The Texas Instruments CC2540 data sheet provides specifications, electrical characteristics, and features of the low‑power Bluetooth wireless link chip.
The CC2540 is a low‑cost, low‑power system‑on‑chip solution for Bluetooth low‑energy applications. It integrates a 8051‑core MCU, 56 KB flash, 8 KB RAM, and a fully programmable RF transceiver covering 2.4 GHz ISM band, making it suitable for wearables, medical devices, and consumer electronics.
Key specifications include a supply voltage range of –0.3 V to 3.9 V, operating temperature from –40 °C to 85 °C, RF frequency range of 2402 MHz‑2480 MHz, high‑gain receiver sensitivity of –93 dBm, and output power adjustable from –20 dBm to +4 dBm. The device supports multiple power modes with current consumption as low as 0.4 µA in sleep. This manual is written in Chinese.
| Operating Temperature Range | –40 °C to 85 °C |
|---|---|
| Flash Memory | 56 KB |
| RAM | 8 KB |
| RF Frequency Range | 2402 MHz – 2480 MHz |
| High‑Gain Receiver Sensitivity | –93 dBm |
It can operate between –40 °C and 85 °C.
The device supports programmable RF frequencies from 2402 MHz to 2480 MHz.
In high‑gain mode the receiver sensitivity is –93 dBm.