CSR8670C-IBBH-R – Bluetooth v4.0 Audio IC with Flash Memory – Qualcomm

Optimize your wireless audio solutions with the Qualcomm CSR8670C-IBBH-R, a highly integrated Bluetooth v4.0 IC combining RF transceiver, MCU, and onboard flash memory. Engineered for superior audio performance and low-power operation, this surface-mount module delivers robust connectivity for embedded wireless applications. PCX guarantees authentic Qualcomm components with same-day shipping and dedicated technical support.

Key Features

• Bluetooth v4.0 Protocol with 2.4GHz frequency support
• Integrated 16MB Flash + 56kB RAM for firmware storage and processing
• 10dBm TX Power & -90dBm Sensitivity for reliable RF range
• Multi-Interface Support: I²C, I²S, SPI, UART, USB
• Ultra-Low 3.3V Operation for energy-efficient designs
• 14 GPIO Pins for flexible peripheral control

Technical Specifications

Housed in a compact 112-VFBGA package (6.5×6.5mm), this TxRx + MCU IC features Qualcomm’s BlueCore® CSR8670™ architecture. It supports Bluetooth v4.0 specifications including EDR and aptX® audio coding for high-fidelity transmission. The integrated flash memory simplifies firmware updates, while industrial-grade temperature tolerance ensures stability across environments.

Typical Applications

• Wireless headsets and premium audio headphones
• Bluetooth speakers and soundbars
• Voice-controlled IoT devices and smart home hubs
• Automotive infotainment systems
• Fitness trackers and wearable audio devices

About Qualcomm

Qualcomm Technologies leads the global semiconductor industry with innovations in wireless communications and mobile computing. Their BlueCore® Bluetooth solutions set industry benchmarks for audio quality, power efficiency, and integration density.

With over three decades of expertise, Qualcomm holds foundational patents in CDMA and OFDMA technologies. Their commitment to R&D ensures cutting-edge RF performance and ecosystem compatibility, making their ICs preferred for mission-critical designs worldwide.

About Bluetooth RF Transceiver ICs

Bluetooth RF transceiver ICs integrate radio frequency, baseband processing, and protocol stacks into single-chip solutions. They enable short-range wireless communication between devices, handling data modulation/demodulation, frequency hopping, and packet management.

Modern transceivers like the CSR8670 series include application processors and memory, reducing external component counts. These ICs are vital for audio streaming, device synchronization, and low-energy sensor networks across consumer electronics, medical devices, and industrial automation.

Packaging Options

Available in Tape & Reel (TR), Cut Tape (CT), and Digi-Reel® formats for automated assembly. Contact PCX for reel quantities and custom kitting.

FAQs

Q: Does this IC support Bluetooth Low Energy (BLE)?
A: No, the CSR8670C implements Bluetooth v4.0 Classic (BR/EDR) protocols without BLE support.

Q: What audio codecs are compatible?
A: It supports SBC, AAC, aptX®, and aptX® Low Latency for high-quality audio streaming.

Q: Is external memory required?
A: No, the integrated 16MB flash stores firmware and profiles, minimizing BOM costs.

Q: Can I develop custom firmware?
A: Yes, using Qualcomm’s ADK development tools available through their partner program.

Q: Why is it marked “Not For New Designs”?
A: Qualcomm has newer alternatives available; this IC remains ideal for existing product maintenance.

Q: What antenna configuration is recommended?
A: Use a 50Ω impedance PCB trace or chip antenna with matching network per Qualcomm’s reference designs.

⚠️ Disclaimer: Product images are representational. Refer to datasheet for exact specifications.
Download Datasheet (Hosted on PCXCo.com)

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Streamline your Bluetooth audio development with guaranteed authentic Qualcomm ICs. PCX provides real-time inventory visibility, dedicated support, and lightning-fast shipping. Get your CSR8670C-IBBH-R now to keep your project on schedule!