Microchip Technology MCP3421A0T-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 |
Request Quote / Inquiry
| 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 MCP3421A0T-E/CH is a single-channel, 18-bit delta-sigma Analog-to-Digital Converter from Microchip Technology. It integrates a programmable gain amplifier (PGA) and an internal voltage reference, simplifying design and reducing external component count. With a sampling rate of 3.75 SPS and an I2C interface, it is engineered for precision measurement applications such as portable instrumentation, industrial sensing, and medical devices. Its compact SOT-23-6 package and wide operating temperature range make it a versatile choice for space-constrained and demanding environments.
- High Precision: 18-bit resolution ensures extremely accurate signal conversion for demanding measurement applications.
- Integrated PGA: The built-in programmable gain amplifier allows for direct connection to low-level sensors without external amplification, saving board space and cost.
- Simple Integration: The standard I2C interface enables easy communication with microcontrollers, requiring only two pins for data transfer.
- Wide Temperature Range: Rated for -40°C to +125°C, it is reliable in both industrial and automotive environments.
Precision Sensor Signal Digitization
The 18-bit resolution and internal PGA make the MCP3421A0T-E/CH ideal for digitizing low-level signals from bridge sensors, thermocouples, and strain gauges, minimizing the need for external amplification.
Portable Battery-Powered Instruments
With its low power consumption and SOT-23-6 package, this ADC is perfect for handheld data loggers and battery-operated monitoring devices where space and power are critical.
Industrial Process Control
The wide temperature range (-40°C to 125°C) and I2C interface allow for easy integration into industrial transmitters and 4-20 mA loop systems for accurate remote sensing.
Medical Instrumentation
High resolution is crucial for medical devices like digital thermometers and blood pressure monitors, where precise, noise-free data acquisition is required for reliable diagnostics.
Environmental Monitoring Systems
This ADC can accurately convert signals from weather stations, soil moisture sensors, and gas detectors, enabling long-term, stable data collection in remote locations.
- Q: What type of ADC is the MCP3421A0T-E/CH?
- A: It is a high-resolution, delta-sigma Analog-to-Digital Converter with an integrated programmable gain amplifier (PGA-ADC).
- Q: What is the resolution of this ADC?
- A: The MCP3421A0T-E/CH offers 18-bit resolution, providing fine measurement detail.
- Q: What is the sampling rate?
- A: The maximum sampling rate is 3.75 SPS, optimized for precision over speed.
- Q: How many input channels does it have?
- A: It features a single differential input channel.
- Q: What digital interface does it use?
- A: It communicates via the I2C interface, requiring only two wires for control and 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.
MCP3421A0T-E/CH.pdf
- Q: What type of ADC is the MCP3421A0T-E/CH?
- A: It is a high-resolution, delta-sigma Analog-to-Digital Converter with an integrated programmable gain amplifier (PGA-ADC).
- Q: What is the resolution of this ADC?
- A: The MCP3421A0T-E/CH offers 18-bit resolution, providing fine measurement detail.
- Q: What is the sampling rate?
- A: The maximum sampling rate is 3.75 SPS, optimized for precision over speed.
- Q: How many input channels does it have?
- A: It features a single differential input channel.
- Q: What digital interface does it use?
- A: It communicates via the I2C interface, requiring only two wires for control and 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.
