Linx-technologies RXM-GPS-R4 Manuel d'utilisateur télécharger pdf (Page 4)

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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

+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

3.0 3.3 3.6 VDC

Supply Current l

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

0.4 VDC

Electrical Specications

Output High Voltage V

TX Pin 0.7*VCC VCC VCC VDC

1.8V Level Pin 1.2 1.8 1.85 VDC

Output Low Current I

2.0 mA

Output High Current I

TX Pin 0.05 mA

1.8V Level Pin 2.0 mA

Input Low Voltage V

–0.4 0.45 VDC

Input High Voltage V

1.3 3.6 VDC

LNA Section

Input Power P

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

50 Ω

1. VCC = 3.3V, without active antenna

2. VCC = 0V

3. VOUT current is directly sourced from VCC.

1 2 3 4 5 6 7 8 9 ... 18 19

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