Microchip Technology MCP3422A2T-E/SN
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $11.36 | $11.36 |
| 15+ | $2.61 | $39.15 |
| 25+ | $2.56 | $64.00 |
| 50+ | $2.41 | $120.50 |
| 100+ | $2.13 | $213.00 |
| N+ | $0.43 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | |
| Packaging | Tape & Reel (TR) | |
| 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-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| ROHS |  |
The MCP3422A2T-E/SN is a high-precision 18-bit ADC featuring two differential inputs, an internal programmable gain amplifier, and an I2C interface. With a sampling rate of 3.75 SPS, it is optimized for accurate, low-frequency measurements. The device operates over a wide temperature range and is available in an 8-SOIC package, making it a versatile choice for industrial, medical, and portable sensing applications.
- High-Resolution Conversion: 18-bit output ensures detailed signal representation for demanding applications.
- Built-in PGA: Amplifies small signals (up to 8x) without external components, simplifying design.
- Two-Channel Flexibility: Multiplexed inputs allow monitoring of two different sensors with one device.
- Standard I2C Protocol: Compatible with most microcontrollers, reducing firmware development time.
- Extended Temperature Range: Reliable from -40°C to 125°C for harsh environments.
Industrial Sensor Conditioning
The 18-bit resolution and internal PGA allow direct connection to RTDs and thermocouples, providing accurate temperature readings in industrial controllers.
Smart Agriculture Monitors
Soil moisture and pH sensors produce low-level signals; this ADC's high resolution and low power are ideal for remote field monitoring.
Energy Harvesting Systems
For solar-powered devices, the low current draw and 3.75 SPS sampling help maximize energy efficiency while maintaining measurement accuracy.
Portable Health Devices
In pulse oximeters or ECG monitors, the 2-channel input and precision conversion support simultaneous signal acquisition.
Process Automation
4-20 mA loop transmitters benefit from the ADC's accuracy and wide temperature range for reliable industrial control.
Test and Measurement Equipment
Benchtop instruments use this ADC for precise voltage and current measurements in R&D labs.
- Q: What is the MCP3422A2T-E/SN?
- A: It is an 18-bit, dual-channel Analog-to-Digital Converter (ADC) with an internal MUX and PGA.
- Q: What is the resolution?
- A: It provides 18-bit resolution, enabling high-precision measurement of analog signals.
- Q: What is the sampling rate?
- A: The sampling rate is 3.75 SPS, suitable for low-speed, high-accuracy applications.
- Q: How many channels does it have?
- A: It features 2 differential input channels.
- Q: What interface is used?
- A: It communicates via the I2C interface.
- Q: What is the package?
- A: It comes in an 8-SOIC (0.154", 3.90mm Width) package.
MCP3422A2T-E/SN.pdf
- Q: What is the MCP3422A2T-E/SN?
- A: It is an 18-bit, dual-channel Analog-to-Digital Converter (ADC) with an internal MUX and PGA.
- Q: What is the resolution?
- A: It provides 18-bit resolution, enabling high-precision measurement of analog signals.
- Q: What is the sampling rate?
- A: The sampling rate is 3.75 SPS, suitable for low-speed, high-accuracy applications.
- Q: How many channels does it have?
- A: It features 2 differential input channels.
- Q: What interface is used?
- A: It communicates via the I2C interface.
- Q: What is the package?
- A: It comes in an 8-SOIC (0.154", 3.90mm Width) package.
