can provide the high-resolution conversion needed for accurate measurements.

Conclusion of MCP3421A0T-E/CH

The MCP3421A0T-E/CH from Microchip Technology is a versatile and high-performance ADC, offering 18-bit resolution, a Sigma-Delta architecture, and a programmable gain amplifier. Its I2C interface, wide supply voltage range, and low power consumption make it an ideal choice for a variety of applications, including sensor signal conditioning, audio processing, medical equipment, and precision measurement instruments. With its RoHS compliance and REACH unaffected status, the MCP3421A0T-E/CH is not only a technically advanced solution but also an environmentally responsible one.

MCP3421A0T-E/CH Documents

Download datasheets and manufacturer documentation for MCP3421A0T-E/CH

PCN Assembly/Origin :

Bond Wire 17/Jan/2023      

Datasheets :

MCP3421 Datasheet      

PCN Packaging :

Packing Changes 10/Oct/2016       Label and Packing Changes 23/Sep/2015      

Reference Design Library :

MCP3421DM-WS: 2kg Weight Scale w/ USB & LCD      

Design Resources :

MCP3421 Development Tool Selector      

HTML Datasheet :

MCP3421 Datasheet      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH