NRF51822 Bluetooth module
The NRF 51822 BLE 4.0 Wireless Low-power Development Board is a versatile wireless module optimized for ultra-low power wireless applications. It utilizes the 51822, which is a multiprotocol Bluetooth® 4.0 low energy/2.4 GHz RF SoC developed by Nordic Semiconductor.
Built around the nRF 51822 SoC, the Core51822 wireless module provides an easy-to-use interface for developers who want to incorporate Bluetooth connectivity into their projects. This module is ideal for wireless sensors, health and fitness trackers, smart home automation, and more.
One of the standout features of the nRF 51822 is its ultra-low power consumption. With less than 10 µA power consumption in sleep mode, the nRF 51822 can operate for several years on a single coin cell battery.
Designed to be user-friendly and integrate seamlessly with existing projects, the Core51822 module includes all necessary components, such as an onboard antenna, voltage regulator, and crystal oscillator. Additionally, it has several input and output pins that can be used to connect to other devices and sensors, making it a versatile option for various applications.
Features:
- 2.4 GHz multiprotocol RF transceiver
- ARM® Cortex M0 32 bit processor
- 128 bit AES HW encryption
- 256kB flash & 32kB RAM
- Programmable Peripheral Interconnect (PPI)
- 10 bit ADC
- Programmable output power: -20 to 4 dBm
- Independent application development and protocol stack
- Fully compatible with NRF24L series
- Pinout compatible with NRF51xxx series
- Global separate power management
- Onboard Antenna
Applications:
- Wearable devices
- Bluetooth intelligent application
- Mobile phone accessories
- RFID labels
- Smart home appliances
- Industry control
- Data acquisition system
Package Includes:
1 x NRF51822
Specifications
|
Frequency band |
2.4GHz ISM ( 2.40000 – 2.4835GHz) |
|
On-air data rate |
250 kbps, 1 Mbps or 2 Mbps |
|
Modulation |
GFSK |
|
Output power |
Programmable: 4 to -20dBm in 4dB steps |
|
Sensitivity |
-92.5dBm Bluetooth low energy -96dBm at 250kb -90dBm at 1Mbs -85dBm at 2Mbs |
|
Radio current consumption LDO at 1.8V |
16mA – TX at 4dBM output power 10.5mA – TX at 0dBm output power 13mA – RX at 1Mbs |
|
Radio current consumption DC-DC at 3V |
10.5mA – TX at 4dBm output power 8.1mA – TX at 0dBm output power 9.5mA – RX at 1Mbs |
|
Microcontroller |
32-bit ARM Cortex M0 |
|
Program Memory |
256kB Flash |
|
RAM |
16kB |
|
Oscillators |
16MHz crystal oscillator 16MHz RC oscillator 32kHz crystal oscillator 32kHz RC oscillator (±250 ppm) |
|
System current consumption |
420nA – No RAM retention 530nA - 8k RAM retention 2μA – All peripherals in IDLE mode |
|
Hardware Security |
128-bit AES ECB/CCM/AAR co-processor |
|
GPIO |
31 configurable |
|
Digital I/O |
X2 Hardware SPI master 2X 2-wire master UART Quadrature demodulator |
|
Peripherals |
10-bit ADC RNG Temperature sensor RTC |
|
PPI |
16-channel |
|
Voltage regulator |
LDO (1.8 to 3.6V), LDO bypass (1.75 to 1.95V) Buck DC/DC (2.1 to 3.6V) |
|
Timers/counters |
2 x 16 bit, 1 x 24bit, 2 x 24bit, RTC |
|
Package options |
RoHS compliant 48-pin 6x6 QFN |
