Case Studies

Lead Times Update 22 Sep 2022

For new orders, due to extended lead times from our chip vendors/suppliers, we are experiencing delays for key components used in LM products which are impacting the normal production cycle.…

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

  • Tech Spec

    Additional Information

    Wireless Standard
    • BT 5
    Backward Compatibility
    • Bluetooth 4.2
    • Bluetooth 4.1
    • Bluetooth 4.0
    • Bluetooth 3.0
    • Bluetooth 2.1
    • Bluetooth 2.0
    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
    • Reach
    • RoHS
    • WEEE
    Technology

    Bluetooth®

  • 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
  • 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

Lead Times Update 22 Sep 2022

For new orders, due to extended lead times from our chip vendors/suppliers, we are experiencing delays for key components used in LM products which are impacting the normal production cycle.…

Resources

Access all the information for our products - some documentation my require an account  to access.

Talk to us...

It’s what makes us stand out against our competitors, we are the experts, real people that can assist you – not just resellers.

Keep informed...

Alerts for EOL, PCN and products updates

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
  • BT 5
Backward Compatibility
  • Bluetooth 4.2
  • Bluetooth 4.1
  • Bluetooth 4.0
  • Bluetooth 3.0
  • Bluetooth 2.1
  • Bluetooth 2.0
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
  • Reach
  • RoHS
  • WEEE
Technology

Bluetooth®