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Venus634LPx Datasheet Preview

Venus634LPx Datasheet

65 Channel Ultra Low Power GPS Receiver

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Data Sheet
SKYTRAQ
VENUS634LPx 65 Channel Ultra Low Power GPS Receiver - ROM
FEATURES
z GPS receiver in 10mm x 10mm x 1.1mm size
z Tests 8 million time-frequency hypothesis per sec
z Open sky cold start 29 second
z Signal detection better than -161dBm
z Reacquisition sensitivity –155dBm
z Accuracy 2.5m CEP
z ~23mA in tracking and navigation mode
z Multipath detection and suppression
z Data logging with external SPI serial Flash
z Supports active or passive antenna
z LGA44 package with 0.8 pitch
z Pb free RoHS compliant
The Venus634LPx is a module-in-a-chip design targeting
mobile consumer and cellular handset applications. It
offers very low current consumption, high sensitivity, and
best in class signal acquisition and time-to-first-fix
performance.
The Venus634LPx contains all the necessary components
of a complete GPS receiver module, includes GPS RF
front-end, GPS baseband signal processor, 0.5ppm
TCXO, 32.768kHz RTC crystal, RTC LDO regulator, and
passive components. It requires very low external
component count and takes up only 100mm2 PCB
footprint.
Dedicated massive-correlator signal parameter search
engine within the baseband enables rapid search of all the
available satellites and acquisition of very weak signal. An
advanced track engine allows weak signal tracking and
positioning in harsh environments such as urban canyons
and under deep foliage.
With very fast signal acquisition speed, the Venus634LPx
has very low average power consumption for locate on
demand type of applications.
Figure-1 GPS Receiver based on Venus634LPx
SkyTraq Technology, Inc.
empower mobility, without uncertainty
1
www.skytraq.com.tw




SkyTraq

Venus634LPx Datasheet Preview

Venus634LPx Datasheet

65 Channel Ultra Low Power GPS Receiver

No Preview Available !

TECHNICAL SPECIFICATIONS
Receiver Type
Accuracy
Open Sky TTFF
Reacquisition
Sensitivity
Update Rate
Dynamics
Operational Limits
Datum
Interface
Baud Rate
Protocol
Main Supply Voltage
Backup Voltage
Current Consumption
Operating Temperature
Storage Temperature
Package
L1 Frequency
GPS C/A code
SBAS Capable
51 Channel Acquisitions
14 Channel Tracking
Position
Velocity
Timing
2.5m CEP
0.1m/sec
300ns
Hot start 1 second
Cold start 29 seconds average
< 1s
Tracking -161dBm
1Hz standard
4G
Altitude < 18,000m*1 or
Velocity < 515m/s*1
Default WGS-84
UART LVTTL level
4800 / 9600 / 38400 / 115200 hardware configurable
NMEA-0183 V3.01, GGA, GLL, GSA, GSV, RMC, VTG (default GGA, GSA, GSV, RMC, VTG)
SkyTraq Binary
2.8V ~ 3.6V
1.5V ~ 6V
~23mA tracking
-40 ~ +85 deg-C
-40 ~ +125 deg-C
LGA44 10mm x 10mm x 1.1mm, 0.8mm pitch
*1: COCOM limit, either may be exceeded but not both
SkyTraq Technology, Inc.
empower mobility, without uncertainty
2
www.skytraq.com.tw


Part Number Venus634LPx
Description 65 Channel Ultra Low Power GPS Receiver
Maker SkyTraq
Total Page 19 Pages
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