Case Studies
Lead Times Update 09 May 2024
LM Technologies is continuously liaising with suppliers to reduce any lead times where possible. We have updated lead times for new orders for the following products: LM506 – 10 Weeks…
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 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®
-
-
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 09 May 2024
LM Technologies is continuously liaising with suppliers to reduce any lead times where possible. We have updated lead times for new orders for the following products: LM506 – 10 Weeks…
Resources
Access all the information for our products - some documentation my require an account to access.
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® |
Related products
-
Bluetooth® 5.0 Dual Mode Serial Adapter – LM068
£100.00Read moreThe LM068 is the world’s smallest Bluetooth® 5.0 Dual Mode Serial Adapter (RS232), providing a secure and reliable Bluetooth® 5.0 Class 1 connection.
[av_button label=’Datasheet’ link=’manually,https://www.lm-technologies.comlm_downloads/LM068_DATASHEET.pdf’ link_target=’_blank’ size=’small’ position=’left’ icon_select=’yes-right-icon’ icon_hover=’aviaTBicon_hover’ icon=’ue832′ font=’entypo-fontello’ color=’dark’ custom_bg=’#444444′ custom_font=’#ffffff’]
[av_button label=’Firmware’ link=’manually,https://wiki.lm-technologies.com/lm068-lm961-lm074-bt4-1-bt5-0-firmware-release/’ link_target=’_blank’ size=’small’ position=’left’ icon_select=’yes-right-icon’ icon_hover=’aviaTBicon_hover’ icon=’ue832′ font=’entypo-fontello’ color=’dark’ custom_bg=’#444444′ custom_font=’#ffffff’]
[av_button label=’Where to Buy’ link=’page,471′ link_target=” size=’small’ position=’right’ icon_select=’yes-right-icon’ icon_hover=’aviaTBicon_hover’ icon=’ue832′ font=’entypo-fontello’ color=’dark’ custom_bg=’#444444′ custom_font=’#ffffff’]
Compare -
WiFi and Dual Mode Bluetooth® 4.2 Combination Module – LM813
£100.00Read moreThe LM813 Series Combination Module supports both WiFi 802.11ac with data rates up to 433Mbps and Bluetooth® 4.2.
[av_button label=’Datasheet’ link=’manually,https://www.lm-technologies.comlm_downloads/LM813_DATASHEET.pdf’ link_target=’_blank’ size=’small’ position=’left’ icon_select=’yes-right-icon’ icon_hover=’aviaTBicon_hover’ icon=’ue832′ font=’entypo-fontello’ color=’dark’ custom_bg=’#444444′ custom_font=’#ffffff’]
[av_button label=’Where to Buy’ link=’page,471′ link_target=” size=’small’ position=’right’ icon_select=’yes-right-icon’ icon_hover=’aviaTBicon_hover’ icon=’ue832′ font=’entypo-fontello’ color=’dark’ custom_bg=’#444444′ custom_font=’#ffffff’]
Compare -
WiFi 802.11ac / Bluetooth® 5.0 2T2R USB Combi Adapter – LM842
£100.00Read moreThe LM842 USB Adapter (Dongle) complies with Bluetooth® 5.0 (Dual Mode) and IEEE 802.11ac WiFi Standards of operation.
Using a fully integrated single-chip that supports 2-stream 802.11ac solutions with Multi-user MIMO (Multiple-Input, Multiple-Output)
[av_button label=’Datasheet’ link=’manually,https://www.lm-technologies.comlm_downloads/LM842_DATASHEET.pdf’ link_target=’_blank’ size=’small’ position=’left’ icon_select=’yes-right-icon’ icon_hover=’aviaTBicon_hover’ icon=’ue832′ font=’entypo-fontello’ color=’dark’ custom_bg=’#444444′ custom_font=’#ffffff’]
[av_button label=’Where to Buy’ link=’page,471′ link_target=” size=’small’ position=’right’ icon_select=’yes-right-icon’ icon_hover=’aviaTBicon_hover’ icon=’ue832′ font=’entypo-fontello’ color=’dark’ custom_bg=’#444444′ custom_font=’#ffffff’]
Compare -
Bluetooth® 5.0 Dual Mode Module – LM961
£100.00Read moreLM961 is a highly integrated Bluetooth 5.0 dual mode module that reduces the time to market for industrial IoT applications.
[av_button label=’Datasheet’ link=’manually,https://www.lm-technologies.comlm_downloads/LM961_DATASHEET.pdf’ link_target=’_blank’ size=’small’ position=’left’ icon_select=’yes-right-icon’ icon_hover=’aviaTBicon_hover’ icon=’ue832′ font=’entypo-fontello’ color=’dark’ custom_bg=’#444444′ custom_font=’#ffffff’]
[av_button label=’Firmware’ link=’manually,https://wiki.lm-technologies.com/lm068-lm961-lm074-bt4-1-bt5-0-firmware-release/’ link_target=’_blank’ size=’small’ position=’left’ icon_select=’yes-right-icon’ icon_hover=’aviaTBicon_hover’ icon=’ue832′ font=’entypo-fontello’ color=’dark’ custom_bg=’#444444′ custom_font=’#ffffff’]
[av_button label=’Dev Kit’ link=’manually,https://www.lm-technologies.comproduct/bluetooth-smart-ready-development-and-evaluation-product-family-lm55x/’ link_target=’_blank’ size=’small’ position=’left’ icon_select=’yes-right-icon’ icon_hover=’aviaTBicon_hover’ icon=’ue832′ font=’entypo-fontello’ color=’dark’ custom_bg=’#444444′ custom_font=’#ffffff’]
[av_button label=’Where to Buy’ link=’page,471′ link_target=” size=’small’ position=’right’ icon_select=’yes-right-icon’ icon_hover=’aviaTBicon_hover’ icon=’ue832′ font=’entypo-fontello’ color=’dark’ custom_bg=’#444444′ custom_font=’#ffffff’]
Compare -
Bluetooth® Serial Adapter Class 1 Long Range – LM058
£100.00Read moreBluetooth® Serial Adapter Class 1 Long Range – LM058 has a minimum range of 100m when used with its 2dBi external antenna. 5, 7 and 9dBi antennas are also available and offer greater distances often in excess of 800m and only limited by the environment. The RS232 Serial Adapter uses a CSR IC and our own AT Command firmware enables connections with other Bluetooth® devices over SPP profile, in either Bluetooth® v2.1 or v2.0 standards.
[av_button label=’Datasheet’ link=’manually,https://www.lm-technologies.comlm_downloads/LM058_DATASHEET.pdf’ link_target=’_blank’ size=’small’ position=’left’ icon_select=’yes-right-icon’ icon_hover=’aviaTBicon_hover’ icon=’ue832′ font=’entypo-fontello’ color=’dark’ custom_bg=’#444444′ custom_font=’#ffffff’]
[av_button label=’Firmware’ link=’manually,https://wiki.lm-technologies.com/lm048-lm058-lm072-bt2-0-2-1-classic-firmware-release/’ link_target=’_blank’ size=’small’ position=’left’ icon_select=’yes-right-icon’ icon_hover=’aviaTBicon_hover’ icon=’ue832′ font=’entypo-fontello’ color=’dark’ custom_bg=’#444444′ custom_font=’#ffffff’]
[av_button label=’Where to Buy’ link=’page,471′ link_target=” size=’small’ position=’right’ icon_select=’yes-right-icon’ icon_hover=’aviaTBicon_hover’ icon=’ue832′ font=’entypo-fontello’ color=’dark’ custom_bg=’#444444′ custom_font=’#ffffff’]
Compare -
WiFi 802.11n / Bluetooth® 5.2 Combi Module – LM833
£100.00Read moreThe LM833 module incorporates an intelligent coexistance mechanism for WiFi 802.11 b/g/n via SDIO and Dual Mode Bluetooth® v5.2
via UART. This is ideal for significantly minimising the BoM cost and PCB space. The LM833 adds updated Bluetooth capabilities, WPA3, DPP for Wi-Fi Easy Connect, enhanced Soft AP and shared SDIO host interface for Wi-Fi + Bluetooth.[av_button label=’Datasheet’ link=’manually,https://www.lm-technologies.com/lm_downloads/LM833_DATASHEET.pdf’ link_target=’_blank’ size=’small’ position=’left’ icon_select=’yes-right-icon’ icon_hover=’aviaTBicon_hover’ icon=’ue832′ font=’entypo-fontello’ color=’dark’ custom_bg=’#444444′ custom_font=’#ffffff’]
[av_button label=’Where to Buy’ link=’page,471′ link_target=” size=’small’ position=’right’ icon_select=’yes-right-icon’ icon_hover=’aviaTBicon_hover’ icon=’ue832′ font=’entypo-fontello’ color=’dark’ custom_bg=’#444444′ custom_font=’#ffffff’]
Compare