Linx R4 Series, Data Manual

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Ordering Information
Ordering Information
Part Number Description
RXM-GPS-R4-x R4 Series GPS Receiver Module
MDEV-GPS-R4 R4 Series GPS Receiver Master Development System
EVM-GPS-R4 R4 Series GPS Receiver Evaluation Module
x = “T” for Tape and Reel, “B” for Bulk
Reels are 1,000 pieces
Quantities less than 1,000 pieces are supplied in bulk
Figure 2: Ordering Information
Figure 4: Figure 3: Electrical Specifications
Absolute Maximum Ratings
Supply Voltage V
CC
+4.3 VDC
Input Battery Backup Voltage +7.0 VDC
Operating Temperature −40 to +85 ºC
Storage Temperature −40 to +85 ºC
Soldering Temperature +225°C for 10 seconds
Exceeding any of the limits of this section may lead to permanent damage to the
device. Furthermore, extended operation at these maximum ratings may reduce
the life of this device.
Absolute Maximum Ratings
Figure 3: Absolute Maximum Ratings
R4 Series GPS Receiver Specifications
Parameter Symbol Min. Typ. Max. Units Notes
Power Supply
Operating Voltage V
CC
3.0 3.3 3.6 VDC
Supply Current l
CC
Peak 122 mA 1
Acquisition 56 mA 1
Tracking 33 mA 1
Hibernate 0.43 mA 1
Backup Battery Voltage V
BAT
2.0 6.0 VDC
Backup Battery Current I
BAT
660 830 µA 2
VOUT Output Voltage V
OUT
VCC 3
Output Low Voltage V
OL
0.4 VDC
Electrical Specifications
Output High Voltage V
OH
TX Pin 0.7*VCC VCC VCC VDC
1.8V Level Pin 1.2 1.8 1.85 VDC
Output Low Current I
OL
2.0 mA
Output High Current I
OH
TX Pin 0.05 mA
1.8V Level Pin 2.0 mA
Input Low Voltage V
IL
–0.4 0.45 VDC
Input High Voltage V
IH
1.3 3.6 VDC
LNA Section
Input Power P
IN
18 dB
Receiver Section
Receiver Sensitivity
Tracking –160 dBm
Navigation –157 dBm
Cold Start –145 dBm
Acquisition Time
Hot Start (Open Sky) 1 s
Hot Start (Indoor) 15 s
Cold Start 32 s
Cold Start, CGEE 15 s
Position Accuracy
Autonomous 2.5 m
SBAS 2.5 m
Altitude 18,000 m
Velocity 515 m/s
Chipset SiRF Star IV, GSD4e ROM
Frequency L1 1575.42MHz, C/A Code
Channels 48
Update Rate 1Hz default, up to 5Hz
Protocol Support NMEA 0183 ver 3.0, SiRF Binary
Antenna Port
RF Impedance R
IN
50
Ω
1. VCC = 3.3V, without active antenna
2. VCC = 0V
3. VOUT current is directly sourced from VCC.