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List of Contents
1 Introduction
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2 Key Features
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3 Applications
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4 Block Diagram
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5 General specifications
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6 Module Package Information
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6.1 Pinout Diagram and package dimensions
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6.2 Module Pin descriptions
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7 Electrical Characteristics
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7.1 Absolute Maximum Ratings
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7.2 Recommended Operating Conditions
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8 Recommended reflow temperature profile
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1 Introduction
Sky Jiarun Technologies
introduces the pioneer of the Bluetooth
5.0 modules SJR-BTM875-B which is a high performance, cost effective, low power
and compact solution. The Bluetooth module provides a complete 2.4GHz
Bluetooth system based on the CSR8675 BGA chipset which is a single
chip radio and baseband IC for Bluetooth 2.4GHz systems,. This module is fully
qualified single-chip dual mode Bluetooth@v5.0 system.
2 Key Features
Bluetooth Profiles
Bluetooth v5.0 specification support
Qualcomm® Bluetooth® Low Energy secure connection
A2DP v1.3.1
AVRCP v1.6
HFP v1.7
HSP v1.2
MAP v1.1
PBAP v1.1.1
DID v1.1
QTIL's proximity pairing and QTIL's proximity connection
Music Enhancements
aptX, aptX Low Latency, SBC, and AAC audio codecs
Qualcomm TrueWireless™ Stereo (TWS), which allows two devices to be
configured as a stereo pair
Configurable Signal Detection to trigger events
1 bank of up to 10-stage Speaker Parametric EQ
6 banks of up to 5-stage User Parametric EQ for music enhancement
Qualcomm® meloD
™
Expansion audio processing: 3D stereo widening
Compander to compress or expand the dynamic range of the audio
Post Mastering to improve DAC fidelity
Dual I
²
S outputs with crossover
Additional Functionality
Support for multi-language programmable audio prompts
Multipoint support for A2DP connection to 2 A2DP sources for music playback
Talk-time extension, which automatically reduces processor functions to extend
use when a low battery condition is detected
Slim module with 15mm x 22mm x 2.5mm
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3 Applications
Stereo Headsets
Wired Stereo headsets and headphones
Portable Bluetooth Stereo speakers
4 Block Diagram
5 General specifications
Model Name
SJR-BTM875-B
Product Description
Bluetooth 5.0 Class2 Module
Bluetooth Standard
Bluetooth 5.0
Chipset
CSR8675 BGA
Dimension
15mm x 22mm x 2.5mm
Operating Conditions
Voltage
2.8~4.2V
Temperature
-10～+70℃
Storage Temperature
-40～+85℃
Electrical Specifications
Frequency Range
2402～2480MHz
Maximum RF Transmit Power
9dBm
π/4 DQPSK Receive Sensitivity
-91dBm
8DPSK Receive Sensitivity
-81dBm
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