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| SE4110L GPS Receiver IC Applications High sensitivity / low power GPS and A-GPS applications Portable navigation devices, mobile phones and GPS peripheral devices Telematics equipment Product Description The SE4110L is a highly integrated GPS receiver offering high performance and low-power operation in a wide range of low-cost applications. It is particularly well-suited to mobile phone and high sensitivity L1-band GPS and A-GPS systems. The SE4110L includes an on-chip LNA and a low IF receiver with a linear AGC and 2-bit analogue-to-digital converter (ADC). The receiver incorporates a fully integrated image reject mixer so no SAW filter is required in many applications. There is also an on-chip IF filter. The SE4110L supports a wide range of reference frequencies, addressing both traditional GPS systems and emerging mobile phone applications. The synthesizer is highly integrated requiring only two passive components to implement an off-chip loop filter. The SE4110L is optimized for the lowest possible power consumption consistent with the very low external component count. The SE4110L incorporates current-controlled lowspurious output buffers which may optionally be run from a separate external supply to interface to low voltage systems. The buffers supply sufficient current to drive most baseband devices directly. Features Single-conversion L1-band GPS radio with integrated IF filter Integrated LNA; 1.6 dB typ. noise figure Low RF system noise figure; 2.3 dB typ. Low 10 mA operating current with 2.7-3.3 V supply; 8 mA with internal LNA disabled Standby current <10 A Fully Integrated PLL, compatible with 13, 16.368, 19.5 and 26 MHz reference frequencies 2-bit SIGN & MAG Digital IF output Integrated VCO and resonator I/O supply range extends down to 1.7 V 4 x 4 mm 24 pin QFN Pb-free, RoHS compliant and Halogen-free Ordering Information Part No. SE4110L-R Package 24 Pin QFN Remark Shipped in Tape & Reel Functional Block Diagram Optional filter LNA_OUT MIX_IN VAGC IF Filter AGC Controller -45 AGC_DIS Buffer LNA ~ ~ ~ I Q MAG ADC SIGN +45 LNA_IN Clock select Quadrature /2 VCO Feedback Divider CLK_OUT FREF2 FREF1 SE4110 ~ Phase/Frequency Detector Reference Divider Chip control FREF0 RX_EN OSC_EN ~ VTUNE PLL Loop Filter Reference Oscillator / Buffer RVI XTAL1 XTAL2 DST-00002 Rev 6.4 May-26-2009 1 of 2 SE4110L GPS Receiver IC http://www.sige.com Email: sales@sige.com Customer Service Locations: North America: 1050 Morrison Drive, Suite 100 Ottawa ON K2H 8K7 Canada Phone: +1 613 820 9244 Fax: +1 613 820 4933 Hong Kong Phone: +852 3428 7222 Fax: +852 3579 5450 San Diego 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 Semiconductor, Inc. reserves the right to change information at any time without notification. Preliminary Information The datasheet contains information from the design target specification. SiGe Semiconductor, Inc. reserves the right 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. assumes 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 under any patent or other intellectual property rights of SiGe Semiconductor, Inc. or third parties. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SiGe Semiconductor, Inc. products are NOT authorized 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-00002 Rev 6.4 May-26-2009 2 of 2 |
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