Linx-technologies RXM-GPS-SR Instrukcja Użytkownika Pobierz pdf (Strona 2)

ELECTRICAL SPECIFICATIONS

*CAUTION*

This product incorporates numerous static-sensitive components.

Always wear an ESD wrist strap and observe proper ESD handling

procedures when working with this device. Failure to observe this

precaution may result in module damage or failure.

ABSOLUTE MAXIMUM RATINGS

Supply Voltage V

+5.5 VDC

Input Battery Backup Voltage +7.0 VDC

Operating Temperature -30to+85°C

Storage Temperature -40 to +85°C

Soldering Temperature +225°C for 10 seconds

*NOTE* 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.

Table 1: SR Series Receiver Specifications

Parameter Designation Min. Typical Max. Units Notes

POWER SUPPLY

Supply Voltage V

3.0 – 4.3 VDC –

Supply Current: I

Peak – 3149mA–

Sleep – <0.1 – mA –

Backup Battery Voltage V

BAT

1.3 –6.0VDC–

Backup Battery Current I

BAT

–10–µA–

Output Logic Low Voltage V

––0.73 VDC –

Output Logic High Voltage V

2.0 – – VDC –

Output Logic Low Current I

–2–mA–

Output Logic High Current I

–2–mA–

Input Logic Low Voltage V

-0.3 –0.8 VDC –

Input Logic High Voltage V

2.1 – 3.6 VDC –

Input Logic Low Current I

-10 – 60 µA –

Input Logic High Current I

-10 – 60 µA –

ENABLE Logic Low Voltage V

– – 0.25 VDC –

ENABLE Logic High Voltage V

1.3 – Vcc VDC –

ENABLE Logic Low Current I

-0.2 – 1 µA –

ENABLE Logic High Current I

-0.2 – 10 µA –

ENVIRONMENTAL

Operating Temperature Range – -30–+85

°C–

Storage Temperature Range – -40 25 +85

°C–

RECEIVER SECTION

Acquisition Time

Hot Start (Open Sky) – – 2 S –

Cold Start – 35–S–

Position Accuracy

Autonomous – – 10 m –

SBAS – – 5 m –

Altitude – – 60,000 ft –

Velocity – – 1,000 Knots –

Chipset SiRF Star III, GSC3f/LPx 7990

Firmware Version

GSW3.5.0_3.5.00.00-SDK-3EP2.01A

Frequency L1 1575.42MHz, C/A Code

Channels 20

Update Rate 1Hz

Protocol Support NMEA 0183 ver 3.0, SiRF Binary

Page 2

Page 3

Notes:

1. V

= 3.3V

PIN ASSIGNMENTS

GND

VBACKUP

GND GND

LED

VCC

Figure 2: SR Series Receiver Pinout (Top View)

Pin # Name I/O Description

1 GND P Ground

2 VBACKUP P

Backup battery supply voltage. This line must be

powered to enable the module.

3 TX O Serial Data Output (default NMEA)

4 RX I Serial Data Input (default NMEA)

5 LED O

LED Indicator (100kΩ internal pull-down)

6 NC No Electrical Connection

7 EN I Enable (active high, internal pull-down)

8 VCC P Supply Voltage

9 GND P Ground

10 GND P Ground

PIN DESCRIPTIONS

1 2 3 4 5 6 7 ... 14 15

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