Microchip Technology MCP3422A2-E/MC
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $11.48 | $11.48 |
| 15+ | $2.64 | $39.60 |
| 25+ | $2.58 | $64.50 |
| 50+ | $2.44 | $122.00 |
| 100+ | $2.15 | $215.00 |
| N+ | $0.43 | Price Inquiry |
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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-VFDFN Exposed Pad |
| Supplier Device Package | 8-DFN (2x3) |
| ROHS |
The MCP3422A2-E/MC is an 18-bit delta-sigma ADC from Microchip Technology, designed for high-precision measurement applications. It features 2 differential channels, a built-in PGA, and an internal reference, all in a compact 8-VFDFN package. With a sampling rate of 3.75 SPS, it is optimized for slow, accurate signal conversion. The I2C interface simplifies connectivity to microcontrollers. Operating from -40°C to 125°C, this ADC is well-suited for industrial, medical, and environmental monitoring applications where precision is critical.
- High Precision: 18-bit resolution ensures accurate digitization of small analog signals.
- Built-In PGA: Provides adjustable gain to match sensor output ranges.
- Internal Reference: Reduces external components and improves system reliability.
- I2C Compatibility: Standard interface supports multiple devices on the same bus.
- Wide Operating Range: -40°C to 125°C for use in harsh environments.
Industrial Process Control
The 18-bit resolution allows precise monitoring of 4-20 mA loop signals in industrial process control systems.
Smart Agriculture
Ideal for soil moisture sensors and weather stations where high accuracy and low power are required.
Energy Harvesting Systems
Low power consumption makes it suitable for energy-harvesting nodes that measure environmental parameters.
Laboratory Instruments
High resolution and internal reference support accurate measurements in pH meters and conductivity meters.
Automotive Sensor Interfaces
Wide temperature range and precision make it useful for battery management and motor temperature sensing.
Data Loggers
The I2C interface and small package enable compact multi-channel data logging designs.
- Q: What is the resolution of the MCP3422A2-E/MC?
- A: It is an 18-bit analog-to-digital converter.
- Q: What is the sampling rate?
- A: The sampling rate is 3.75 SPS.
- Q: How many channels does it have?
- A: It has 2 differential input channels.
- Q: What interface does it use?
- A: It uses the I2C interface.
- Q: What is the architecture?
- A: It uses a MUX-PGA-ADC architecture with delta-sigma conversion.
- Q: What is the package and temperature range?
- A: It comes in an 8-VFDFN exposed pad package and operates from -40°C to 125°C.
- Q: What is the resolution of the MCP3422A2-E/MC?
- A: It is an 18-bit analog-to-digital converter.
- Q: What is the sampling rate?
- A: The sampling rate is 3.75 SPS.
- Q: How many channels does it have?
- A: It has 2 differential input channels.
- Q: What interface does it use?
- A: It uses the I2C interface.
- Q: What is the architecture?
- A: It uses a MUX-PGA-ADC architecture with delta-sigma conversion.
- Q: What is the package and temperature range?
- A: It comes in an 8-VFDFN exposed pad package and operates from -40°C to 125°C.

MCP3422A2-E/MC.pdf