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LM747

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LM747 is LM Technologies Bluetooth® v4.1, v4.0, v2.1 Dual Mode Class 2 Multimedia module with stereo flash. This module is ideal for multimedia applications in vehicle infotainment systems, handsfree kits, headsets, Bluetooth speakers and Bluetooth® Stereo Headsets and much more.

Availability: For Sale

USD $25.00
-+

Details

Bluetooth® v4.1 Dual Mode Programmable Module – LM747

The LM747 Bluetooth® Dual Mode audio module is a compact and cost effective solution. Enabling audio data to be wirelessly communicated between audio devices. Using a Bluetooth® and Bluetooth low energy connection. Its 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, LCD segment displays 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 LM747, simplifying the manufacturing and testing process. Its 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

 

Features

  • aptX® and Faststream CODEC
  • SBC, MP3 and AAC decoder
  • CSR’s cVc technology for noise-cancellation
  • Microphone input and Speaker output interfaces
  • SMT Side and Bottom Pads for easy production

 

Wireless Standard BT 2.0 BT 2.1 BT 3.0 BT 4.0BT 4.1
Module Type Programmable (Configurable with AT Commands)
Profiles (Partially Supported) A2DP, AVRCP, HFP, HSP, PBAP
Program Interface SPI
Interfaces UART, USB
Antenna RF Antenna Interface
Dimensions 12.4mm x 12.4mm x Height (Typical 2.05mm – Max 2.35mm)
Operating Temperature -20°C to +75°C
Development Kit LM559
Compliance Reach RoSH WEEE

Additional Information

Manufacturer LM Technologies
Backorder Lead Time 2-3 weeks ARO
Specification 4.1
Bluetooth Spec 2.0, 2.1, 3, 4, 4.1
Interface I2C
Bluetooth Bus UART, USB
Class 2
Bluetooth stack location built-in
Profiles AVRCP, PBAP, A2DP, HFP, HSP
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