Certifications
Bluetooth SIG Certified [ Verify our SIG certification of LM746 ]
OTHER DECLARATIONS
ECCN / CCATS
Case Studies
PCN: LM808
A PCN (Product Change Notification) has been issued for our LM808 series product. Model: 808-0402, 808-0404 Effective: 11th December 2024 Download PCN: PCN03010
Bluetooth® 5 Dual Mode Audio Module – LM746
£100.00
The LM746 is an extremely versatile and cost effective Bluetooth® 5 compliant solution, enabling audio data to be wirelessly communicated between audio devices, using a Bluetooth® and Bluetooth low energy connection. It’s sound enhancement features make it a perfect fit within your premium audio device.
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Available: Out of stock
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Tech Spec
Additional Information
Wireless Standard Backward Compatibility Module Type - Programmable (Configurable with AT Commands)
Frequency 2.4 GHz
Profiles A2DP, AVRCP, GATT-Based, HFP, HSP, Partially Supported SPP
Programming Interface SPI
Interfaces - UART
- USB
Audio Interfaces I2S, PCM, SPDIF
Antenna IC Antenna
Dimensions - 23.9mm x 16mm x 2.3mm
Weight - 1.38g +/- 0.25g tolerance
Operating Temperature - -20°C to +75°C
Tx Output Power - 2dBm (Bluetooth® v2.0, v.2.1)
Rx Sensitivity - -90dBm (Bluetooth® v2.0, v.2.1)
Development Kit LM558
Compliance Certifications -
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Description
The LM746 Bluetooth® Dual Mode audio module is an extremely versatile and cost effective solution. Enabling audio data to be wirelessly communicated between audio devices using a Bluetooth® v2.0, v2.1 and Bluetooth® v4.0, v4.1, (or 5 compliant) connection. It’s sound enhancement features, makes it a perfect fit within your premium audio device. The sound enhancement features includes CSR’s aptX® audio technology. Providing CD-like quality over a Bluetooth® connection. And CSR’s cVc audio technology for noise cancellation. Perfectly suited to wireless headphones, speakers and hand-free headsets. This standalone module allows the developer to connect a microphone, speakers, capacitive touch sensors and other I/O devices. Running the user application without using an external MCU. LM offer application support to the developer and can create new user applications for the module. Your developed user application and settings can be preloaded to the LM746, simplifying the manufacturing and testing process. It’s SMT side and bottom pads allows for easy integrations into your embedded system.Typical Applications
- Wireless headphones and speakers
- Hand-free headsets
- Automotive infotainment systems
- Home entertainment devices
- Audio adapters
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Features
- Application Firmware Support
- aptX® codec (including support for SCMS-T) and Faststream codec
- CSR’s cVc noise-cancellation technology
- Integrated 16-bit Stereo Audio CODEC
- SBC, MP3 and AAC decoder
- 6 Capacitive touch sensor input interfaces
- Microphone input and Speaker output interfaces
Case Studies
PCN: LM808
A PCN (Product Change Notification) has been issued for our LM808 series product. Model: 808-0402, 808-0404 Effective: 11th December 2024 Download PCN: PCN03010
Resources
Access all the information for our products - some documentation my require an account to access.
The LM746 Bluetooth® Dual Mode audio module is an extremely versatile and cost effective solution.
Enabling audio data to be wirelessly communicated between audio devices using a Bluetooth® v2.0, v2.1 and Bluetooth® v4.0, v4.1, (or 5 compliant) connection. It’s sound enhancement features, makes it a perfect fit within your premium audio device.
The sound enhancement features includes CSR’s aptX® audio technology. Providing CD-like quality over a Bluetooth® connection. And CSR’s cVc audio technology for noise cancellation.
Perfectly suited to wireless headphones, speakers and hand-free headsets. This standalone module allows the developer to connect a microphone, speakers, capacitive touch sensors and other I/O devices.
Running the user application without using an external MCU. LM offer application support to the developer and can create new user applications for the module.
Your developed user application and settings can be preloaded to the LM746, simplifying the manufacturing and testing process. It’s SMT side and bottom pads allows for easy integrations into your embedded system.
Typical Applications
- Wireless headphones and speakers
- Hand-free headsets
- Automotive infotainment systems
- Home entertainment devices
- Audio adapters
Additional information
| Wireless Standard | |
|---|---|
| Backward Compatibility | |
| Module Type |
|
| Frequency | 2.4 GHz |
| Profiles | A2DP, AVRCP, GATT-Based, HFP, HSP, Partially Supported SPP |
| Programming Interface | SPI |
| Interfaces |
|
| Audio Interfaces | I2S, PCM, SPDIF |
| Antenna | IC Antenna |
| Dimensions |
|
| Weight |
|
| Operating Temperature |
|
| Tx Output Power |
|
| Rx Sensitivity |
|
| Development Kit | LM558 |
| Compliance | |
| Certifications | |
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