Microchip Technology MCP3421A0T-E/CHVAO

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series
Packaging |
Number of Bits 18
Sampling Rate (Per Second) 3.75
Number of Inputs 1
Input Type Differential
Data Interface I2C
Configuration PGA-ADC
Ratio - S/H:ADC 1:1
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
Mounting Type Surface Mount
Grade Automotive
Qualification AEC-Q100
Package / Case SOT-23-6
Supplier Device Package SOT-23-6
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The MCP3421A0T-E/CHVAO is a high-precision 18-bit analog-to-digital converter from Microchip Technology, featuring an integrated programmable gain amplifier (PGA). It operates at a sampling rate of 3.75 SPS, optimized for high-accuracy, low-speed applications. The device uses an internal reference and communicates via the I2C interface, simplifying system design. Housed in a compact SOT-23-6 package, it is ideal for space-constrained and portable applications. Its wide operating temperature range of -40°C to 125°C makes it suitable for industrial and medical environments.

  • Ultra-High Resolution: 18-bit resolution provides exceptional accuracy for precise measurements.
  • Integrated PGA: Amplifies small signals internally, reducing the need for external components.
  • Simple Interface: I2C communication requires only two wires for easy integration.
  • Low Power Consumption: Ideal for battery-powered and energy-efficient designs.

Precision Sensor Measurement

The 18-bit resolution and internal PGA make it ideal for measuring small signals from sensors like thermocouples and strain gauges.

Low-Speed Data Acquisition

With a 3.75 SPS sampling rate, it is perfect for low-speed, high-accuracy data acquisition in environmental monitoring.

Battery-Powered Devices

The low power consumption and small SOT-23-6 package make it suitable for portable and battery-powered instruments.

Industrial Process Monitoring

Its I2C interface allows for easy integration into industrial control systems for precise monitoring of process variables.

Medical and Healthcare Devices

The high resolution is beneficial for medical devices such as digital thermometers and blood pressure monitors.

Q: What type of ADC is the MCP3421A0T-E/CHVAO?
A: It is a high-resolution, delta-sigma analog-to-digital converter with an integrated PGA.
Q: What is the resolution?
A: It offers 18-bit resolution.
Q: What is the sampling rate?
A: The sampling rate is 3.75 SPS (samples per second).
Q: How many channels does it have?
A: It has a single (1) input channel.
Q: What interface does it use?
A: It uses the I2C interface.
Q: What is the package type?
A: It is available in a SOT-23-6 package.
Base Product Number : MCP3421
1 Channel 18-bit 3.75 SPS ADC Analog-to-Digital Converter I2C MCP3421 Microchip SOT-23
Q: What type of ADC is the MCP3421A0T-E/CHVAO?
A: It is a high-resolution, delta-sigma analog-to-digital converter with an integrated PGA.
Q: What is the resolution?
A: It offers 18-bit resolution.
Q: What is the sampling rate?
A: The sampling rate is 3.75 SPS (samples per second).
Q: How many channels does it have?
A: It has a single (1) input channel.
Q: What interface does it use?
A: It uses the I2C interface.
Q: What is the package type?
A: It is available in a SOT-23-6 package.