skyworks solutions, inc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworksinc.com ? w ww.skyworksinc.com 202410d ? skyworks proprietary information ? products and product informatio n are subject to change without notice ? june 3 , 2013 1 data sheet SE2431L : 2.4 ghz zigbee ? /802.15.4 front - end module applications ? smart meters ? in - home appliances ? smart thermostats features ? integrated: C pa with up to +24 dbm output power C lna with programmable bypass C antenna switching with tx and rx diversity fu nction ? t ypical l ow nf : 2 db ? single - ended 50 tx / rx rf interface ? fast switch on/off time <1 s ? supply operation: 2.0 v to 3.6 v ? sleep mode current : 0.05 a typical ? small qfn (24 - pin, 3.0 mm x 4.0 mm x 0.9 mm nickel - palladium - gold [ nipdau ] plated ) package ( msl1, 260c per jedec j - std - 020) figure 1. SE2431L block diagram description the SE2431L is a high - performance, fully integrated rf front - end module (fem) that is designed for zigbee ? /smart energy and 802.15.4 applications. the SE2431L is designed for ease of use and maximum flexibility, with f ully matched 50 input and output, integrated inter - stage matching and harmonic filter, and digital controls that are compatible with 1.6 v to 3.6 v complementary metal oxide semiconductor ( cmos ) levels. the rf blocks operate over a wide supply voltage range from 2.0 v to 3.6 v , which allows the SE2431L to be used in battery - powered applications over a wide spectrum of the battery discharge curve. a functional block diagram is shown in figure 1. the pin configuration and package are shown in figure 2. signal pin assignme nts and functional pin descriptions are provided in table 1.
data sheet ? se243 1l 2.4 ghz zigbee/802.1 5.4 front - end module skyworks solutions, inc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com 2 june 3 , 2013 ? skyworks proprietary information ? products and product infor matio n are subject to change without notice ? 202410d figure 2. SE2431L pinout (top view) table 1. SE2431L signal descriptions pin # name description pin # name description 1 b2 connect through the bias resistor to p in 23. 13 ant2 connect to 50 w antenna . 2 b1 connect through the bias resistor to pin 23 . 14 gnd connect to pcb ground 3 nc not connected internally to the device . 15 ant1 connect to 50 w antenna . 4 nc not connected internally to the device . 16 ant_se l connect to the gpio signal to control the antenna switch (see the logic controls t able) 5 nc not connected internally to the device . 17 nc not connected internally to the device . 6 t/r transmit/receive port from/to transceiver, single - ended 50 w . 18 gnd connect to pcb ground 7 nc not connected internally to the device . 19 vcc2 connect to positive supply 8 nc not connected internally to the device . 20 csd connect to the gpio signal to control the SE2431L modes (see the logic c ontrols t able) 9 gnd connect to pcb ground . 21 cps connect to the gpio signal to control the SE2431L modes (see the logic c ontrols t able) 10 gnd connect to pcb ground . 22 vcc1 connect to positive supply 11 gnd connect to pcb ground . 23 bout connect to pin s 1 and 2 through the bias resistors 12 gnd connect to pcb ground . 24 ctx connect to the gpio signal to control the SE2431L modes (see the logic c ontrols t able) 1 2 3 4 19 18 17 16 nc nc 5 nc 15 24 22 21 20 6 14 tr 7 nc 13 nc ant_sel gnd vcc2 ant1 gnd ant2 b2 b1 8 9 10 11 12 gnd nc gnd gnd gnd bout ctx vcc1 cps csd 23
data sheet ? se243 1l 2.4 ghz zigbee/802.1 5.4 front - end module skyworks solutions, inc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com 202410d ? skyworks proprietary information ? products and product infor matio n are subject to change without notice ? june 3 , 2013 3 table 2. SE2431L absolute maximum ratings parameter symbol minimum maximum units supply voltage 1 v cc 1 C 0 .3 3.6 v supply voltage 2 v cc 2 C 0.3 3.6 v control pin voltages C 0.3 3.6 v operating temperature t op C 40 85 c storage temperature t st g C 40 125 c tx output power at ant1 or ant2 port into 50 w load p out _t x _ max + 24 dbm tx input power at tr port p in _ t x _ max +6 dbm rx input power at ant1 or ant2 ports p in _ r x _ max +5 dbm thermal resistance 2 jc 40 c /w electrostatic d ischarge: all pins : human body model ( hbm ) , class 1c esd 1000 v note: exposure to maximum rating conditi ons for extended periods may reduce device reliability. there is no damage to device with only one parameter set at the limit and all other parameters set at or below their nominal value. exceeding any of the limits listed here may result in permanent dama ge to the device. caution : although this device is designed to be as robust as possible, electrostatic discharge (esd) can damage this device. this devi ce must be protected at all times from esd. static charges may easily produce potentials of several ki lovolts on the human body or equipment, which can discharge without detection. industry - standard esd precautio ns should be used at all times. table 3. recommended operating conditions parameter symbol minimum typical maximum units ambient temperature t a C 40 +25 +85 c supply voltage on vcc pins v cc 1 2 .0 3.0 3 . 6 v supply voltage on vcc pins v cc 2 2 .0 3.0 3.6 v electrical and mechanical specifications the absolute maximum ratings of the SE2431L are provided in table 2. the recommended operating condition s are specified in table 3 , and electrical specifications are provided in table s 4 through 7 . the state of the SE2431L is determined by the logic provided in table 8 .
data sheet ? se243 1l 2.4 ghz zigbee/802.1 5.4 front - end module skyworks solutions, inc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com 4 june 3 , 2013 ? skyworks proprietary information ? products and product infor matio n are subject to change without notice ? 202410d table 4. SE2431L electrical specifications : dc (note 1) ( vcc = 3 v, t a = +25 c, as measured on skyworks SE2431L - ek1 evaluation board [ d e - e mbedded to the device ], unless otherwise note d) parameter symbol test condition min typical max units total supply current i cc _ t x 20 tx mode p out = +20 dbm 115 ma total supply current i cc _ t x 17 tx m ode p out = +17 dbm 90 ma total supply current i cc _ t x 10 tx mode p out = +10 dbm 50 ma quiescent current i cq _ t x no rf 30 ma total supply current i cc _ r x rx mode 5 7 ma total supply current i cc _ rxb ypass rx bypass mode 300 a sleep supply current i cc _ off no rf 0.05 1.0 a note 1: performance is guaranteed only under the conditions listed in the above table . table 5. SE2431L electrical specifications : logic characteristics (note 1) ( vcc = 3 v, t a = +25 c, as measured on skyworks SE2431L - ek1 eval uation board [de - e mbedded to the device] , unless otherwise noted ) parameter symbol test condition min typical max units logic input high voltage v ih 1.6 3.6 v logic input low voltage v il 0 0.3 v logic input high current i ih 1 a logic input low current i il 1 a note 1: performance is guaranteed only under the conditions listed in the above table .
data sheet ? se243 1l 2.4 ghz zigbee/802.1 5.4 front - end module skyworks solutions, inc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com 202410d ? skyworks proprietary information ? products and product infor matio n are subject to change without notice ? june 3 , 2013 5 table 6. SE2431L electrical specifications: ac characteristics (note 1) ( vcc = 3 v, t a = +25 c, as measured on skyworks SE2431L - ek1 evaluation board [de - e mbedded to the device] , all unused ports terminated with 50 8 , unless otherwise noted ) parameter symbol test condition min typical max units transmit (tx) frequency range f in 2400 2483 mhz output power at ant1 or ant2 ports (notes 2 , 3 ) p ou t vcc = + 3.6 v vcc = + 3.3 v vcc = + 3.0 v vcc = + 2.7 v vcc = + 2.0 v + 24.0 + 22.5 + 21.0 + 20.5 + 17.0 dbm small signal gain s 21 2400 mhz to 2483 mhz 19 22 25 db small signal gain variation (note 2 ) s 21 gain variation across all zigbee channels 1 dbp - p harmonics (notes 2, 4 ) h d2 , h d3 p out = +20 dbm C 10 C 42 dbm/mhz output return loss (note 2 ) s 22_ant at ant1 or ant2 ports C 10 C 5 db input return loss (note 2 ) s 11 at tr port , tx mode C 5 db spectral mask (notes 2, 5 ) acp C 30 dbm rise and fall time s t r (note 6 ) t f (note 7 ) 800 ns stability s tab cw, p in = 0 dbm 0.1 ghz to 20.0 ghz load vswr = 6:1 all non - harmonically related output s < C 42.0 db m / m hz ruggedness r u cw, p in = +6 dbm, load vswr = 10:1 no permanent damage receive (rx) frequency ra nge f in 2400 2483 mhz receive gain (note 2 ) rx_ gain 10.0 12.5 15.0 db receive noise figure (note 2 ) nf 2 .0 2.5 db 3 rd o rder i nput i ntercept point (note 2 ) iip3 C 3 + 2 dbm 1 db input compression poi nt (note 2 ) ip1db C 13 C 8 dbm antenna port retu rn loss (note 2 ) s 11_ant C 10 C 5 db output return loss (note 2 ) s 22 at tr port, rx mode ? 10 ? 5 db rise and fall times t r (note 6 ) t f (note 7 ) 800 ns interferer amplitude (maximum 2.4 ghz) g_ bp C 3 C 2 db 1 db input compression point ip1db + 10 dbm note 1: performance is guaranteed only under the conditions listed in the above table . note 2 : 2400 mhz to 2483 mhz . note 3 : offset evm = 1% typical . note 4 : ieee 802.15.4 source. note 5 : integrated power from the band edges to fc 3.5 mhz. note 6 : from 50% of the ctx edge to 90% of the final rf output power. note 7 : from 50% of the ctx edge to 10% of the final rf output power.
data sheet ? se243 1l 2.4 ghz zigbee/802.1 5.4 front - end module skyworks solutions, inc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com 6 june 3 , 2013 ? skyworks proprietary information ? products and product infor matio n are subject to change without notice ? 202410d table 7. SE2431L electrical specifications: ac characteristics, diversity antenna function (note 1) (v cc1 = vcc2 = 3 v, t a = +25 c, as measured on skyworks se2432l - ek1 evaluation board [de - e mbedded to the device], all unused ports terminated with 50 , unless otherwise noted ) parameter symbol min typical max units isolation between ant1 and ant2 ports isol antsw C 20 db antenna 1 to antenna 2 switching time t ant1 - ant2 400 ns note 1: performance is guaranteed only under the conditions listed in the above table . unused antenna port should be connected to 50 w . table 8. SE2431L l ogic controls (note 1) (v cc = 3 v, t a = +25 c, unless otherwise noted) mode description cps csd ctx ant_sel 0 all off (sleep mode) (note 2 ) 0 0 0 x 1 rx b ypass mode 0 1 0 x 2 rx lna mode 1 1 0 x 3 tx mode x 1 1 x ant1 port enabled x 1 x 0 ant2 port enabled x 1 x 1 note 1: the l ogic 0 and 1 levels are compliant to v il and v i h , respectively, as specified in the logic characteristics table . note 2: all controls must be at logic 0 to achieve the specified sleep current . package dimensions the pcb layout footprint for the SE2431L is p rovided in figure 3 . a typical part marking diagram is shown in figure 4 . package dimensions are shown in figure 5 , and tape and reel dimensions are provided in figure 6 . package and handling information instructions on the shipping container label regardi ng exposure to moisture after the container seal is broken must be followed. otherwise, problems related to moisture absorption may occur when the part is subjected to high temperatures during solder assembly. the SE2431L is rated to moisture sensitivity l evel 1 (msl1) at 260 c, and can be used for lead or lead - free soldering. for additional information, refer to the skyworks application note, solder reflow information , document number 200164. care must be taken when attaching this product, whether it is d one manually or in a production solder reflow environment. production quantities of this product are shipped in a standard tape and reel format.
data sheet ? se243 1l 2.4 ghz zigbee/802.1 5.4 front - end module skyworks solutions, inc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com 202410d ? skyworks proprietary information ? products and product infor matio n are subject to change without notice ? june 3 , 2013 7 12 11 10 9 8 18 17 16 4 15 12 5 6 2 3 14 11 10 9 8 19 1 7 13 18 17 16 4 15 20 5 6 2 3 14 21 22 23 24 19 1 7 13 12 11 10 9 8 18 17 16 4 15 20 5 6 2 3 14 21 22 23 24 19 1 7 13 20 21 22 23 24 figure 3 . pcb layout footprint
data sheet ? se243 1l 2.4 ghz zigbee/802.1 5.4 front - end module skyworks solutions, inc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com 8 june 3 , 2013 ? skyworks proprietary information ? products and product infor matio n are subject to change without notice ? 202410d figure 4. SE2431L typical part marking bottom view 18 23 2 9 17 3 16 4 15 5 22 10 21 11 12 20 24 8 14 6 13 7 19 1 18 23 2 9 17 3 16 4 15 5 22 10 21 11 12 20 24 8 14 6 13 7 19 1 top view figure 5. SE2431L package dime nsions
data sheet ? se243 1l 2.4 ghz zigbee/802.1 5.4 front - end module skyworks solutions, inc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com 202410d ? skyworks proprietary information ? products and product infor matio n are subject to change without notice ? june 3 , 2013 9 figure 6. SE2431L - r tape and reel dimensions
data sheet ? se243 1l 2.4 ghz zigbee/802.1 5.4 front - end module skyworks solutions, inc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com 10 june 3 , 2013 ? skyworks proprietary information ? products and product infor matio n are subject to change without notice ? 202410d ordering information model name manufacturing part number evaluation board part number SE2431L: 2.4 ghz zigbee/802.15.4 front - end module SE2431L SE2431L - e k1 copyright ? 2012, 2013 skyworks solutions, inc. all rights reserved. information in this document is provided in connection with skyworks solutions, inc. (skyworks) products or services. these materials, including the information contained herein, are provided by skywork s as a service to its customers and may be used for informational purposes only by the customer. skyworks assumes no responsi bility for errors or omissions in these materials or the information contained herein. skyworks may change its documentation, produ cts, services, specifications or product descriptions at any time, without notice. skyworks makes no commitment to update the materials or information and shall have no responsibility whatsoever for conflicts, incompatibilities, or other di fficulties arisi ng from any future changes. no license, whether express, implied, by estoppel or otherwise, is granted to any intellectual property rights by this docume nt. skyworks assumes no liability for any materials, products or information provided hereunder, includ ing the sale, distribution, reproduction or use of skyworks products, information or materials, except as may be provided in skyworks terms and conditions of sale. the materials, products and information are provided as is without warranty of any kind, w hether express, implied, statutory, or otherwise, including fitness for a particular purpose or use, merchantability, performance, quality or non - infringement of any intellectual property right; all such warranties are hereby expressly disclaimed. skyworks does not warrant the accuracy or completeness of the information, text, graphics or other items contained within these materi als. skyworks shall not be liable for any damages, including but not limited to any special, indirect, incidental, statutory, or c onsequential damages, including without limitation, lost revenues or lost profits that may result from the use of the materials or information, whether or not the recipient of m aterials has been advised of the possibility of such damage. skyworks products are not intended for use in medical, lifesaving or life - sustaining applications, or other equipment in which the failure of the skyworks products could lead to personal injury, death, physical or environmental damage. skyworks customers using or selling skyworks products for use in such applications d o so at their own risk and agree to fully indemnify skyworks for a ny damages resulting from such improper use or sale. customers are responsible for their products and applications using skyworks products, which may deviate from published speci fications as a result of design defects, errors, or operation of products outs ide of published parameters or design specifications. customers should include design and operating safeguards to minimize th ese and other risks. skyworks assumes no liability for applications assistance, customer product design, or damage to any equipment resulting from the use of skyworks products outside of stated published specifications or parameters. skyworks, the skyworks symbol, and breakthrough simplicity are trademarks or registered trademarks of skyworks solutions, i nc., in the united states an d other countries. third - party brands and names are for identification purposes only, and are the property of their respective owners. additional information, incl uding relevant terms and conditions, posted at www.skyworksinc.com, are incorporated by refer ence.
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