Features
- Bluetooth 5.2 classic and low energy
- Voice-activated assistant
- 24 bits audio quality
- 8 kHz to 384 kHz audio sample rate
- Acoustic echo cancellation
- MIC/Line_IN
- Battery Charge (<220mA)
- PCB ANT
Applications
- Bluetooth speakers
- Bluetooth music box
- Stereo headsets/headphones
- USB audio/USB to Bluetooth dongle
- Audio transmitter
Specifications
| Categories | Features | Implementation |
|---|---|---|
| Wireless Specification | version | BT V5.2 Dual-mode |
| Frequency | 2.402 ~ 2.480 GHz | |
| Transmit Power | +10 dBm (Maximum) | |
| Receive Sensitivity | -93.0 dBm (typ.) BR=1Mbps -94.0 dBm (typ.) EDR=2Mbps -86.0 dBm (typ.) EDR=3Mbps -97 dBm (typ.) BLE=1Mbps |
|
| Host Interface and Peripherals | UART Interface | TX, RX |
| General Purpose I/O | ||
| Default 115200, N, 8, 1 | ||
| Baudrate support from 4800 to 4000000 | ||
| GPIO | 17 (maximum – configurable) lines | |
| I²C Interface | 2 I²C Master interface with speed up to 400 kbps | |
| ADC Interface | Analog input voltage range: 0~ 1.8V | |
| 12-bit ADC | ||
| USB Interface | 1 full-speed (12 Mbps) | |
| Profiles | BR/EDR | (Serial Port Profile) - Up to 600 Kbps |
| A2DP/AVRCP/HFP/HSP/HOGP/PBAP/SPP Profiles support | ||
| Bluetooth Low Energy | GATT Client & Peripheral | |
| Simultaneous BR/EDR and BLE support | ||
| Audio | 24bit ADC/DAC | |
| FW upgrade | UART | |
| Supply Voltage | Supply | VDD: 2.8V ~ 4.2V |
| Power Consumption | Shut down: 0.9 uA (typ) | |
| Standby: 20 uA (typ) | ||
| A2DP/HFP: 6 mA (typ) BLE TX 10dBm: 28 mA (typ) |
||
| Environmental | Operating | -20°C to +85°C |
| Storage | -40°C to +85°C | |
| Miscellaneous | Lead Free | Lead-free and RoHS compliant |
| Warranty | One Year | |
| Humidity | 10% ~ 90% non-condensing | |
| MSL grade: | MSL 3 | |
| ESD grade: | Human Body Model: Class 2 2kV (all pins) | |
| Charged Device Model: Class 3 500 V (all pins) | ||
| Physical | Dimensions (mm) | 13 × 26.9 × 1.7 |