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NRF51822

NRF51822
- Regular price
- Rs. 319
- Sale price
- Rs. 319
- Regular price
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Rs. 499 - Unit price
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NRF51822
NRF51822 incorporates a rich selection of analog and digital peripherals that can interact without CPU intervention through the Programmable Peripheral Interconnect (PPI) system. A flexible 31-pin GPIO mapping scheme allows I/O like serial interfaces, PWM and quadrature demodulator to be mapped to any device pin as dictated by PCB requirements. This enables complete design flexibility associated with pin-out location and function.
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 |