In IDLE mode, the current of nRF51822 is 2.6uA, the current of nRF51802 is 3.0uA, the standby current is different.The nRF51822 wake-up time is 4.4uS, while the nRF51802 wake-up time is 7.7uS. The internal wake-up time is different.The same transmit power consumes different currents, and nRF51822 saves more power. In the case of OdBm power supply: nRF51822 transmits current 9.7mA, nRF51802 transmits current 10mA.This leads to different power consumption of the chip’s transmission, and the power consumption of nRF51822 is lower. Tx Power power saving mode nRF51822 is -35dBm, nRF51802 is -30dBm.The receiving sensitivity of nRF51802 is -91dBm, and that of nRF51822 is -93dBm, whichleads to a difference in the receiving distance.There is no difference in the capacity of FLASH RAM between nRF51822-QFAA and nRF51802-QFAA. The nRF 51802 is a cost-down version of the nRF51822 in order to meet more consumer needs and nRF 51822 p2p products. The nRF51822 is already a mature device and is currently in its third edition. – Remote control toys The differences between nRF51822 and nRF51802 This includes medical devices, health and fitness sensors and monitor devices, key-fobs wrist watch, etc. This includes remote control devices such as 3D glasses, gaming controller, etc. This includes keyboard, mouse, multi-touch trackpad, etc. Below will show the typical use cases of BLE nRF51822 beacon. The nRF51822 is wirelessly compatible with Nordic’s nRF24L series of products, and these radios are used in quite a few products. The release of the nRF51822 running IPv6 opens the door for products that control the beacon nRF51822 over the Internet, rather than using Wi-Fi. Two 16 bit and one 24 bit timers with counter modeĬPU independent Programmable Peripheral Interconnect(PPI)Ħ×6 mm QFN package The block diagram of Bluetooth nRF51822
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