Microchip Technology MCP3021A7T-E/OT
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.34 | $1.34 |
| 15+ | $1.30 | $19.50 |
| 25+ | $1.27 | $31.75 |
| 50+ | $1.20 | $60.00 |
| 100+ | $1.06 | $106.00 |
| N+ | $0.21 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Number of Bits | 10 |
| Sampling Rate (Per Second) | 22.3k |
| Number of Inputs | 1 |
| Input Type | Single Ended |
| Data Interface | I2C |
| Configuration | S/H-ADC |
| Ratio - S/H:ADC | 1:1 |
| Number of A/D Converters | 1 |
| Architecture | SAR |
| Reference Type | Supply |
| Voltage - Supply, Analog | 2.7V ~ 5.5V |
| Voltage - Supply, Digital | 2.7V ~ 5.5V |
| Features | - |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Grade | - |
| Qualification | - |
| Package / Case | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5 |
| ROHS |
The MCP3021A7T-E/OT from Microchip Technology is a 10-bit successive approximation ADC with a single input channel and a maximum sampling rate of 22.3k SPS. It utilizes an I2C interface for communication and operates from a supply reference, simplifying the design. Housed in a compact SC-74A package, it is well-suited for space-constrained applications such as portable sensors, industrial monitoring, and automotive systems.
- High-Temperature Operation: Rated for -40°C to 125°C, ensuring reliable performance in automotive and industrial environments.
- Compact Footprint: The SC-74A (SOT-753) package minimizes PCB area, ideal for miniaturized designs.
- Simple I2C Interface: Reduces pin count and simplifies microcontroller integration, saving GPIO resources.
- Supply-Referenced Design: Eliminates the need for an external voltage reference, reducing BOM cost and complexity.
Portable Sensor Digitization
The 10-bit resolution and 22.3k SPS sampling rate are ideal for digitizing slow-varying signals from temperature, pressure, or humidity sensors in portable devices, ensuring low power consumption.
Industrial Process Monitoring
With an I2C interface and wide temperature range (-40°C to 125°C), this ADC can be deployed in industrial automation for monitoring analog signals like current loops or voltage levels in control systems.
Battery-Powered Data Loggers
The supply-referenced architecture and single-channel design make it suitable for battery-operated data loggers, where minimal external components and low current draw are critical.
Automotive Sensor Interfaces
Its extended temperature range and small SOT-23 package allow integration into automotive sensor modules for measuring parameters like throttle position or fluid levels.
Space-Constrained IoT Nodes
The compact SC-74A (SOT-753) package fits into IoT edge nodes, converting analog environmental data to digital for transmission over I2C to a central microcontroller.
Simple Calibration Circuits
In test equipment, the 10-bit accuracy and I2C interface enable straightforward calibration loops, reading trim potentiometer positions or reference voltages digitally.
- Q: What type of ADC is the MCP3021A7T-E/OT?
- A: It is a successive approximation (S/H-ADC) analog-to-digital converter with a sample-and-hold architecture.
- Q: What is the resolution of this ADC?
- A: The MCP3021A7T-E/OT provides 10-bit resolution, offering 1024 discrete output levels.
- Q: What is the maximum sampling rate?
- A: It supports a sampling rate of 22.3k SPS (samples per second).
- Q: How many input channels does it have?
- A: It features a single (1) analog input channel.
- Q: What digital interface does it use?
- A: It communicates via the I2C interface, requiring only two wires for data transfer.
- Q: What is the operating temperature range?
- A: It is specified for operation from -40°C to 125°C, suitable for harsh environments.
- Q: What type of ADC is the MCP3021A7T-E/OT?
- A: It is a successive approximation (S/H-ADC) analog-to-digital converter with a sample-and-hold architecture.
- Q: What is the resolution of this ADC?
- A: The MCP3021A7T-E/OT provides 10-bit resolution, offering 1024 discrete output levels.
- Q: What is the maximum sampling rate?
- A: It supports a sampling rate of 22.3k SPS (samples per second).
- Q: How many input channels does it have?
- A: It features a single (1) analog input channel.
- Q: What digital interface does it use?
- A: It communicates via the I2C interface, requiring only two wires for data transfer.
- Q: What is the operating temperature range?
- A: It is specified for operation from -40°C to 125°C, suitable for harsh environments.

MCP3021A7T-E/OT.pdf