Case Studies
LM842 and LM843 Linux Mainline Support Announcement
LM Technologies is pleased to announce that Wi-Fi mainline support is now available for the LM842 and LM843 product series starting from Linux Kernel 6.2. What is Mainline Support?…
Bluetooth® 5.1 Audio Module – LM971
£100.00
The LM971 is a programmable Bluetooth® 5.1 audio module based on an extremely low power architecture which has been designed for use in Bluetooth® stereo headsets and speakers, and supports Qualcomm aptX™. This module is engineered for low power performance even in demanding use cases, supporting longer battery life in virtually all operating modes.
Available: Out of stock
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Tech Spec
Additional Information
Wireless Standard Backward Compatibility Frequency 2.4 GHz
Module Type - Programmmable
Interfaces - AIO
- GPIO
- I2S
- PCM
- SPI
- I2C
- UART
Antenna IC Antenna
Dimensions - 13.9mm X 13mm X 3.1mm
Operating Temperature - -40°C to +85°C
Bluetooth Technology Dual Mode, Bluetooth Low Energy (LE)
Compliance Technology Bluetooth®
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Description
Bluetooth® 5.1 Audio Module - LM971
The LM971 is a programmable Bluetooth® 5.1 audio module based on an extremely low power architecture which has been designed for use in Bluetooth® stereo headsets and speakers, and supports Qualcomm aptX™. This module is engineered for low power performance even in demanding use cases, supporting longer battery life in virtually all operating modes. The LM971 offers powerful multi-core processing, designed to enable complex use cases, and helps to support premium audio technologies. The onboard antenna makes this module ready to be added as a complete wireless audio solution to any project. With options for analog and digital audio inputs and outputs, as well as aptX™ codecs, third-party DAC support and Truewireless™ functionality, the LM971 offers a wide range of top quality audio features.Typical Applications
- Wireless headphones and speakers
- Hand-free headsets
- Automotive infotainment systems
- Home entertainment devices
- Portable DAC and headphone amplifiers
- Audio adapters
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Features
- Qualcomm TrueWireless™ Stereo support
- aptX™ HD and cVc noise cancellation options are supported
- Ultra-low power consumption with A2DP streaming as low as 4.8 mA
- Configurable DSP Interfaces
- Integrated battery charging
- Thermistor supported options
- Programmable audio master clock (MCLK)
- 1 x bidirectional 24-bit I²S interface
- Digital microphone inputs with the capability to interface with up to 6 digital microphones
- Stereo analogue outputs configurable as differential Class-AB headphone outputs or differential high effciency Class-D outputs
- Over-The-Air (OTA) firmware upgrade support
Case Studies
LM842 and LM843 Linux Mainline Support Announcement
LM Technologies is pleased to announce that Wi-Fi mainline support is now available for the LM842 and LM843 product series starting from Linux Kernel 6.2. What is Mainline Support?…
Resources
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Bluetooth® 5.1 Audio Module – LM971
The LM971 is a programmable Bluetooth® 5.1 audio module based on an extremely low power architecture which has been designed for use in Bluetooth® stereo headsets and speakers, and supports Qualcomm aptX™. This module is engineered for low power performance even in demanding use cases, supporting longer battery life in virtually all operating modes.
The LM971 offers powerful multi-core processing, designed to enable complex use cases, and helps to support premium audio technologies. The onboard antenna makes this module ready to be added as a complete wireless audio solution to any project.
With options for analog and digital audio inputs and outputs, as well as aptX™ codecs, third-party DAC support and Truewireless™ functionality, the LM971 offers a wide range of top quality audio features.
Typical Applications
- Wireless headphones and speakers
- Hand-free headsets
- Automotive infotainment systems
- Home entertainment devices
- Portable DAC and headphone amplifiers
- Audio adapters
Additional information
| Wireless Standard | |
|---|---|
| Backward Compatibility | |
| Frequency | 2.4 GHz |
| Module Type |
|
| Interfaces |
|
| Antenna | IC Antenna |
| Dimensions |
|
| Operating Temperature |
|
| Bluetooth Technology | Dual Mode, Bluetooth Low Energy (LE) |
| Compliance | |
| Technology | Bluetooth® |
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