AR9281-AL1A 创锐讯说明
 

Product Overview

Introducing the Atheros AR9281, the single-chip, single-band 2.4 GHz solution for PCIe in XSPAN's third generation of products. The AR9281 is the most integrated and most compact 802.11n solution for single-band PCIe on the market, featuring a half-Mini Card form factor that is 30% smaller than the nearest competitive 11n. This breakthrough product will drive the transition of legacy Wi-Fi to 802.11n in the mainstreampriced PC market. It offers the optimal balance of performance, power and price with its single-band, 1x2 MIMO configuration which features downshift to 1x1 MIMO with Dynamic MIMO Power Save. The AR9281 follows in Atheros' drive towards integration – and is the eighth singlechip client solution to be introduced.

Solution Highlights

• Single-chip, 802.11n compliant wireless LAN client solution with integrated MAC, baseband and 2.4 GHz radios
• Based on third-generation 802.11n compliant technology
• Support for 1x2 MIMO
• Conserves power with 1x1 downshift using Dynamic MIMO Power Save
• Enables PHY rate of up to 300 Mbps on downlink
• Compliant with IEEE 802.11b, 802.11g, 802.11d, 802.11e, 802.11i, and 802.11n
• Lead-free RoHS compliant

全球整合度最佳、体积最袖珍的802.11n单芯片 (Single-Chip 802.11n)解决方案。全新的双频AR9280与单频AR9281 PCI Express(PCIe)的设计，如今成为Atheros XSPAN系列的一份子，该系列为全世界最广获采用的draft 802.11n Wi-Fi技术。两项产品都是为了满足个人电脑原厂设计厂商(OEM)要求在主流的消费性与商用笔记本型电脑平台上，推出802.11n所具的优异性能优点而特别设计。

AR9280与AR9281将无线电 (radio)、基频 (baseband)/MAC和主机PCIe接口整合至单一芯片。这些新解决方案的特色，正是Atheros至今在硅芯片领域最具效率的WLAN无线电设计，并以10x10公厘的QFN封装，推出业界体积最袖珍的802.11n产品。如今提供PCIe半迷你和迷你卡适配卡板型的参考设计，并以较其它竞争厂商产品少上50%的零件数，达到系统整合上的新层面。半迷你适配卡为最小的PCIe板型，让个人电脑制造商获得强化的设计弹性，得以开发出超级袖珍的笔记本型电脑，或是另行嵌入具互补技术的迷你适配卡

 

 

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AR9281-AL1A 创锐讯 pdf datasheet