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| TI CC2590低功耗2.4GHz前端方案 | |||||
作者：TI 文章来源：TI 点击数： 更新时间：2008-10-9  |
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CC2590 is a cost-effective and high performance RF Front End for low-power and low-voltage 2.4-GHz wireless applications. CC2590 is a range extender for all existing and future 2.4-GHz low-power RF transceivers, transmitters and System-on-Chip products from Texas Instruments. CC2590 increases the link budget by providing a power amplifier for increased output power, and an LNA with low noise figure for improved receiver sensitivity. CC2590 provides a small size, high output power RF design with its 4x4-mm QFN-16 package. CC2590 contains PA, LNA, switches, RF-matching, and balun for simple design of high performance wireless applications. CC2590主要特性: Seamless Interface to 2.4-GHz Low Power RF Devices from Texas Instruments Up to +14-dBm (25mW) Output Power 6-dB Typical Improved Sensitivity on CC24xx and CC2500, CC2510, and CC2511 Few External Components Integrated Switches Integrated Matching Network Integrated Balun Integrated Inductors Integrated PA Integrated LNA Digital Control of LNA Gain by HGM Pin 100-nA in Power Down (EN = PAEN = 0) Low Transmit Current Consumption 22-mA at 3-V for +12-dBm, PAE = 23% Low Receive Current Consumption 3.4-mA for High Gain Mode 1.8-mA for Low Gain Mode 4.6-dB LNA Noise Figure, including T/R Switch and external antenna match RoHS Compliant 4×4-mm QFN-16 Package 2.0-V to 3.6-V Operation CC2590应用: All 2.4-GHz ISM Band Systems Wireless Sensor Networks Wireless Industrial Systems IEEE 802.15.4 and ZigBee Systems Wireless Consumer Systems Wireless Audio Systems  图1.CC2590方框图  图2.CC2590EM 评估模块  图3.CC2590 + CC24xx 应用电路  图4.CC2590+ CC2500, CC2510, 或CC2511 应用电路  图5.CC2590+ CC2520应用电路 详情请见: >http://focus.ti.com/lit/ds/symlink/cc2590.pdf |
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