Microchip Technology MCP3422A4-E/SN
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.53 | $3.53 |
| 15+ | $3.42 | $51.30 |
| 25+ | $3.35 | $83.75 |
| 50+ | $3.16 | $158.00 |
| 100+ | $2.79 | $279.00 |
| N+ | $0.56 | 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-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| ROHS |
The Microchip MCP3422A4-E/SN is a high-precision 18-bit ADC with two differential input channels, an internal MUX, and PGA. It features a low sampling rate of 3.75 SPS, ideal for applications requiring maximum accuracy over speed. The I2C interface ensures simple connectivity, while the 8-SOIC package and wide temperature range make it a robust choice for industrial and scientific instrumentation.
- Ultra-High Resolution: 18-bit resolution provides exceptional detail for the most demanding measurement tasks.
- Dual-Channel Input: The integrated MUX allows monitoring of two signals, reducing component count and board space.
- Integrated PGA: Amplifies small signals internally, improving dynamic range and simplifying sensor interfacing.
- I2C Compatibility: Standard digital interface ensures easy integration with most microcontrollers.
- Industrial Temperature Range: Reliable operation from -40°C to +125°C for harsh environments.
Multi-Sensor Data Acquisition Systems
The 2-channel MUX allows the MCP3422A4-E/SN to monitor two separate sensors, such as temperature and pressure, with 18-bit precision, simplifying multi-point data logging systems.
High-Resolution Industrial Weighing
In weigh scale applications, the high resolution and low noise performance ensure accurate weight measurements, even with small load cell signals.
Battery Management Systems
This ADC can precisely monitor voltage and current in battery stacks, helping to maintain cell balance and extend battery life in automotive and energy storage systems.
Laboratory Instrumentation
For benchtop multimeters or precision measurement equipment, the 18-bit resolution provides the fine granularity needed for accurate scientific analysis.
Environmental Monitoring Stations
Used in weather stations to digitize signals from multiple environmental sensors (humidity, temperature), enabling reliable long-term data collection.
- Q: What is the MCP3422A4-E/SN?
- A: It is an 18-bit, 2-channel delta-sigma Analog-to-Digital Converter with an integrated MUX and PGA.
- Q: What is the resolution and sampling rate?
- A: It provides 18-bit resolution with a maximum sampling rate of 3.75 SPS for high-precision, low-speed measurements.
- Q: How many channels does it support?
- A: It has 2 differential input channels, configurable via the internal multiplexer (MUX).
- Q: What interface does it use?
- A: It uses the I2C interface for communication, supporting standard and fast modes.
- Q: What is the package type?
- A: It is available in an 8-SOIC (0.154", 3.90mm Width) package, suitable for standard PCB layouts.
- Q: What is the operating temperature range?
- A: It operates from -40°C to +125°C, suitable for industrial environments.
- Q: What is the MCP3422A4-E/SN?
- A: It is an 18-bit, 2-channel delta-sigma Analog-to-Digital Converter with an integrated MUX and PGA.
- Q: What is the resolution and sampling rate?
- A: It provides 18-bit resolution with a maximum sampling rate of 3.75 SPS for high-precision, low-speed measurements.
- Q: How many channels does it support?
- A: It has 2 differential input channels, configurable via the internal multiplexer (MUX).
- Q: What interface does it use?
- A: It uses the I2C interface for communication, supporting standard and fast modes.
- Q: What is the package type?
- A: It is available in an 8-SOIC (0.154", 3.90mm Width) package, suitable for standard PCB layouts.
- Q: What is the operating temperature range?
- A: It operates from -40°C to +125°C, suitable for industrial environments.

MCP3422A4-E/SN.pdf