Power supply: 3.3V or 5.0V DC MCU interface: SPI Main ADC chip: AD7705 External reference voltage: LM2852.5 Key benefits Flexible power options: compatible with 3.3V and 5.0V systems, making it easy to integrate with common microcontroller boards and development environments. Simple MCU integration: SPI interface enables straightforward connection to a wide range of MCUs with reliable data transfer and minimal pin usage. Accurate conversion core: AD7705 serves as the main analogtodigital converter, providing precise conversion performance for measurement tasks. Stable reference for accuracy: LM2852.5 external reference delivers a fixed 2.5V reference to improve measurement stability and precision. What you get and how it helps Functionality: a compact, integrated option that combines a selectable 3.3V/5.0V power supply, an SPI MCU interface, a dedicated AD7705 ADC, and an external LM2852.5 reference for reliable, repeatable readings. Compatibility: designed to work with SPIcapable microcontrollers and standard 3.3V or 5V systems, reducing integration complexity. Performance drivers: external reference LM2852.5 supports stable voltage reference performance, aiding measurement accuracy across varying conditions. Reliability: using a proven ADC chip (AD7705) and a stable external reference helps ensure consistent results in data acquisition tasks. 23 practical use scenarios Industrial data acquisition and monitoring: connect to an SPIenabled microcontroller, powered from 3.3V or 5.0V, and use the LM2852.5 reference for stable, repeatable sensor readings in harsh environments. Laboratory measurement setup: integrate with test rigs and sensors requiring precise A/D conversion, leveraging the AD7705 and external 2.5V reference for accurate experimental data. Portable measurement device: deploy in a batterypowered instrument operating at 3.3V or 5V, where the SPI interface and stable reference support reliable field measurements.