Linx Technologies RXM-GPS-FM - Manual (Page 4)

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Ordering Information
Ordering Information
Part Number Description
RXM-GPS-FM-x FM Series GPS Receiver Module
MDEV-GPS-FM FM Series GPS Receiver Master Development System
EVM-GPS-FM FM Series 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
Absolute Maximum Ratings
Supply Voltage V
CC
+4.3 VDC
Input Battery Backup Voltage +4.3 VDC
VOUT Output Current 50 mA
Operating Temperature −40 to +85 ºC
Storage Temperature −40 to +85 ºC
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
FM Series GNSS Receiver Specifications
Parameter Symbol Min. Typ. Max. Units Notes
Power Supply
Operating Voltage V
CC
3.0 3.3 4.3 VDC
Supply Current l
CC
Peak 66 mA 1
Acquisition 14 mA 1
Tracking 12 mA 1, 2
Standby 0.150 mA 1
Backup Battery Voltage V
BAT
2.0 4.3 VDC
Backup Battery Current I
BAT
7 µA 2
Antenna Port
RF Impedance R
IN
50 Ω
Electrical Specifications
FM Series GNSS Receiver Specifications
Parameter Symbol Min. Typ. Max. Units Notes
VOUT Output Voltage V
OUT
2.7 2.8 2.9 VDC
VOUT Output Current I
OUT
30 mA 3
Output Low Voltage V
OL
0.4 VDC
Output High Voltage V
OH
2.4
Output Low Current I
OL
2.0 mA
Output High Current I
OH
2.0 mA
Input Low Voltage V
IL
−0.3 0.8 VDC
Input High Voltage V
IH
2.0 3.6 VDC
Input Low Current I
IL
−1 1 µA 4
Input High Current I
IH
−1 1 µA 4
Minimum RESET Pulse T
RST
1 ms
Receiver Section
Receiver Sensitivity
Tracking −161 dBm
Cold Start −143 dBm
Acquisition Time
Hot Start (Open Sky) 1 s
Hot Start (Indoor) 30 s
Cold Start 32 s
Cold Start, AGPS 15 s
Position Accuracy
Autonomous 3 m
SBAS 2.5 m
1PPS Accuracy −11 11 ns
Altitude 50,000 m
Velocity 515 m/s
Chipset MediaTek MT3339
Frequency L1 1575.42MHz, C/A code
Channels 22 tracking, 66 acquisition
Update Rate 1Hz default, up to 10Hz
Protocol Support NMEA 0183 ver 3.01
1. V
CC
= 3.3V, without active antenna, ephemeris prediction is off,
IOUT
= 0
2. Position fix is available
3. V
CC
= 0V
4. No pull-up or pull-down on the lines
Figure 2: Ordering Information
Figure 3: Absolute Maximum Ratings
Figure 4: Electrical Specifications