NRF51822-CDAB-R7

RF Transceiver ICS Overview

The nRF51822-CDAB-R7 is a Bluetooth Low Energy and 2.4 GHz System on Chip (SoC) manufactured by Nordic Semiconductor. It integrates a 32-bit ARM Cortex-M0 processor with 128 KB of flash memory and 16 KB of RAM. The device features a flexible 2.4 GHz radio supporting BLE and proprietary protocols, delivering an output power of 4 dBm. It utilizes a WLCSP-56 package for surface mount installation.

RF Transceiver ICS Feature Summary

• Integrates a 32-bit ARM Cortex-M0 CPU with programmable peripheral interconnect for direct peripheral interaction without CPU intervention.
• Supports Bluetooth Low Energy and 2.4 GHz proprietary wireless protocols via a flexible embedded radio transceiver.
• Provides flexible GPIO mapping allowing digital interfaces such as SPI, TWI, and UART to connect to any available pin.

RF Transceiver ICS Applications

• Bluetooth Low Energy wireless applications
• 2.4 GHz proprietary wireless systems
• IoT sensor nodes
• Wearable devices

RF Transceiver ICS Procurement Notes

Verify the specific suffix against official documentation, as ordering codes may indicate variations in packaging or regional availability. Confirm current lifecycle status, as this component may be discontinued or subject to limited supply constraints. Cross-reference the manufacturer part number with authorized distributor listings to ensure authenticity and traceability before procurement.

RF Transceiver ICS Selection Notes

Select this SoC for designs requiring ultra-low power consumption combined with high integration for BLE connectivity. Consider the 128 KB flash and 16 KB RAM limits for firmware complexity. Evaluate the WLCSP-56 package requirements for PCB layout and thermal management compared to QFN alternatives within the same family.

RF Transceiver ICS Part Context

This component belongs to the nRF51 series of ultra-low power wireless SoCs from Nordic Semiconductor. It shares architectural similarities with other nRF51 variants but differs in memory configuration and package type. It serves as a foundational chip for Bluetooth Low Energy development, often paired with Nordic's SDK and protocol stacks for rapid prototyping.

RF Transceiver ICS Replacement Considerations

Consult official substitution lists for verified equivalents. Generic replacements may lack compatible firmware support or identical RF performance characteristics required for certified Bluetooth implementations.