TI Home > Wireless Connectivity > CC8520: PurePath™ Wireless Audio

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PurePath™ Wireless Audio

The complete wireless digital audio streaming solution from TI.

TI's family of PurePath™ Wireless audio products features
2.4 GHz audio ICs that transmit uncompressed CD-quality wireless audio over a rock solid RF (radio frequency) link, with error-free, lossless transmission. The solutions target consumer, portable and high-end audio applications, such as wireless headphones, headsets and speakers.

CC85xx key benefits:

• Uncompressed CD-quality wireless audio
• Rock solid 16-bit 44.1/48kHz RF link
• Multichannel and multipoint capabilities: streaming of up to four simultaneous channels
• USB support
• Best-in-class coexistence with Bluetooth®, WLAN and other 2.4 GHz devices
• Easy-to-use designer's PC software tool
• Works out of the box with selected TI audio devices

The CC8520 (two-channel) and CC8530 (four-channel) system-on-chips (SoC) are complete integrated solutions with RF protocol, microcontroller, audio codec setup support, application designs and free PurePath Configurator PC software tool. Additionally, the CC8521 and CC8531 SoCs contain USB audio support for all major operating systems.

TI's PurePath Wireless headset reference design is the market's most cost-effective design for high quality headsets and headphones. The design has a low electronic bill-of-material cost and achieves a 22-hour life on a 465 mAh battery – a 100 percent increase as compared to currently available headsets.

The PurePath Wireless CC8521 and CC8531 USB dongle reference design allow developers to design low-cost, small USB dongles for wireless audio applications, without code development or in-depth understanding of USB protocols.

	CC8530	CC8531	CC8520	CC8521
Number of audio channels	4		2
USB support	-	√	-	√
Audio quality	44.1/48kHz, 16 bits, uncompressed
Audio latency	configurable, <20ms
Link range CC85xx	30m+ line-of-sight / 10m+ indoors*
Link range CC85xx+CC2590 range extender	130m+ line-of-sight /  20m+ indoors*
Link robustness	Adaptive frequency hopping and adaptive listen-before-talk in 2.4GHz band ensures excellent coexistence with 802.11b, g, n and other interference sources**
Bill of material	Can run autonomously or with external MCU
Development environment	Free PurePath Wireless Configurator PC tool
Samples	CC8531 CC8530		CC8521 CC8520
Development Kits	CC85xxDK CC85XXDK-HEADSET

*See application note AN089 Real World Range Testing Using CC85xx
** See CC85XX Family User Guide

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