Microchip Technology MCP3422A2-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 | 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 MCP3422A2-E/SN from Microchip Technology is a high-resolution 18-bit analog-to-digital converter (ADC) with two differential input channels. It features a MUX-PGA-ADC architecture with an internal reference and programmable gain amplifier, allowing for direct connection to a variety of sensors. The device communicates via I2C and operates at a sampling rate of 3.75 SPS, prioritizing accuracy over speed. Housed in an 8-SOIC package, it operates over a wide temperature range of -40°C to 125°C, making it suitable for industrial and automotive precision sensing applications.
- Ultra-High Resolution: 18-bit resolution provides exceptional detail for measuring very small analog signals.
- Integrated PGA: The programmable gain amplifier amplifies weak signals internally, reducing the need for external amplification.
- Differential Inputs: Two differential channels improve noise immunity and allow for precise measurement of floating signals.
- Wide Temperature Range: -40°C to 125°C operation ensures functionality in extreme conditions.
High-Precision Sensor Measurement
The 18-bit resolution and internal PGA of the MCP3422A2-E/SN make it ideal for measuring tiny signals from bridge sensors, strain gauges, and thermocouples with high accuracy.
Weigh Scale and Load Cell Systems
In industrial weighing, this ADC's high resolution and low sampling rate (3.75 SPS) provide stable and precise weight readings, essential for commercial and laboratory scales.
Battery Monitoring Systems
For battery management, the MCP3422 can accurately measure voltage and current (via shunt) to determine state of charge, thanks to its differential inputs and internal reference.
Environmental Monitoring
In weather stations or soil sensors, the high resolution allows for detecting minute changes in temperature, humidity, or pressure, enabling precise environmental tracking.
Portable Instrumentation
With its low power consumption and I2C interface, it is well-suited for handheld multimeters and data loggers that require long battery life and high accuracy.
- Q: What is the resolution of the MCP3422A2-E/SN?
- A: It is an 18-bit analog-to-digital converter, offering very high precision for low-level signal measurements.
- Q: What is the sampling rate?
- A: The sampling rate is 3.75 SPS, optimized for ultra-high resolution and noise rejection in slow signals.
- Q: How many channels does it have?
- A: It has 2 differential input channels, allowing for accurate measurement of two separate signals.
- Q: What interface does it use?
- A: It uses the I2C interface, which is a standard two-wire protocol for communication with microcontrollers.
- Q: What is the architecture?
- A: It features a MUX-PGA-ADC architecture, which includes a multiplexer and programmable gain amplifier (PGA) for signal conditioning.
- Q: What is the package type?
- A: It is available in an 8-SOIC (0.154", 3.90mm Width) package, a common and easy-to-use form factor.
MCP3422A2-E/SN.pdf
- Q: What is the resolution of the MCP3422A2-E/SN?
- A: It is an 18-bit analog-to-digital converter, offering very high precision for low-level signal measurements.
- Q: What is the sampling rate?
- A: The sampling rate is 3.75 SPS, optimized for ultra-high resolution and noise rejection in slow signals.
- Q: How many channels does it have?
- A: It has 2 differential input channels, allowing for accurate measurement of two separate signals.
- Q: What interface does it use?
- A: It uses the I2C interface, which is a standard two-wire protocol for communication with microcontrollers.
- Q: What is the architecture?
- A: It features a MUX-PGA-ADC architecture, which includes a multiplexer and programmable gain amplifier (PGA) for signal conditioning.
- Q: What is the package type?
- A: It is available in an 8-SOIC (0.154", 3.90mm Width) package, a common and easy-to-use form factor.
