[CI]:nRF52840
[La fréquence]:2.360~2.500GHz
[Taille]:13.0*18.0mm
[Lester]:1.0±0.1g
[Poids du produit]:1.0±0.1g
[Introduction]:1. La puce nRF52840 importée d'origine, prenant en charge BLE 4.2 et B1. Puce de radiofréquence nRF52840 importée d'origine. 2. Protocoles ble 4.2 et 5.0. 3. Il est livré avec un noyau ARM CORTEX-M4F haute performance. 4. Avec une horloge en temps réel de 32,768K. 5. Une carte PCB haute performance à quatre couches avec d'excellentes caractéristiques RF aidera à passer diverses certifications. 6. Le module mène à la plupart des ports IO. 7. Le module n'est pas programmé, les utilisateurs doivent effectuer un développement secondaire.
| RF Parameter | Value | Remark |
|---|---|---|
| Working frequency | 2360~2500 MHz | Default: 2.4GHz (32MHz oscillator) |
| Transmitting power | 8 dBm | About 2.5mW |
| Receiving sensitivity | -103dBm@BLE 125kbps(Long distance mode) -95dBm@BLE 1M bps | - |
| Test distance | 120m | In open and clear air, with maximum power, 5 dBi antenna gain, height of 2m, 1M bps |
| Hardware Parameter | Value | Remark |
|---|---|---|
| IC | nRF52840-QIAAC0 / aQFN™ 73 | - |
| FLASH | 1024 KB | - |
| RAM | 256 KB | - |
| Core | ARM® Cortex™ -M4F | - |
| Size | 13.0 * 18.0 mm | - |
| Antenna type | Ceramic antenna | - |
| Communication interface | I/O | - |
| Package | SMD | - |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
|---|---|---|---|---|---|
| Power supply | 1.7 | 3.3 | 5.5 | V | - |
| Communication level | 0.7*VDD | - | VDD | V | - |
| Transmitting current | - | 17.05 12.68 7.25 7.63 | - | mA | TX only run current (DC/DC, 3V) P(RF)= +8 dBm TX only run current (DC/DC, 3V) P(RF)= +4 dBm TX only run current (DC/DC, 5V, REG0 out= 3.3V) P(RF)= 0 dBm TX only run current(DC/DC, 3V) P(RF)= 0 dBm |
| Receiving current | - | 7.71 8.27 | - | mA | RX only run current (DC/DC, 3V) 1M bps / 1M bps BLE RX only run current (DC/DC, 3V) 2M bps / 2M bps BLE |
| Operating temperature | -40 | 20 | +85 | ℃ | - |
| Operating humidity | 10 | 60 | 90 | % | - |
| Storage temperature | -40 | 20 | +125 | ℃ | - |