Microchip Technology MCP3021A4T-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 MCP3021A4T-E/OT is a compact, low-power 10-bit analog-to-digital converter from Microchip Technology. It provides a simple, cost-effective solution for adding analog-to-digital conversion to systems with an I2C interface. With a single input channel and a 22.3 kSPS sampling rate, it is ideal for monitoring DC signals such as voltage, current, and temperature. The device comes in a small SOT-23 package and operates over a wide temperature range, making it suitable for diverse applications.
- Cost-Effective Solution: Provides a low-cost way to add ADC functionality to a design without compromising on performance for typical monitoring tasks.
- Easy Integration: The I2C interface is universally supported, making firmware development straightforward and reducing time-to-market.
- Low Power Operation: Its low current draw is ideal for battery-powered and energy-harvesting applications.
- Proven Reliability: Microchip's MCP3021 series is a well-established, reliable ADC family used in a wide range of industrial and consumer products.
Power Supply Monitoring
The 10-bit resolution is adequate for monitoring output voltages of power supplies in embedded systems, allowing for supervision and fault detection via the I2C bus.
Environmental Sensing
In weather stations or agricultural sensors, this ADC can digitize outputs from temperature, humidity, or light sensors, providing data to a central controller for logging and analysis.
Medical Device Sensors
For portable medical devices like glucose monitors or pulse oximeters, the low power and small size are critical, and the I2C interface allows for easy integration with the main processor.
Smart Home Automation
In smart thermostats or lighting controls, the ADC can be used to read potentiometers or analog sensors for user input or ambient condition sensing, enabling intelligent automation.
Battery Charger Control
In battery charging circuits, it can monitor battery voltage and current to implement accurate charging algorithms, ensuring safety and maximizing battery lifespan.
Audio Level Detection
While not for high-fidelity audio, the 22.3 kSPS rate is sufficient for simple audio level detection or VU meter applications, where the I2C output can be read by a microcontroller.
- Q: What is the resolution of the MCP3021A4T-E/OT?
- A: It is a 10-bit analog-to-digital converter.
- Q: What is the sampling rate?
- A: The sampling rate is 22.3 kSPS (22.3k samples per second).
- Q: How many channels does it have?
- A: It has a single (1) input channel.
- Q: What interface does it use?
- A: It uses the I2C interface for communication.
- Q: What is the architecture?
- A: It uses a Sample-and-Hold (S/H) ADC architecture.
- Q: What is the package type?
- A: It comes in a SC-74A, SOT-753 package and operates from -40°C to 125°C.
MCP3021A4T-E/OT.pdf
- Q: What is the resolution of the MCP3021A4T-E/OT?
- A: It is a 10-bit analog-to-digital converter.
- Q: What is the sampling rate?
- A: The sampling rate is 22.3 kSPS (22.3k samples per second).
- Q: How many channels does it have?
- A: It has a single (1) input channel.
- Q: What interface does it use?
- A: It uses the I2C interface for communication.
- Q: What is the architecture?
- A: It uses a Sample-and-Hold (S/H) ADC architecture.
- Q: What is the package type?
- A: It comes in a SC-74A, SOT-753 package and operates from -40°C to 125°C.
