1.ALM-A01-CSR8645 is a complete Bluetooth® solution and high-quality low energy audio module with PCB antenna
2.It is built on ROM-based chip CSR8645 based on CSR BC08 Multimedia Core, fully compliant with Bluetooth core specification V4.1, with high performance stereo ADC and DAC and aptX Hi-Fi quality stereo codec.
3.It's a short range, compact and cost effective module, able to be embedded into your electronics devices which need Bluetooth® connection, such as Home Audio, Car kit, Hands free applications.
Specifications:
Spec Item | Range | |
General | Dimension (mm) | 24.0 x 17.8 x 3.0 mm |
PCB material | FR4 four layers | |
Soldering pin type | Stamp module for SMT | |
Antenna | Antenna built-in | |
Firmware memory | ROM | |
I/O interface | PIOs, AIOs, UART, SPI, USB, I2S/PCM | |
Output for LED | 3 LED outputs (RGB) | |
Bluetooth | Bluetooth version | Bluetooth specification: V4.1 + EDR |
Bluetooth chipset | BlueCore® CSR8645™ | |
Profiles supported | A2DP/AVRCP/HFP/HSP | |
Multi-point connection | 2 x host devices (A2DP/HFP) or 2 x headsets | |
Smart connection | CSR's proximity pairing & connection | |
NFC/Touch-to-pair | NFC module built in (Optional) | |
RF/Wireless | Frequency range | 2.40GHz to 2.48GHz |
Transmission power | Class 2 , 0 ~ +8 dBm | |
Sensitivity | -87dBm (typical) | |
Wireless Range | >10m ( free space) | |
Supply - Battery (VDD_BAT) | 4.30V (Max) | |
Supply - I/O (VDD_PADS) | 3.0V~3.7V (Recommended) | |
Current consumption1 | ~250uA (typical) @ACL link, Sniff 500ms, LED off, Standby | |
Current consumption2 | ~11 mA (typical) @SCO link, HV3 packet, SCO | |
Current consumption3 | ~13 mA (typical) @SBC, 48KHz sampling, A2DP | |
1.Features:
· A small and cost effective Bluetooth® System
· V4.1 csr8645 bluetooth low energy audio module with good price
· Class 2, up to 10-meter range
· Security simple pairing
· Bluetooth® Profile Supported: HSP, HFP, A2DP ,AVRCP
· aptX,SBC,MP3 and AAC decoder support
· Multiple connections support(2HFP connections and 2A2DP connections)
· CSR's latest CVC technology for narrowband and wideband voice connections
· 5-band fully configurable EQ
· Audio interface: I2S and PCM
· CSR GAIA support analog
· Parameters configurable
· Wired audio support: USB and analogue
· Power management: low power 1.8V operation for Bluetooth® core
· Surface mount package for embedded applications
2.Applications:
· Stereo Bluetooth headset/headphone
· Bluetooth Speaker
· High-end noise cancellation mono headset
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