The MCP3465R is a low-noise 16-bit Delta-Sigma Analog-to-Digital Converter (ADC), with two single-ended or one differential input channels and programmable data rate of up to 153.6 kSPS. It offers integrated features such as internal Vref, oscillator, temperature sensor and burnout sensor detection, in order to reduce system component count and total solution cost.

The MCP3465R ADC is fully configurable with Oversampling Ratio (OSR) from 32 to 98304 and gain from 0.33X to 64X. It includes an internal sequencer(SCAN mode) with multiple monitor channels and a 24-bit timer to be able to automatically create conversion loop sequences without needing MCU communications. Advanced security features such as CRC and register map lock, can guarantee configuration locking and integrity as well as communication data integrity for secure environments.

The device also features a 20 MHz SPI-compatible serial interface. Communication is largely simplified with 8-bit commands, including various continuous Read/Write modes and 24/32-bit multiple data formats that can be accessed by the Direct Memory Access (DMA) of an 8-bit, 16-bit or 32-bit MCU. The MCP3465R is available in an ultra-small, 2 mm x 2 mm UQFN-12 and is specified over an extended temperature range from -40°C to +125°C.

The MCP3461R is a similar device with just one differential (two single ended) input channel(s), but equivalent performance and additional functionality in a larger 3x3 mm or 6.4x6.4 mm package.

Finally, the MCP3565R is a 24 bit version of this device. It is pin and software compatible, making for easy transition if it would be valuable to make such a transition down the road.

The Linux4SAM website contains links to GitHub repositories containing the source code and documentation for all the software components included in our Linux offering for the devices in this family.

We welcome questions, comments and recommendations for improvements to this page - please contact us at: ADCwebrequests@microchip.com if you have any. Please include the part number of the page in your email.