Features
- Qualified to Bluetooth® v5.3 specification
- Dual 240 MHz Qualcomm® Kalimba™ audio DSPs
- 32/80 MHz Developer Processor for applications
- Firmware Processor for system
- High-performance 24-bit stereo audio interface
- Digital and analog microphone interfaces
- Flexible LED controller and LED pins with PWM support
- Serial interfaces: UART, Bit Serializer (I²C/SPI), USB 2.0
- Advanced audio algorithms
- Active Noise Cancellation: Hybrid, Feedforward, and Feedback modes, using Digital or Analog Mics, enabled using license keys available from Qualcomm®
- Qualcomm® LE Audio, aptX™ and aptX™ HD Audio, LDAC
- aptX™ Adaptive, enabled using license key
- Qualcomm® cVc™ Noise Cancellation Technology, enabled using license key
- Integrated PMU: Dual SMPS for system/digital circuits, Integrated Li-ion battery charger
- Qualified to Bluetooth v5.3 specification including 2 Mbps Bluetooth Low Energy and Bluetooth Low Energy Isochronous Channels
- Qualcomm® Bluetooth High Speed Link
- Single ended antenna connection with on-chip balun and Tx/Rx switch
- Bluetooth, Bluetooth Low Energy, and mixed topologies supported
- Class 1 support
Applications
- TrueWireless™ stereo earbuds
- Wired/wireless stereo headsets/headphones
- Bluetooth speaker
Specifiications
| Categories | Features | Implementation |
|---|---|---|
| Wireless Specification | Chip | QCC5181 |
| Bluetooth Version | V5.3 | |
| Frequency | 2.402 ~ 2.480 GHz | |
| Transmit Power | +15 dBm (Typ VBAT=3.7V) | |
| Receive Sensitivity | -96.5 dBm (typ.) π/4 DQPSK receiver sensitivity -90.0 dBm (typ.) 8DPSK receiver sensitivity -100.5 dBm (typ.) BLE 1 Ms/s receiver sensitivity |
|
| Real-time digitised RSSI available to application | ||
| Raw Data Rates (Air) | 3 Mbps (Classic BT - BR/EDR) | |
| Host Interface and Peripherals | UART Interface | TX, RX, CTS, RTS |
| General Purpose I/O | ||
| Default 115200, N, 8, 1 | ||
| Baudrate supporting from 2400 to 4000000 | ||
| GPIO | 20 (maximum – configurable) lines | |
| O/P drive strength (2, 4, 8, or 12 mA) | ||
| Pull-up resistor (70 KΩ) control | ||
| I²C Interface | I²C Master interface with speed up to 400 kbps | |
| SPI Interface | SPI debug and programming interface with read access disable locking | |
| ADC Interface | Analog input voltage range: 0 ~ 1.854V | |
| 10-bit ADC | ||
| 4 channels (configured from AIO total) | ||
| USB Interface | 1 USB2.0 Full Speed (12 Mb/s) | |
| Audio CODEC | LE Audio, aptX, aptX HD, aptX Adaptive (enabled using license key), SBC and AAC audio codecs | |
| Configurable Signal Detection to trigger events | ||
| Compander to compress or expand the dynamic range of the audio | ||
| Post Mastering to improve DAC fidelity | ||
| 24‑bit I²S interface with 1 input and 3 output channels, Supports 8-slot TDM, Supports 8 kHz, 16 kHz, 32 kHz, 44.1 kHz, 48 kHz, 96 kHz, 192 kHz, 384 kHz sample rates | ||
| SPDIF interfaces ：Two instances configurable as input or output, Supports 8 kHz, 16 kHz, 32 kHz, 44.1 kHz, 48 kHz, 96 kHz, 192 kHz sample rates | ||
| 2 coder decoder (codec) output channels, supporting 8 kHz, 16 kHz, 32 kHz, 44.1 kHz, 48 kHz, 96 kHz, 192 kHz sample rates, 16 codec input channels supporting 8 kHz, 16 kHz, 32 kHz, 44.1 kHz, 48 kHz, 96 kHz sample rates | ||
| Digital mic: Five interfaces supporting up to ten microphones, Supports 500 kHz, 571 kHz, 666 kHz, 800 kHz, 1 MHz, 1.33 MHz, 2 MHz, and 4 MHz clock frequencies | ||
| Stereo audio ADC with line input, stereo audio DAC | ||
| Supported sample rates of 8, 16, 32, 44.1, 48, 96, 192 and 384KHz (Input) | ||
| MIC/Line_IN SNR: 99 dB | ||
| MIC/Line_IN THD+N: -94.9 dB | ||
| Audio Output SNR: 103.8 dBA typ | ||
| Audio Output THD+N: -92.5 dB typ | ||
| Audio Output Power: 1000 mV (typ) (0 dBFS 10K load) | ||
| Profiles | BR/EDR | SPP (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 | ||
| Maximum Connections | BR/EDR | up to 7 active slaves |
| Bluetooth Low Energy | 1 connection as peripheral, up to 5 connections as central | |
| FW upgrade | Via UART (TBD) | |
| USB (TBD) | ||
| OTA | ||
| SPI | ||
| Supply Voltage | Supply | VDD_IO: 1.7V ~ 3.3V; VBAT_IN: 2.8V ~ 4.30V |
| Power Consumption (Load=10KΩ, VBAT_IN=3.3V) | Play: < 5mA (0dB 1KHz sine wave signal)---*Average | |
| Pairing: < 5mA---*Average | ||
| OFF: < 100uA---*Average | ||
| Physical | Dimensions (mm) | 13 × 26.9 × 2.2; Pad Pitch 1.0 |
| Environmental | Operating | -40°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 III 500V (all pins) |
