Microchip Technology MCP3421A1T-E/CH
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.95 | $2.95 |
| 15+ | $2.86 | $42.90 |
| 25+ | $2.80 | $70.00 |
| 50+ | $2.64 | $132.00 |
| 100+ | $2.33 | $233.00 |
| N+ | $0.47 | 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 | 18 |
| Sampling Rate (Per Second) | 3.75 |
| Number of Inputs | 1 |
| Input Type | Differential |
| Data Interface | I2C |
| Configuration | 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 | SOT-23-6 |
| Supplier Device Package | SOT-23-6 |
| ROHS |  |
The MCP3421A1T-E/CH is an 18-bit delta-sigma ADC from Microchip Technology, featuring an integrated programmable gain amplifier (PGA). It operates at a sampling rate of 3.75 SPS, optimized for high-precision, low-speed applications. The device has a single differential input and communicates via the I2C interface. It includes an internal voltage reference, reducing external components. Packaged in a small SOT-23-6, it is ideal for portable and space-constrained designs in medical, industrial, and IoT applications.
- Exceptional Precision: 18-bit resolution ensures accurate conversion of small analog signals.
- Built-in PGA: Amplifies weak sensor outputs without external op-amps.
- Internal Reference: Simplifies circuit design and improves stability.
- Low Power Consumption: Extends battery life in portable devices.
- Wide Operating Temperature: -40°C to 125°C range for industrial use.
Precision Temperature Sensing
The high 18-bit resolution and internal PGA allow the MCP3421A1T-E/CH to accurately digitize signals from thermocouples and RTDs, making it ideal for precision temperature measurement systems.
Data Acquisition for IoT
With its I2C interface and low power consumption, this ADC is well-suited for IoT nodes that need to acquire sensor data at low speeds with high accuracy.
Medical Wearables
The compact SOT-23-6 package and low power draw make it perfect for wearable medical devices like continuous glucose monitors and heart rate monitors.
Industrial Sensor Interfaces
In industrial environments, the MCP3421A1T-E/CH can interface with pressure sensors and load cells, providing precise digital readings for process control.
Battery Monitoring
The internal reference and PGA enable accurate measurement of battery voltage and current, making it useful for battery management systems in portable electronics.
Environmental Monitoring
This ADC can be used in weather stations and air quality monitors to digitize signals from humidity, temperature, and gas sensors with high precision.
- Q: What is the MCP3421A1T-E/CH?
- A: It is an 18-bit delta-sigma ADC with a programmable gain amplifier (PGA).
- Q: What is the resolution?
- A: The resolution is 18 bits.
- Q: What is the sampling rate?
- A: The sampling rate is 3.75 SPS.
- Q: How many channels does it have?
- A: It has 1 differential input channel.
- Q: What interface does it use?
- A: It uses the I2C interface.
- Q: What is the package?
- A: It comes in a SOT-23-6 package.
MCP3421A1T-E/CH.pdf
- Q: What is the MCP3421A1T-E/CH?
- A: It is an 18-bit delta-sigma ADC with a programmable gain amplifier (PGA).
- Q: What is the resolution?
- A: The resolution is 18 bits.
- Q: What is the sampling rate?
- A: The sampling rate is 3.75 SPS.
- Q: How many channels does it have?
- A: It has 1 differential input channel.
- Q: What interface does it use?
- A: It uses the I2C interface.
- Q: What is the package?
- A: It comes in a SOT-23-6 package.
