




| Parameter | Symbol | Min | Typical | Max | Unit s | Condition |
| Power Supply Voltage | VCC | 1.65 | 3.0 | 3.6 | V | |
| Supply Voltage USB | VDDUSB | 3.0 | 3.3 | 3.6 | V | |
| Backup Battery Voltage | V_BCKP | 1.4 | 3.6 | V | ||
| Backup Battery Current | I_BCKP | 15 | μA | V_BCKP = 1.8V, VCC = 0V | ||
| SW Backup Current | I_SWBCKP | 30 | μA | VCC = 3V | ||
| Input Pin Voltage Range | Vin | 0 | VCC | V | ||
| Digital IO Pin Low Level Input Voltage | Vil | 0 | 0.2*VCC | V | ||
| Digital IO Pin High Level Input Voltage | Vih | 0.7*VCC | VCC | V | ||
| Digital IO Pin Low Level Output Voltage | Vol | 0.4 | V | lol = 4mA | ||
| Digital IO Pin High Level Output Voltage | Voh | VCC-0.4 | V | loh = 4mA | ||
| USB_DM,USB_DP | VinU | Compatible with USB with 27Ω series resistance | ||||
| VCC_RF Voltage | VCC_RF | VCC-0.1 | V | |||
| VCC_RF Output Current | ICC_RF | 50 | mA | |||
| Receiver Chain Noise Figure | NFtot | 2.0 | dB | |||
| Operating Temperature | Topr | -40 | 85 | °C | ||