Microchip Technology MCP3422A3T-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 MCP3422A3T-E/SN is a dual-channel 18-bit ADC with integrated MUX, PGA, and internal reference. Operating at 3.75 SPS, it provides high-accuracy conversion for low-frequency signals. The I2C interface simplifies connection to digital systems. Its compact 8-SOIC package and wide temperature range make it suitable for industrial, automotive, and portable applications requiring precise analog measurement.
- Ultra-High Precision: 18-bit resolution captures minute signal variations, critical for scientific instruments.
- On-Chip PGA: Gain settings from 1x to 8x allow adaptation to various sensor output levels.
- Dual Inputs: Two differential channels provide design flexibility for multi-sensor systems.
- Low Power: Ideal for battery-operated devices, consuming minimal current during operation.
- Industrial Temperature Range: Guaranteed operation from -40°C to 125°C.
Precision Temperature Monitoring
With 18-bit resolution, this ADC can accurately digitize thermocouple outputs, enabling precise temperature control in industrial ovens.
Multi-Sensor Data Acquisition
The 2-channel MUX allows simultaneous sampling of two sensors, reducing component count in data acquisition systems.
Automotive Sensor Interfaces
Wide temperature range and high accuracy make it suitable for engine control unit (ECU) sensor monitoring.
Medical Diagnostic Devices
In blood analyzers, the high resolution ensures accurate detection of small voltage changes from biosensors.
Remote Monitoring Stations
Low power consumption and I2C interface enable battery-powered remote weather stations to log data for extended periods.
Calibration Equipment
Reference instruments use this ADC for its stable internal reference and high bit depth.
- Q: What is the MCP3422A3T-E/SN?
- A: It is an 18-bit, low-power Analog-to-Digital Converter (ADC) with a built-in multiplexer and PGA.
- Q: What is the resolution?
- A: The resolution is 18 bits, offering high precision for analog signal digitization.
- Q: What is the sampling rate?
- A: It samples at 3.75 SPS, ideal for slow, accurate measurements.
- Q: How many channels are there?
- A: It has 2 differential input channels.
- Q: What interface does it use?
- A: It uses the I2C interface for communication.
- Q: What package is it available in?
- A: It is available in an 8-SOIC (0.154", 3.90mm Width) package.
MCP3422A3T-E/SN.pdf
- Q: What is the MCP3422A3T-E/SN?
- A: It is an 18-bit, low-power Analog-to-Digital Converter (ADC) with a built-in multiplexer and PGA.
- Q: What is the resolution?
- A: The resolution is 18 bits, offering high precision for analog signal digitization.
- Q: What is the sampling rate?
- A: It samples at 3.75 SPS, ideal for slow, accurate measurements.
- Q: How many channels are there?
- A: It has 2 differential input channels.
- Q: What interface does it use?
- A: It uses the I2C interface for communication.
- Q: What package is it available in?
- A: It is available in an 8-SOIC (0.154", 3.90mm Width) package.
