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NRF51822-QFAA-R
+StücklisteIC RF TXRX+MCU BLUETOOTH 48VFQFN
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HerstellerNordic Semiconductor ASA
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Herstellerteil #NRF51822-QFAA-R
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Paket QFN-48
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Auf Lager2451
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Spezifikationen
| Attribut | Wert |
| Package / Case | Tape & Reel (TR) |
| Part Status | Not For New Designs |
| Type | TxRx + MCU |
| RF Family / Standard | Bluetooth, General ISM > 1GHz |
| Protocol | Bluetooth v4.0 |
| Modulation | GFSK |
| Frequency | 2.4GHz |
| Data Rate (Max) | 2Mbps |
| Power - Output | 4dBm |
| Sensitivity | -96dBm |
| Memory Size | 256kB Flash, 16kB RAM |
| Serial Interfaces | I²C, SPI, UART |
| GPIO | 32 |
| Voltage - Supply | 1.8V ~ 3.6V |
| Current - Receiving | 9.7mA ~ 13.4mA |
| Current - Transmitting | 4.7mA ~ 16mA |
| Operating Temperature | -25°C ~ 75°C |
| Mounting Type | Surface Mount |
Übersicht
Description
This chip features a 32-bit ARM Cortex-M0 processor, offering a balance between performance and power consumption. It comes with 256kB of flash memory and 16kB of RAM, providing adequate resources for complex applications. The NRF51822-QFAA-R supports a wide range of protocols, including BLE, ANT, and proprietary 2.4GHz protocols, allowing for flexible wireless communication.
Additional features include a rich set of peripherals like ADC, UART, SPI, and I2C interfaces, making it easy to integrate with other devices and sensors. The chip's compact package and low power consumption extend battery life, which is critical in portable applications. Its versatility and efficiency make it a popular choice among developers for IoT and wireless communication projects.
Equivalent
1. Nordic Semiconductor: NRF51822 series variants.
2. Texas Instruments: CC2540, CC2541.
3. Dialog Semiconductor: DA14580, DA14531.
4. Microchip Technology: RN4871, RN4870.
5. Silicon Labs: EFR32BG series.
These alternatives offer similar BLE capabilities, but specific features and performance may vary. Always check compatibility and requirements for your specific application.
Features
1. BLE Support: Compliant with Bluetooth 4.0 specifications, offering robust and efficient wireless communication.
2. Processor: 32-bit ARM Cortex-M0 CPU, providing efficient computing power for various applications.
3. Memory: 256 kB Flash memory and 16 kB RAM, facilitating sufficient storage for application and protocol stacks.
4. Low Power Consumption: Engineered for minimal energy usage, ideal for battery-powered devices.
5. Peripherals: Includes a range of interfaces such as UART, SPI, I2C, ADC, and GPIO, allowing flexibility in device integration.
6. On-chip RF Transceiver: Supports proprietary 2.4 GHz protocols alongside BLE, enhancing communication capabilities.
7. SoftDevice Architecture: Facilitates the concurrent operation of the protocol stack and application, streamlining development.
8. Development Support: Compatible with the nRF5 SDK and a vast ecosystem of development tools, easing application design and prototyping.
These features make the NRF51822-QFAA-R suitable for a wide range of applications, including wearables, IoT devices, and health monitoring systems.
Pinout
This specific variant, QFAA, comes in a 48-pin QFN (Quad Flat No-leads) package. The pin count for the NRF51822-QFAA-R is therefore 48.
Key functions include:
1. BLE and 2.4GHz support: Facilitates wireless connectivity.
2. Processor and Memory: Contains a low-power ARM Cortex-M0 CPU with 256KB of flash memory and 16KB RAM.
3. GPIO and Interface: Offers a range of General Purpose Input/Output (GPIO) pins alongside interfaces like SPI, I2C, UART, and ADC.
4. Timers and PWM: Includes versatile timers and Pulse Width Modulation capabilities.
5. Security: Incorporates AES encryption for secure communications.
These features make the NRF51822-QFAA-R suitable for a wide array of applications, including wearable technology, smart home devices, and health-related gadgets.
Manufacturer
Nordic Semiconductor's products are widely used for their low power consumption and robust performance, making them suitable for battery-operated devices. The NRF51822 is part of their nRF51 series, which integrates a powerful ARM Cortex-M0 processor with a multiprotocol radio, supporting BLE and other wireless protocols. By providing highly integrated chip solutions, Nordic Semiconductor plays a critical role in enabling the development of next-generation wireless devices and applications.
Application
1. Wearable Technology: Fitness trackers and smartwatches.
2. Healthcare Devices: Remote health monitoring equipment.
3. Smart Home: IoT devices like smart bulbs and thermostats.
4. Beacons: Proximity and location-based services.
5. Industrial Automation: Wireless sensor networks for monitoring and control.
6. Consumer Electronics: Wireless keyboards, mice, and remote controls.
7. Asset Tracking: Real-time location tracking systems.
Its features make it suitable for applications requiring reliable wireless communication with minimal energy usage.