Microchip Technology MCP3422A0T-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 |
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| 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 MCP3422A0T-E/SN is a dual-channel, 18-bit Analog-to-Digital Converter with an integrated multiplexer, PGA, and internal reference. Operating at 3.75 SPS, it delivers high-accuracy conversions for low-bandwidth signals. The I2C interface ensures straightforward connectivity with microcontrollers. Housed in a compact 8-SOIC package, it is designed for precision sensing in portable, industrial, and automotive applications where space and power are limited.
- Exceptional Accuracy: 18-bit resolution provides fine granularity, reducing measurement errors in critical applications.
- Integrated PGA: Programmable gain up to 8x amplifies weak sensor signals internally, eliminating external op-amps.
- Easy Integration: I2C interface with selectable addresses allows multiple ADCs on the same bus.
- Robust Operation: Operates from -40°C to 125°C, suitable for demanding environments.
- Compact Footprint: 8-SOIC package saves PCB area, ideal for miniaturized designs.
High-Resolution Data Logging
The 18-bit resolution and 3.75 SPS rate are perfect for environmental data loggers that need to capture slow-changing signals like temperature or humidity with high accuracy.
Battery-Powered IoT Sensors
Low current consumption and I2C interface make this ADC ideal for wireless sensor nodes that require long battery life and periodic precise measurements.
Precision Weighing Systems
With internal PGA and high resolution, it can directly interface with load cells, enabling accurate weight measurement in industrial scales.
Medical Patient Monitoring
The wide temperature range and stable internal reference support reliable operation in wearable health monitors for vital sign tracking.
Automotive Battery Management
Two-channel differential input allows monitoring of battery voltage and current simultaneously, crucial for efficient BMS in electric vehicles.
Laboratory Instruments
Benchtop multimeters and data acquisition units benefit from the 18-bit precision and simple I2C control for multi-sensor setups.
- Q: What is the MCP3422A0T-E/SN?
- A: It is an 18-bit, low-power Analog-to-Digital Converter (ADC) with a built-in multiplexer and programmable gain amplifier (PGA).
- Q: What is the resolution?
- A: The ADC offers 18-bit resolution, providing high precision for low-frequency signal measurement.
- Q: What is the sampling rate?
- A: The sampling rate is 3.75 SPS, optimized for accurate, slow-sampling applications.
- Q: How many channels are available?
- A: It has 2 differential input channels, selectable via the internal MUX.
- Q: What interface does it support?
- A: It uses the I2C interface for communication, compatible with standard and fast modes.
- Q: What is the package type?
- A: It is available in an 8-SOIC (0.154", 3.90mm Width) package.
- Q: What is the MCP3422A0T-E/SN?
- A: It is an 18-bit, low-power Analog-to-Digital Converter (ADC) with a built-in multiplexer and programmable gain amplifier (PGA).
- Q: What is the resolution?
- A: The ADC offers 18-bit resolution, providing high precision for low-frequency signal measurement.
- Q: What is the sampling rate?
- A: The sampling rate is 3.75 SPS, optimized for accurate, slow-sampling applications.
- Q: How many channels are available?
- A: It has 2 differential input channels, selectable via the internal MUX.
- Q: What interface does it support?
- A: It uses the I2C interface for communication, compatible with standard and fast modes.
- Q: What is the package type?
- A: It is available in an 8-SOIC (0.154", 3.90mm Width) package.

MCP3422A0T-E/SN.pdf