Microchip Technology MCP3421A2T-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 MCP3421A2T-E/CH is an 18-bit delta-sigma ADC from Microchip Technology, featuring a built-in programmable gain amplifier (PGA). It operates at a sampling rate of 3.75 SPS, focusing on high precision rather than speed. The device has a single differential input channel and uses the I2C interface for communication. It includes an internal voltage reference, simplifying design. Housed in a compact SOT-23-6 package, it is well-suited for portable, low-power applications in medical, industrial, and agricultural sectors.
- High Resolution: 18-bit conversion for precise measurement of small signals.
- Integrated PGA: Eliminates need for external amplification, saving space and cost.
- Internal Reference: Reduces component count and improves accuracy.
- I2C Interface: Easy integration with microcontrollers using just two wires.
- Extended Temperature Range: -40°C to 125°C for demanding environments.
High-Precision Data Logging
The MCP3421A2T-E/CH's 18-bit resolution and low sampling rate make it ideal for data loggers that record temperature, humidity, or pressure over long periods with high accuracy.
Sensor Signal Conditioning
With its internal PGA, this ADC can directly interface with bridge sensors and thermocouples, amplifying and digitizing weak signals without additional circuitry.
Medical Diagnostics
In medical devices such as digital stethoscopes and blood analyzers, the high resolution ensures accurate signal capture for reliable diagnostics.
Industrial Weighing Systems
The device's precision and stability make it suitable for industrial weighing scales and force measurement systems that require exact readings.
Automotive Sensor Monitoring
Operating from -40°C to 125°C, this ADC can monitor battery health, oil pressure, and exhaust gas sensors in automotive applications.
Smart Agriculture
For soil moisture and nutrient sensors, the MCP3421A2T-E/CH provides the precision needed to optimize irrigation and fertilization in smart farming systems.
- Q: What type of ADC is the MCP3421A2T-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 is available in a SOT-23-6 package.
MCP3421A2T-E/CH.pdf
- Q: What type of ADC is the MCP3421A2T-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 is available in a SOT-23-6 package.
