Microchip Technology MCP3422A2-E/MS

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series
Packaging Tube |
Number of Bits 18
Sampling Rate (Per Second) 3.75
Number of Inputs 2
Input Type Differential
Data Interface I2C
Configuration MUX-PGA-ADC
Ratio - S/H: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
Mounting Type Surface Mount
Grade -
Qualification -
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package 8-MSOP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The MCP3422A2-E/MS from Microchip Technology is an 18-bit, low-power analog-to-digital converter designed for precision measurement in power-sensitive applications. It features a maximum sampling rate of 3.75 SPS and 2 input channels. The device uses an I2C interface and includes an internal reference, simplifying circuit design. Its MUX-PGA-ADC architecture provides programmable gain amplification. It operates over a temperature range of -40°C to 125°C and is available in a compact 8-MSOP package, making it ideal for portable and battery-powered devices.

  • Ultra-Low Power: Designed for battery-powered and energy-harvesting applications.
  • High Resolution: 18-bit resolution provides precise measurements.
  • Integrated PGA: Programmable gain amplifier allows for signal conditioning without external components.
  • Internal Reference: Reduces external part count and simplifies design.

Low-Power Sensor Monitoring

The low power consumption and 18-bit resolution make it ideal for battery-powered sensor nodes.

Temperature and Pressure Sensing

It can accurately digitize signals from temperature and pressure sensors in industrial and consumer applications.

Portable Medical Devices

Its small size and low power are perfect for portable medical devices like glucose meters and pulse oximeters.

Energy Harvesting Systems

The ultra-low power operation is suitable for energy harvesting applications where power is limited.

Precision Instrumentation

High resolution and internal reference make it suitable for precision measurement instruments.

Q: What is the MCP3422A2-E/MS?
A: It is an 18-bit, low-power analog-to-digital converter (ADC) from Microchip Technology.
Q: What is the resolution?
A: It provides 18-bit resolution.
Q: What is the sampling rate?
A: The maximum sampling rate is 3.75 SPS (samples per second).
Q: How many channels does it have?
A: It has 2 input channels.
Q: What interface does it use?
A: It uses an I2C interface.
Q: What is the package type?
A: It comes in an 8-TSSOP or 8-MSOP package.
Base Product Number : MCP3422
18-bit 2-channel 3.75 SPS 8-MSOP ADC Analog-to-Digital Converter I2C MCP3422 Microchip MUX-PGA-ADC
Q: What is the MCP3422A2-E/MS?
A: It is an 18-bit, low-power analog-to-digital converter (ADC) from Microchip Technology.
Q: What is the resolution?
A: It provides 18-bit resolution.
Q: What is the sampling rate?
A: The maximum sampling rate is 3.75 SPS (samples per second).
Q: How many channels does it have?
A: It has 2 input channels.
Q: What interface does it use?
A: It uses an I2C interface.
Q: What is the package type?
A: It comes in an 8-TSSOP or 8-MSOP package.