Microchip Technology MCP3422A3T-E/MS
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $11.44 | $11.44 |
| 15+ | $2.63 | $39.45 |
| 25+ | $2.57 | $64.25 |
| 50+ | $2.43 | $121.50 |
| 100+ | $2.15 | $215.00 |
| 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-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package | 8-MSOP |
| ROHS |  |
The MCP3422A3T-E/MS is a high-precision 18-bit Analog-to-Digital Converter (ADC) from Microchip Technology, designed for applications requiring accurate signal conversion. It features 2 differential input channels, a programmable gain amplifier (PGA), and an internal voltage reference, all housed in a compact 8-pin MSOP package. With a sampling rate of 3.75 SPS and an I2C interface, this ADC is ideal for low-speed, high-resolution measurement systems. Its wide operating temperature range and low power consumption make it suitable for industrial, automotive, and portable sensing applications.
- High Precision: 18-bit resolution ensures extremely accurate digital representation of analog signals, critical for measurement and control systems.
- Integrated PGA: The built-in programmable gain amplifier amplifies small signals, reducing the need for external components and simplifying design.
- Simple I2C Interface: Easy integration with standard microcontrollers, reducing development time and PCB complexity.
- Wide Temperature Range: Operates reliably from -40°C to 125°C, making it suitable for demanding industrial and automotive environments.
- Compact Package: The small 8-MSOP footprint saves board space, enabling miniaturized product designs.
Precision Sensor Signal Digitization
The 18-bit resolution and internal PGA make the MCP3422A3T-E/MS ideal for digitizing outputs from bridge sensors, thermocouples, and strain gauges, where small voltage changes need to be accurately captured.
Industrial Data Acquisition Systems
With 2 differential channels and an I2C interface, this ADC can be easily integrated into multi-sensor data loggers for industrial monitoring, providing reliable digital data for process control.
Medical Instrumentation
In portable medical devices like glucose meters or pulse oximeters, the low power consumption and high precision of this 18-bit ADC ensure accurate readings while extending battery life.
Automotive Sensor Interfaces
The wide temperature range (-40°C to 125°C) and internal reference make it suitable for automotive applications such as battery management systems and motor control, where environmental robustness is critical.
Portable Battery-Powered Devices
The low current consumption and small MSOP package allow for compact, energy-efficient designs in handheld instruments and remote sensors, maximizing operational uptime.
Weigh Scale and Force Measurement
The high resolution and programmable gain amplifier enable precise weight measurement in industrial and commercial scales, converting analog load cell signals into accurate digital values.
- Q: What type of ADC is the MCP3422A3T-E/MS?
- A: It is a high-resolution, low-power, 18-bit Analog-to-Digital Converter (ADC) with a multiplexer and programmable gain amplifier (MUX-PGA-ADC architecture).
- Q: What is the resolution of this ADC?
- A: The MCP3422A3T-E/MS provides 18-bit resolution, enabling precise measurement of small analog signals.
- Q: What is the sampling rate?
- A: The sampling rate is 3.75 SPS (samples per second), optimized for high-accuracy, low-speed applications.
- Q: How many input channels does it have?
- A: It features 2 differential input channels, selectable via the built-in multiplexer.
- Q: What digital interface does it use?
- A: It uses a standard I2C interface for easy communication with microcontrollers and digital systems.
- Q: What is the operating temperature range?
- A: It operates over an industrial temperature range of -40°C to 125°C, suitable for harsh environments.
MCP3422A3T-E/MS.pdf
- Q: What type of ADC is the MCP3422A3T-E/MS?
- A: It is a high-resolution, low-power, 18-bit Analog-to-Digital Converter (ADC) with a multiplexer and programmable gain amplifier (MUX-PGA-ADC architecture).
- Q: What is the resolution of this ADC?
- A: The MCP3422A3T-E/MS provides 18-bit resolution, enabling precise measurement of small analog signals.
- Q: What is the sampling rate?
- A: The sampling rate is 3.75 SPS (samples per second), optimized for high-accuracy, low-speed applications.
- Q: How many input channels does it have?
- A: It features 2 differential input channels, selectable via the built-in multiplexer.
- Q: What digital interface does it use?
- A: It uses a standard I2C interface for easy communication with microcontrollers and digital systems.
- Q: What is the operating temperature range?
- A: It operates over an industrial temperature range of -40°C to 125°C, suitable for harsh environments.
