Leadtek LR9101X Specification Sheet
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Leadtek LR9101X Specification Sheet

Gps module
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Revision History:
Revision History:
Revision
Revision
Release Date
Release Date
1.0
1.0
2008/10/06
2008/10/06
1.1
1.1
2008/12/25
2008/12/25
1.2
1.2
2009/03/17
2009/03/17
1.3
1.3
2009/09/15
2009/09/15
1.4
2009/09/30
ALL INFORMATION CONTAINED HEREIN IS THE SOLE PROPERTY OF LEADTEK RESEARCH AND CANNOT BE
DISSEMINATED WITHOUT THE EXPRESS WRITTEN CONSENT OF LEADTEK RESEARCH.
LEADTEK GPS MODULE
Specifications Sheet
Features:
SiRF StarIII low power single chipset
Compact module size for easy integration : 15 x 14 x 2.8 mm
Built-in high gain amplifier and bandpass filter
RoHS compliance
Issuer
Issuer
J. Lee
J. Lee
LR9101LR9101X
LR9101LR9101X
J. Lee
J. Lee
Modify the power consumption
Modify the power consumption
J. Lee
J. Lee
Upgrade to FW3.5 and add the RoHS soldering profile
Upgrade to FW3.5 and add the RoHS soldering profile
J. Lee
J. Lee
Modify the pin assignment
Modify the pin assignment
S. Liao
Modify the pin assignment
i
LR9101X
Change Description
Change Description

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Summary of Contents for Leadtek LR9101X

  • Page 1 J. Lee Modify the pin assignment Modify the pin assignment 2009/09/30 S. Liao Modify the pin assignment ALL INFORMATION CONTAINED HEREIN IS THE SOLE PROPERTY OF LEADTEK RESEARCH AND CANNOT BE DISSEMINATED WITHOUT THE EXPRESS WRITTEN CONSENT OF LEADTEK RESEARCH.
  • Page 2 LR9101X Specifications Sheet Rev. 1.3 1. Introduction The Leadtek LR9101X module is a high sensitivity, high gain, low power and very compact Surface Mount Device (SMD). This 20-channel global positioning system (GPS) receiver is designed for a broad spectrum of OEM applications and is based on the fast and deep GPS signal search capabilities of SiRFStarIII GSC3f/LPx architecture, consuming .
  • Page 3 Cost saving through elimination of RF and board to board digital connectors Flexible and cost effective hardware design for different application requirements Secure SMD PCB mounting method © 2009 Leadtek Research Inc. All rights reserved. Page 2/19 Leadtek Confidential - Information is subject to change without prior notice.

  • Page 4: Technical Specifications

    LR9101X Specifications Sheet Rev. 1.3 2. Technical specifications 2.1. Module architecture 9101X Block Diagram SiRF GSC3f/LPx 1.20 VDC regulator © 2009 Leadtek Research Inc. All rights reserved. Page 3/19 Leadtek Confidential - Information is subject to change without prior notice.

  • Page 5: Hardware Features

    SMT pads allow for fully automatic assembly processes equipment and reflow soldering RoHS compliant (lead-free) 2.3. Software Features The firmware used on Leadtek 9101X module is GSW3.5, the software for SiRFStarIII low power single chipset receivers and its features include: Excellent sensitivity...

  • Page 6: Mechanical Specification

    LR9101X Specifications Sheet Rev. 1.3 Protocol message GGA(1s), GSA(5s), GSV(5s), RMC(1s),VTG(1s) Output frequency 1 Hz 2.4. Mechanical specification The Physical dimensions of the Leadtek 9101X GPS Module are as follow: Items Description Length 15.0 ± 0.3 mm Width 14.0 ± 0.3 mm Height 2.80 ±...

  • Page 7: Environmental Specification

    LR9101X Specifications Sheet Rev. 1.3 2.5. Recommended GPS Antenna Specification This LR9101X receiver is designed for use with passive antenna. Parameter Specification Antenna Type Right-hand circular polarized passive antenna Frequency Range 1575.42 ± 1.023 MHz 2.6. Environmental Specification Item Description Operating temperature rang -30 deg.

  • Page 8: Reference Design

    All ground pads attach directly to ground plane by way of via. All components are reference only. Recommendation for the external antenna: antennas over 16dB. © 2009 Leadtek Research Inc. All rights reserved. Page 7/19 Leadtek Confidential - Information is subject to change without prior notice.

  • Page 9: Performance Characteristics

    100 ms (<10 s obstruction with valid almanac, position, time & ephemeris) Note 1: Open Sky and Stationary Environments. © 2009 Leadtek Research Inc. All rights reserved. Page 8/19 Leadtek Confidential - Information is subject to change without prior notice.

  • Page 10: Timing 1Pps Output

    3.6. Battery backup (SRAM/RTC backup) During ‘Powered down’ condition, the SRAM and RTC (Real Time Clock may be kept operation by supplying power from VBATT. The Leadtek 9101X GPS module can accept slow VBATT supply rise time (unlike many other SiRFstarII based receivers) due to an on-board voltage detector.

  • Page 11: Power Consumption

    Current (typ.) at full power (3.3V) 33mA Battery backup voltage 1.5~5.0 VDC 4.1. Power Consumption Status Power Consumption Acquisitioning 33 mA Tracking 33 mA © 2009 Leadtek Research Inc. All rights reserved. Page 10/19 Leadtek Confidential - Information is subject to change without prior notice.

  • Page 12: Specifications

    LR9101X Specifications Sheet Rev. 1.3 4.2. Specifications 4.2.1. Pin Positions © 2009 Leadtek Research Inc. All rights reserved. Page 11/19 Leadtek Confidential - Information is subject to change without prior notice.
  • Page 13 1 PPS time mark output. If not used, keep floating Not connected, keep floating GPS Status *Please refer to the diagram below. If not used, keep floating © 2009 Leadtek Research Inc. All rights reserved. Page 12/19 Leadtek Confidential - Information is subject to change without prior notice.

  • Page 14: Software Interface

    The actual course and speed relative to the ground. Table 5-2 NMEA-0183 Output messages 5.2. SiRF binary A complete description of each binary message is contained in the Leadtek SiRF Binary Protocol reference manual. © 2009 Leadtek Research Inc. All rights reserved.

  • Page 15: Outline Drawing

    14.0 ± 0.3 mm (551.2 ± 12 mil) Height 2.80 ± 0.3 mm (110.2 ± 12 mil) 6.1. Outline Drawing © 2009 Leadtek Research Inc. All rights reserved. Page 14/19 Leadtek Confidential - Information is subject to change without prior notice.

  • Page 16: Application Notes

    2. Recommended pad for pin 9 is 2.3 * 1.5 mm ( +/- 0.1 mm ) 7. Application Notes  LR9101X is a compact-sized GPS module, specific for patch antenna design. It has the pin- to-pin compatibility with LR9102, which is specific for active antenna design. ...

  • Page 17: Automated Manufacturing Components

    LR9101X Specifications Sheet Rev. 1.3 8. Automated manufacturing components 8.1. 8.1 Reel and taping specifications (Unit: mm) © 2009 Leadtek Research Inc. All rights reserved. Page 16/19 Leadtek Confidential - Information is subject to change without prior notice.

  • Page 18: Polystyrene Alloy Taping Specifications

    K0 measured from a plane on the inside bottom of the pocket to the top surface of the carrier All dimensions meet EIA-481-2 requirements 22” 1R= 63M 3000PCS 13”21M 1000PCS 8.3. Polystyrene Alloy Taping Drawing © 2009 Leadtek Research Inc. All rights reserved. Page 17/19 Leadtek Confidential - Information is subject to change without prior notice.

  • Page 19: Reflow Profile

    255~260℃ ; 10~20seconds Ramp-down rate 6℃/second max. Time 25℃ to Peak Temperature 8 minutes max. Maximum number of reflow cycles ≤3 © 2009 Leadtek Research Inc. All rights reserved. Page 18/19 Leadtek Confidential - Information is subject to change without prior notice.
  • Page 20 Note: if device containers cannot be subjected to high temperature or if shorter bake times are desired, reference IPC/JEDEC J-STD-020 for bake procedure © 2009 Leadtek Research Inc. All rights reserved. Page 19/19 Leadtek Confidential - Information is subject to change without prior notice.

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