LEA-5H,LEA-5S,LEA-5A-DataSheet Preliminary u-bloxproprietary
GPS.G5-MS5-07026-P4
Page 3
your position is our focus
1 Functional Description
1.1 Overview
TheLEA-5moduleseriesbyu-bloxsetsanewstandardforGPSandGALILEOreceivermodules.Poweredbythe
highperformance50-channelu-blox
5technology,thesemodulesprovideexcellentperformanceandflexibility
atan economicalprice. A 32-channelacquisition engine with over1 million effective correlatorsis capable of
massive parallel searches. This enables a Time To First Fix (TTFF) of less than 1 second, while long
correlation/dwell times make possible an acquisition and tr
acking sensitivity of -160dBm. An available
functionality is SuperSense
®
KickStart, a new feature enabling accelerated acquisition of weak signals. Once
acquired,satellitesarepassedontoapower-optimizeddedicatedtrackingengine.Thisarrangementallowsthe
GPS and GALILEO engine to simultaneously track up to 16 satellites while searching for new ones. u-blox
5’s
advancedjamming suppressionmechanism andinnovativeRFarchitectureprovide ahigh level ofimmunityto
jamming,ensuringmaximumGPSandGALILEOperformance.
TheLEA-5seriesmaintainsthecompact17.0x22.4mmformfactorofthehighlysuccessfulLEA-4modules.The
modules have been designed with backwards compatibility in mind, en
abling ease of upgrade and reducing
engineering and design costs. A USB port is available for faster data transmission and more flexibility. The
optional FLASH EPROM provides capacity to store user-specific configuration settings and allows for future
updates.Thesemodulesdonotsupporttheantennasupplyandsupervisorfunctionalities,andareidealsolu
tions
forapplicationswhereextracostsavingsareneeded.
LEA-5modulesarenotdesignedforlifesavingorsupportingdevicesorforaviationandshouldnotbeusedin
productsthatcould inanywaynegativelyimpactthesecurityorhealthoftheuserorthirdpartiesorthatcoul
d
causedamagetogoods.
1.2 Highlights and Features
Highlights
• Time To First Fix (TTFF): < 1 sec
• Acquisition and tracking sensitivity: -160dBm
• Receives GPS and GALILEO signals
• A-GPS: Supports u-blox AssistNow Online and Offline, OMA SUPL compliant
• High immunity to jamming
• UART serial port, USB, DDC (I
2
C
®
compatible)
Features
Voltage Range (V)
Thickness (mm)
50-channel
engine
KickStart
SuperSense
FW Update
/ FLASH
UART
USB
SPI
DDC
AssistNow
Online
AssistNow
Offline
Dead Reckoning
Raw Data
Precision Timing
1PPS
CFG Pin
Reset Input
Antenna
Supply
Antenna
Supervisor
LEA-5H 2.7-3.6
3.0
1 1 1
LEA-5S 2.7-3.6
3.0
1 1 1
1
LEA-5A 2.7-3.6
3.0
1 1 1
1
Table 1: Features of the LEA-5 Series
(20 páginas)
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