EYE on NPI - Microchip MCP3421 18-bit, 240 SPS, single-channel ADC
This week's EYE ON NPI is a compact and capable analog-to-digital converter, it's the Microchip MCP3421 18-bit, 240 SPS, single-channel ADC (https://www.digikey.com/en/product-highlight/m/microchip-technology/mcp3421-analog-to-digital-converter). This SOT-23-6 part is simple, inexpensive, and easy to use with an I2C interface that can run up to a 3.4MHz clock rate. Being able to power it from 2.7V to 5V makes it an easy-to-integrate component whenever you need an ADC that has differential inputs, adjustable gain, and a built in precision/low-drift reference voltage. One of the trade-offs with…
The skinny
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