SemiconductorThe nRF52805-CAAA-R is an RF System on a Chip (SoC) manufactured by Nordic Semiconductor. The nRF52805 is a low-power, high-performance single-chip Bluetooth 5 and 2.4 GHz multi-protocol SoC with 52 MHz 32-bit Arm Cortex M4 processor providing the ultimate in flexibility and full integration to reduce the overall BOM cost for your design. It contains a multiprotocol RF modem supporting Bluetooth 5, Bluetooth 5.1, IEEE 802.15.4, Proprietary and 2.4 GHz protocols.This SoC is designed to operate at ultra-low power consumption, allowing for battery powered applications to run for years. It has on-chip flash and RAM, 12-bit ADC, 4 digital peripherals, temperature sensor, and device voltage monitor, making it suitable for a wide variety of applications. It also contains a wide variety of features, such as proximity detection, touch sensing, Bluetooth audio, data processing, and various wireless communication protocols.The nRF52805-CAAA-R is packaged in a 2.0 x 2.0 mm Wafer Level Chip Scale Package (WLCSP), making it ideal for small form-factor designs. It is designed to meet the needs of connected Internet of Things (IoT) devices.