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CC8531

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用于无线数字音频流的 PurePath™ 无线 2.4GHz，最多支持 3 个通道，带 USB

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The PurePath™ Wireless platform is a cost-effective and low-power solution optimized for wireless transmission of high-quality digital audio.

The CC85xx includes a robust built-in wireless audio transmission protocol and can control selected external audio devices. Utilizing numerous coexistence mechanisms allows the CC85xx to avoid interfering with, or being interfered by other 2.4 GHz radio systems.

The CC85xx operates autonomously, and can be used with or without an external MCU. An external host processor can be connected through SPI and control some aspects of its operation. The CC85xx interfaces easily with other TI audio ICs and DSPs (using I2S and DSP/TDM interfaces). More details can be found in the CC85xx Family User Guide.

Built-in Audio Protoco
- CD-Quality Uncompressed Audio
- Excellent Robustness and Co-Existence Through Multiple Techniques
  - Adaptive Frequency Hopping
  - Forward ErrorCorrection
  - Buffering and Retransmission
  - Error Concealment
  - Optional High Quality Audio Compression
- No Software Development Needed When Used in Autonomous Mode
External System
- Can be Used Autonomously, or can be Controlled by an
  External Host MCU for Greatest Flexibility
- Seamless Connection and Control of External Audio Codecs, DACs/ADCs and Digital Audio Amplifiers
  Using I²S and I²C
- HID Functions Like Power Control, Pairing, Volume Control,
  Audio Channel Selection eand so on. Can be Mapped to I/Os
- RoHS Compliant 6 mm x 6 mm QFN-40 Package
RF Section
- 5 or 2 Mbps Over-the-Air Data Rate
- Bandwidth-Efficient Modulation Format
- Excellent Link budget with Programmable Output Power
  up to +3.5 dBm and –83 or –86 dBm Sensitivity
- Seamless Support for CC2590 Range Extender (+11 dBm Output Power,
  –87 dBm Sensitivity)
- Suited for Systems Targeting Compliance with Worldwide
  Radio Frequency Regulations: ETSI EN 300 328 and EN 300 440 class 2
  (Europe)FCC CFR47 Part 15 (US) and ARIB STD-T66 (Japan)
Digital Audio Support
- Digital I²S Audio Interface Supports 1 or 2
  Audio Channels for the CC8520 and 1 to 4 Audio Channels for
  the CC8530 at Sample Rates of 32, 40.275, 44.1 and 48 kHz, and Supports 16 and 24 bit Word-Widths
- Digital I²S Audio Interface Supports 1 or 2 Audio Channels
  for the CC8520 and 1 to 4 Audio Channels for the CC8530 at Sample Rates
  of 32, 40.275, 44.1 and 48 kHz, and Supports 16 and 24 bit Word-Widths
- Audio Latency Down to 10.7 ms
- Data Side-Channel Allows Data to be Sent Alongside the Audio
  Between External Host Processors
USB
- Full-Speed USB Audio Device
- USB Basic Audio Device Class: HT1, HS1 and MT topologies
  (Headphone, Headset and Microphone)
- USB Audio Device Class
- Basic USB HID Device Class Support for Remote Control, Mouse
  and Keyboard Functionality
- Autonomous Operation Only
Development Tools
- PC-Based PurePath™ Wireless Configurator for CC85xx Configuration
- CC85xx Family User Guide
- CC85XXDK Audio Development Kit
- CC85XXDK-HEADSET Development Kit

Frequency range	2400 MHz
Standard	PurePath Wireless Audio
Operating temperature range (°C)	-40 to 85
Rating	Catalog
Transmission principle	GFSK, MSK

VQFN (RHA)

36 mm² 6 x 6

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CC8531

用于无线数字音频流的 PurePath™ 无线 2.4GHz，最多支持 3 个通道，带 USB

4000-306-326