SE4100L gps receiver ic applications ? mobile phone & pda accessories ? portable navigation and personal security ? security systems ? asset tracking ? telematics equipment features ? 35mw typical power consumption ? single conversion radio with integrated if filters ? on-chip, gain switchable lna ? low lna noise figure, 1.9 db typ. ? on chip crystal oscillator can be powered up independently ? fully integrated vco, resonator and pll ? remote antenna current detection ? 4x4 mm 24 pin qfn - pb free and rohs compliant package ordering information type package remark SE4100L-r 24 pin qfn shipped in tape & reel product description the SE4100L is an integrated gps receiver designed to receive the l1 signal at 1575.420 mhz. the receiver has a low if architecture and integrates all of the amplifier, oscillator, mixer and if sampling functions. the high level of integration reduces the external component count to just 14 passives in addition to power supply de-coupling and a 16.368 mhz crystal. furthermore, elimination of the need for an external vco resonator and rf filter reduces the critical off-chip rf circuitry to just three matching components to achieve optimum noise match at the lna input. combined with the 4x4 mm lpcc package, this results in a very small circuit footprint with no need for electrical screening in many applications. the SE4100L?s small size and bom requirement is complemented by just 35 mw typical operating power consumption. digitally controlled shutdown modes enable the 16.368 mhz clock signal to the baseband processor to be maintained separately from operation of the rest of the receiver. a switchable gain lna enables the SE4100L to be used with either a local passive antenna or with a remote active antenna without changing the circuit configuration. an image reje ct mixer downconverts the rf signal to a 4.092 mhz if. the integrated if filter feeds a combiner, limiter and output latch. the output signal is a 1-bit quantized 4.092 mhz digital if. functional block diagram ~ phase det. ~ ~ ~ 96 quadrature 2 iq +45 / -45 ~ q clk d mixin lnaout lnain lna xtal1 xtal2 oscenb xtal oscillator rxenb vco clkout dataout phase shift / combiner d-type if filter mixers rf amp vtune antdetp antdetn antok ant current monitor lowgain 27-dst-02 ? rev 2.4 ? may-26-2009 1 of 2
SE4100L gps receiver ic 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 27-dst-02 ? rev 2.4 ? may-26-2009 2 of 2
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