Description
The nRF51422 is a high-performance, ultra-low-power multiprotocol System-on-Chip (SoC) from Nordic Semiconductor. It is specifically designed to provide a robust single-chip solution for Bluetooth Low Energy (BLE), ANT, and proprietary 2.4GHz wireless applications. By integrating a 32-bit ARM Cortex-M0 processor with a high-performance radio transceiver, it serves as an excellent foundation for wireless sensor networks, wearables, and IoT devices.
The architecture allows for complete independence between the application code and the wireless protocol stack, ensuring that firmware updates or protocol changes do not compromise the stability of the core application. Its pin-compatibility with the broader nRF51 series makes it highly adaptable for scalable hardware designs.
Note: Product images are for illustrative purposes only. Please refer to the official Nordic Semiconductor datasheet for comprehensive pin mapping, radio performance characteristics, and schematic layout recommendations.
Features
- Multiprotocol Support: Simultaneous support for Bluetooth Smart (BLE), ANT, and proprietary 2.4GHz stacks.
- Core Architecture: Energy-efficient 32-bit ARM Cortex-M0 CPU.
- Memory: Integrated 256kB Flash memory and 16kB RAM for application code and data.
- Peripheral Interfaces: Full set of digital interfaces including SPI, I2C, and UART.
- High Integration: 32 configurable GPIO pins in a compact QFN-48 package.
- Power Efficiency: Optimized current consumption (13mA receiving / 16mA transmitting) for battery-operated devices.
Benefits
- Scalability: Pin-compatible design allows for easy hardware migration across the nRF51 family.
- Simplified Development: Decoupled protocol stack and application code reduce development time and complexity.
- Reliability: Industry-standard ARM core ensures a rich ecosystem of development tools and libraries.
- Sensitivity: High receiver sensitivity (-96 dBm) ensures reliable connectivity in challenging RF environments.
Applications
- Wearables: Smartwatches, fitness trackers, and health monitors.
- Smart Home: Wireless environmental sensors and connected lighting control.
- Sports & Fitness: ANT+ compatible heart rate monitors, speed, and cadence sensors.
- Computer Peripherals: Wireless keyboards, mice, and remote controls.
- Medical: Portable patient monitoring systems.
Package Includes
- 1 x NRF51422-QFAA-R7 Bluetooth Smart SoC (48-Pin QFN)
Specifications
| Parameter | Specification |
|---|---|
| Product Name | NRF51422-QFAA-R7 |
| Package / Case | QFN-48 |
| Processor | 32-bit ARM Cortex-M0 |
| RF Frequency | 2.4 GHz |
| Communication Interfaces | I2C, SPI, UART |
| Receiver Sensitivity | -96 dBm |
| Operating Temperature | -25°C to 75°C |
| Shipping Weight | 0.015 kg |
