| PartNumber | nRF51822-QFAA-R7 | nRF51822-QFAA-T | nRF51822-QFAA-R |
| Description | RF System on a Chip - SoC 2.4GHz BT low Energy 256KB Flash 16KB Ram | RF System on a Chip - SoC 2.4GHz BT low Energy 256KB Flash 16KB Ram | RF System on a Chip - SoC 2.4GHz BT SoC |
| Manufacturer | Nordic Semiconductor | Nordic Semiconductor | Nordic Semiconductor |
| Product Category | RF System on a Chip - SoC | RF System on a Chip - SoC | RF System on a Chip - SoC |
| RoHS | Y | Y | Y |
| Type | Bluetooth | - | - |
| Core | ARM Cortex M0 | - | - |
| Operating Frequency | 2.4 GHz | - | - |
| Maximum Data Rate | 250 kb/s | - | - |
| Output Power | 4 dBm | 4 dBm | 4 dBm |
| Sensitivity | - 92.5 dBm | - | - |
| Operating Supply Voltage | 1.8 V to 3.6 V | - | - |
| Supply Current Receiving | 9.5 mA | - | - |
| Supply Current Transmitting | 6.3 mA | - | - |
| Program Memory Size | 256 kB | - | - |
| Package / Case | QFN-48 | - | - |
| Packaging | Reel | Tray | Reel |
| Program Memory Type | Flash | - | - |
| Series | nRF51 | nRF51 | nRF51 |
| Brand | Nordic Semiconductor | Nordic Semiconductor | Nordic Semiconductor |
| Data RAM Size | 16 kB | - | - |
| Data RAM Type | RAM | - | - |
| Interface Type | 2-Wire, SPI, UART | - | - |
| Mounting Style | SMD/SMT | - | - |
| ADC Resolution | 10 bit | - | - |
| Data Bus Width | 32 bit | - | - |
| Moisture Sensitive | Yes | Yes | - |
| Number of Timers | 2 Timer | - | - |
| Processor Series | nRF51822 | - | - |
| Product Type | RF System on a Chip - SoC | RF System on a Chip - SoC | RF System on a Chip - SoC |
| Factory Pack Quantity | 1000 | 490 | 3000 |
| Subcategory | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits |
| Unit Weight | 0.005309 oz | - | - |