Microchip Technology MCP3422A1-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 MCP3422A1-E/MC from Microchip Technology is a high-precision 18-bit analog-to-digital converter with a built-in programmable gain amplifier (PGA). It features 2 differential input channels and a low sampling rate of 3.75 SPS, optimized for accurate measurement of slow-changing signals. The device uses an I2C interface and includes an internal voltage reference, simplifying circuit design. Housed in a compact 8-VFDFN package, it operates over -40°C to 125°C. This ADC is perfect for precision instrumentation, medical devices, and industrial sensing applications requiring high resolution.
- Ultra-High Resolution: 18-bit conversion provides exceptional detail for low-level signal measurement.
- Integrated PGA: Amplifies small signals internally, reducing external component requirements.
- Internal Reference: Eliminates the need for an external voltage reference, saving cost and space.
- Simple I2C Interface: Easy integration with microcontrollers using only two wires.
- Low Power Operation: Suitable for battery-powered and portable applications.
Precision Sensor Measurement
The 18-bit resolution and internal PGA allow the MCP3422A1-E/MC to accurately digitize small signals from strain gauges and load cells.
Temperature Sensing
With its high resolution and I2C interface, it is ideal for thermocouple and RTD signal conditioning in industrial temperature controllers.
Battery Monitoring
The low sampling rate is sufficient for battery voltage and current monitoring, while the internal reference simplifies design.
Portable Medical Devices
Low power consumption and small 8-VFDFN package make it suitable for battery-powered medical instruments like glucose meters.
Environmental Monitoring
It can digitize outputs from gas sensors and humidity sensors with high precision, enabling accurate data logging.
Weighing Scales
The 18-bit resolution and PGA provide the sensitivity needed for high-accuracy electronic weighing scales.
- Q: What type of ADC is the MCP3422A1-E/MC?
- A: It is a high-resolution delta-sigma ADC with a MUX-PGA-ADC architecture.
- Q: What is the resolution?
- A: It provides 18-bit resolution for precise measurements.
- Q: What is the sampling rate?
- A: The sampling rate is 3.75 SPS (samples per second) at maximum resolution.
- 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 for communication.
- 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.
MCP3422A1-E/MC.pdf
- Q: What type of ADC is the MCP3422A1-E/MC?
- A: It is a high-resolution delta-sigma ADC with a MUX-PGA-ADC architecture.
- Q: What is the resolution?
- A: It provides 18-bit resolution for precise measurements.
- Q: What is the sampling rate?
- A: The sampling rate is 3.75 SPS (samples per second) at maximum resolution.
- 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 for communication.
- 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.
