se2550bl 2.4 ghz low power front end module preliminary applications ? portable wlan ? cell phones, pda?s ? dsss 2.4 ghz wlan (ieee802.11b) ? ofdm 2.4 ghz wlan (ieee802.11g) features ? includes: pa, 50 ohm matching, power detector, harmonic filter and spdt switch. ? 802.11g output power ? + 17 dbm, evm = 3.0 %, i cc = 125 ma ? 802.11b output power ? + 19 dbm, acpr = -40 dbr, i cc = 150 ma ? 28 db gain ? robust, selectable slope, power detector with ~1.5 db variation over 2:1 mismatch ? integrated power amplifier enable pin (v en ) ? single supply voltage: 2.7 v to 3.6 v ? lead free and rohs compliant ? small, lead free package, 18 pin 4 mm x 4.5 mm x 0.6 mm qfn, msl3 ordering information type package remark se2550bl 18-qfn samples se2550bl-r 18-qfn tape and reel SE2550BL-EK1 evaluation kit standard product description the se2550bl is a 2.4 ghz front end module designed for use in the 2.4 ghz ism band for portable wireless lan applications. the device offers high efficiency at the required output powers to ensure longer battery life for cellphone, pda and other portable applications. the se2550bl is highly integrated, allowing for a smaller footprint and simple design. the device includes a power amplifier, digital enable control for device on/off control, t/r sw itch, harmonic filter and 50 ohm matching on all i/o. with the digital enable control, the device can be directly connected to a cmos baseband or transceiver. the se2550bl temperature compensated power detector has two selectable power detectors slopes, positive and negative. this allows easy use with multiple chipsets. the detector is also highly immune to mismatch at its output with less than 1.5 db of variation with a 2:1 mismatch. functional block diagram v c c 0 v d e t out ant rf i n v c c 1 v c c 2 stage 2 stage 1 stage 3 bias generator detector (with switch) v e n 50 ohm mat c h v c c 3 filtering rx o u t spdt c1 c2 slope sel figure 1: se2550bl functional block diagram 65-dst-01 ? rev 1.3 ? may-26-2009 1 of 2 qa040506
se2550bl 2.4 ghz low power front end module preliminary 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 p atents 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 65-dst-01 ? rev 1.3 ? may-26-2009 2 of 2 qa040506
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