Microchip Technology MCP3422A4-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 Microchip MCP3422A4-E/MC is a precision 18-bit analog-to-digital converter featuring a 2-channel input multiplexer and programmable gain amplifier. It achieves a sampling rate of 3.75 SPS, prioritizing measurement accuracy for low-frequency signals. The device operates with an internal voltage reference and communicates via a standard I2C interface, making it straightforward to integrate into embedded systems. Its compact 8-VFDFN package and wide temperature range make it suitable for industrial sensors, portable instrumentation, and data acquisition modules.
- High Precision: 18-bit resolution provides exceptional detail for demanding measurement applications.
- Integrated PGA: Amplifies small sensor signals internally, reducing external component count and system noise.
- Multiplexed Inputs: Two differential channels allow monitoring multiple signals with a single ADC, saving board space.
- Simple I2C Interface: Easy to connect to standard microcontrollers, simplifying firmware development.
- Wide Temperature Range: Reliable operation from -40°C to 125°C for industrial environments.
Precision Sensor Signal Digitization
The 18-bit resolution and internal PGA make the MCP3422A4-E/MC ideal for accurately digitizing small signals from bridge sensors, thermocouples, and strain gauges, minimizing the need for external amplification.
Portable Data Acquisition Systems
With its low power consumption and 2-channel multiplexer, this ADC is perfect for battery-powered data loggers that need to monitor multiple sensors sequentially without sacrificing battery life.
Industrial Process Control
The wide operating temperature range (-40°C to 125°C) and high precision ensure reliable performance in harsh industrial environments for monitoring pressure, flow, and temperature transmitters.
Medical Instrumentation
The high resolution and low noise performance are suitable for medical devices such as patient monitors and diagnostic equipment where accurate biopotential signal acquisition is critical.
Weigh Scale and Force Measurement
The internal PGA allows direct connection to load cells, enabling high-resolution weight measurement systems with minimal external components and simplified PCB design.
Smart Agriculture and Environmental Monitoring
The I2C interface and small 8-VFDFN package make it easy to integrate into IoT nodes for monitoring soil moisture, pH levels, and weather conditions with high accuracy.
- Q: What type of ADC is the MCP3422A4-E/MC?
- A: It is a high-resolution, low-power, 18-bit analog-to-digital converter with an integrated MUX-PGA-ADC architecture.
- Q: What is the resolution of this ADC?
- A: The MCP3422A4-E/MC offers 18-bit resolution, providing fine measurement detail.
- Q: What is the sampling rate?
- A: The sampling rate is 3.75 SPS (samples per second), optimized for precision over speed.
- Q: How many input channels does it have?
- A: It features 2 differential input channels, selectable via the internal multiplexer.
- Q: What digital interface does it use?
- A: It communicates via the I2C interface, simplifying connection to microcontrollers.
- Q: What is the operating temperature range?
- A: It operates over an industrial temperature range of -40°C to 125°C.
- Q: What type of ADC is the MCP3422A4-E/MC?
- A: It is a high-resolution, low-power, 18-bit analog-to-digital converter with an integrated MUX-PGA-ADC architecture.
- Q: What is the resolution of this ADC?
- A: The MCP3422A4-E/MC offers 18-bit resolution, providing fine measurement detail.
- Q: What is the sampling rate?
- A: The sampling rate is 3.75 SPS (samples per second), optimized for precision over speed.
- Q: How many input channels does it have?
- A: It features 2 differential input channels, selectable via the internal multiplexer.
- Q: What digital interface does it use?
- A: It communicates via the I2C interface, simplifying connection to microcontrollers.
- Q: What is the operating temperature range?
- A: It operates over an industrial temperature range of -40°C to 125°C.

MCP3422A4-E/MC.pdf