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Leadtek LR9101LP Specification Sheet

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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:
i
GPS LR9101LP
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

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Summary of Contents for Leadtek LR9101LP

  • Page 1 : 15 x 14 x 2.8 mm Built-in high gain amplifier and bandpass filter RoHS compliance 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 LR9101LP Specifications Sheet Rev. 0.1 1. Introduction The Leadtek GPS 9101LP module (LR9101) 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™...

  • Page 3: Technical Specifications

    Flexible and cost effective hardware design for different application requirements Secure SMD PCB mounting method 2. Technical specifications 2.1. Module architecture 9101LP Block Diagram SiRF GSC3f/LP © 2006 Leadtek Research Inc. All rights reserved. Page 2/12 Preliminary Confidential - Information is subject to change without prior notice.

  • Page 4: Hardware Features

    SMT pads allow for fully automatic assembly processes equipment and reflow soldering RoHS compliant (lead-free) 2.2. Software Features The firmware used on Leadtek 9101LP module is GSW3.2.2, the software for SiRF StarIII low power single chipset receivers, and the default configuration is as following description: Item...
  • Page 5 Altitude 18,000 meters (60,000 feet) max. 515 meters/second (1000 knots) Velocity max. Jerk 20 meters/second3, max. Acceleration 4g, max. © 2006 Leadtek Research Inc. All rights reserved. Page 4/12 Preliminary Confidential - Information is subject to change without prior notice.

  • Page 6: Reference Design

    2.6. Reference design All ground pads attach directly to ground plane by way of via. All components are reference only © 2006 Leadtek Research Inc. All rights reserved. Page 5/12 Preliminary Confidential - Information is subject to change without prior notice.

  • Page 7: Performance Characteristics

    100 ms (<10 s obstruction with valid almanac, position, time & ephemeris) Note 1: Open Sky and Stationary Environments. © 2006 Leadtek Research Inc. All rights reserved. Page 6/12 Preliminary Confidential - Information is subject to change without prior notice.

  • Page 8: Timing 1Pps Output

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

  • Page 9: Specifications

    Input voltage Current (typ) at full power (3.3V) 49mA Battery backup voltage 1.65~5.0 VDC 4.1. specifications 4.1.1. Pin Positions © 2006 Leadtek Research Inc. All rights reserved. Page 8/12 Preliminary Confidential - Information is subject to change without prior notice.
  • Page 10 Reserved, general purpose IO Note 2: There are two more shielding case ground pads, please refer the recommended footprint. © 2006 Leadtek Research Inc. All rights reserved. Page 9/12 Preliminary Confidential - Information is subject to change without prior notice.

  • Page 11: Software Interface

    SiRF NMEA reference manual. 5.2. SiRF binary A complete description of each binary message is contained in the Leadtek SiRF Binary Protocol reference manual. © 2006 Leadtek Research Inc. All rights reserved.

  • Page 12: Outline Drawing

    14.0 ± 0.1 mm (551.2 ± 4 mil) 6.1. Outline Drawing Height 2.80 ± 0.3 mm (110.2 ± 12 mil) © 2006 Leadtek Research Inc. All rights reserved. Page 11/12 Preliminary Confidential - Information is subject to change without prior notice.
  • Page 13 LR9101LP Specifications Sheet Rev. 0.1 6.2. Recommended footprint ( Bottom view ) © 2006 Leadtek Research Inc. All rights reserved. Page 12/12 Preliminary Confidential - Information is subject to change without prior notice.
  • Page 14 LR9101LP Specifications Sheet Rev. 0.1 Note 3: These two shielding case ground pads should attach directly to a ground plane. © 2006 Leadtek Research Inc. All rights reserved. Page 13/12 Preliminary Confidential - Information is subject to change without prior notice.

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