se2547a dual band 802.11a/b/g/n wireless lan front end preliminary information applications ? ieee802.11b dsss wlan ? ieee802.11g ofdm wlan ? ieee802.11a ofdm wlan ? ieee802.11n wlan ? access points, pcmcia, pc cards features ? all rf ports matched to 50 ? ? integrated 2.4 ghz pa, 5 ghz pa, tx filter, t/r switches and diplexers ? integrated power detector for each tx chain ? 21 dbm o/p power, 802.11b, 11 mbits, acpr = 35 dbc ? 18 dbm @ 3.0 % evm, 802.11g, 54 mbits ? 16.5 dbm @ 3.0 % evm, 802.11a, 54 mbits ? single supply voltage: 3.3 v 10 % ? lead free, rohs compliant, halogen free ? thin lead free plated package, 5mm x 5mm x 1.0mm, lga package, msl 3 ordering information part no. package remark se2547a 32 pin lga samples se2547a-r 32 pin lga tape and reel SE2547A-EK1 n/a evaluation kit product description the se2547a is a complete 802.11a/b/g/n wlan rf front-end module providing all the functionality of the power amplifiers, filtering, power detector, diversity switch, diplexers and associated matching. the se2547a provides a complete 2.4 ghz and 5 ghz wlan rf solution from the output of the transceiver to the antenna in an ultra compact form factor. designed for ease of use, all rf ports are matched to 50 ? to simplify pcb layout and the interface to the transceiver rfic. the se2547a also includes a transmitter power detector for each band and transmit chain with 20 db of dynamic range for each transmit chain. each transmit chain has a separate digital enable control for transmitter power ramp on/off control. the power ramp rise/fall time is less than 0.7 sec. the device also provides a notch filter from 3.260- 3.267 ghz and 3.28-3.89 ghz prior to the input of each 2.4 ghz and 5 ghz power amplifiers, respectively. functional block diagram diplexer ant0 pdag rg ctx1 crx1 trap filter trap filter coupler power detector diplexer ra 2.4 ghz pa 5 ghz pa ena eng tg ta filter filter ant1 t/r switch ctx0 crx0 figure 1: se2547a functional block diagram dst-00094 ? rev 1.9 ? may-26-2009 1 of 2
se2547a dual band 802.11a/b/g/n wireless lan front end preliminary information http://www.sige.com email: sales@sige.com customer service locations: north america: hong kong 1050 morrison drive, suite 100 phone: +852 3428 7222 ottawa on k2h 8k7 canada fax: +852 3579 5450 phone: +1 613 820 9244 san diego fax: +1 613 820 4933 phone: +1 858 668 3541 (ext. 226) fax: +1 858 668 3546 united kingdom phone: +44 1279 464217 fax: +44 1279 464201 product preview the datasheet contains information from the product concept specification. sige semic onductor, inc. reserves the right to chang e information at any time without notification. preliminary information the datasheet contains information from the design target specification. sige semiconductor, inc. re serves the ri ght to change information at any time without notification. production testing may not include testing of all parameters. information furnished is believed to be accurate and reliable and is provided on an ?as is? basis. sige semiconductor, inc. as sumes no responsibility or liability for the direct or indirect consequences of use of such information nor for any infringement of patents or other rights of third parties, which may result from its use. no license or indemnity is granted by implication or otherwise u nder any patent or other intellectual property rights of sige semiconductor, inc. or third parties. specifications mentioned in this pu blication are subject to change without notice. this publication supersedes and replaces all in formation previously supplied. sige semiconductor, inc. products are not authori zed for use in implantation or life support applications or systems without express written approval from sige semiconductor, inc. copyright 2009 sige semiconductor, inc. all rights reserved dst-00094 ? rev 1.9 ? may-26-2009 2 of 2
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