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Small Analog-to-Digital Converters (ADCs)

Using Small ADCs to Supplement MCUs with Integrated ADCs

Having an ADC on your microcontroller (MCU) is easy, convenient and inexpensive. However, there is some inherent peril: converter performance can be compromised and relying on the converter to deliver the necessary performance without a backup plan can cause costly redesigns. 

Thankfully, our portfolio of ultra-small converters is a great backup plan. These devices are small enough to include in the board layout process without a significant increase in the cost or size of the PCB. This results in a win-win situation because if the existing ADC on the processor is good enough, there is virtually no impact. If an external converter is needed, you simply need to populate the spaces that are already present.

Browse Our Entire ADC Portfolio

Featured Small ADCs

MCP3465R/MCP3565R

16- and 24-bit Delta-Sigma ADCs

  • Sold in a 2 × 2-mm µQFN package
  • Require less than half the area compared to similar products from competitors
View MCP3565 24-bit Product Page

MCP3221/MCP3201

12- and 10-bit Successive Approximation Register (SAR) ADCs

  • Sold in small SOT-23 packages 
  • Smallest SAR ADC options on the market
View MCP3201 10-bit Product Page

MCP3421/MCP3425

18- and 16-bit Delta-Sigma ADCs

  • Sold in small SOT-23 packages 
  • Options for slower signals
View MCP3425 16-bit Product Page

Recognizing that the size and pitch of MCP3465R/MCP3565R devices can sometimes make them challenging to work with in the lab, we also offer performance-equivalent MCP3461R/MCP3561R devices in more lab-friendly 4.4 × 6.5-mm TSSOP packages.

View MCP3461R Product Page
View MCP3561R Product Page