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GPS Receiver 

A1037-A 

 

 

6 Electrical Characteristics 

6.1 Operating Conditions 

 

Pin Description 

Min 

Typical 

Max

2 Vcc 

3.3V 

3.3V 

3.6V

 

Current draw (without active antenna) 

 

54mA 

 

Input current in standby mode 
typical value at 20°C 
max. value at min. temperature 

20µA  

20µA 

300µA 

1PPS (1 pulse per second), reference GPS time 

 

+120ns 

 

15 

VANT (active antenna supply voltage) 
Antenna current 

0V  

5.5V

50mA

13  ANT (antenna pin) 

 

Z

0

=50

 

 

Output pins 
VOH 
VOL  

 
Vcc-
0.8V 

 

0.4V

 

Input pins 
VIH 
VIL 

 
2.0V 
 

 

0.8V

 

Table 6: Operating Conditions 

 

6.2 Absolute maximum ratings 

 

Symbol Parameter 

Min Max Unit

Vcc Power 

supply 

-0.3 

+3.6

Vin 

Voltage to any pin 

-0.3  +3.6

Iov 

Input current on any pin 

-10 

10 

mA 

Itdv 

Absolute sum of all input currents during overload condition 

 

200  mA 

Tst Storage 

temperature 

-40 

125 

°C 

Vant 

Antenna power supply 

5.5 

 

Table 7: Absolute maximum ratings 

 
Stresses beyond those listed under “Absolute Maximum Ratings” may cause per-
manent damage to the device. This is a stress rating only. Functional operation of 
the device at these or any other conditions beyond those indicated in the opera-
tional sections of this specification is not implied. Exposure to absolute maximum 
rating conditions for extended periods may affect device reliability. 

V2.0 - 03/07 

User’s Manual 

Page 17 of 29

 

Содержание A1037-A

Страница 1: ...GPS Receivers A1037 A A description of Tyco Electronics GPS module A1037 A User s Manual Version 2 0 Hardware Revision 01...

Страница 2: ...This page was intentionally left blank...

Страница 3: ...ification implemented 1 2 09 22 06 Minor changes storage temperature spell check Packaging details added 1 3 11 28 06 Additional info Connection of RF Signal 1 4 12 08 06 Application not antenna curre...

Страница 4: ...STEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF TYCO ELEC TRONICS THIS DOCUMENT MAY PROVIDE LINKS TO OTHER WORLD WIDE WEB SITES OR RESOURCES BECAUSE TYCO ELECTRONICS HAS NO CONTROL OVER SUCH SITES AND R...

Страница 5: ...15 5 2 Description A1037 A Signals 15 5 3 General Comments 16 6 Electrical Characteristics 17 6 1 Operating Conditions 17 6 1 1 Absolute maximum ratings 17 7 Mounting 18 7 1 Proposed Footprint for So...

Страница 6: ...na voltage input pin 24 10 4 1PPS pin 1 pulse per second pin 25 10 5 Reset Signal 25 10 6 Battery Back up 25 11 Demonstration Kits 26 11 1 Evaluation Kit A1037 A 26 12 Related Information 27 12 1 Cont...

Страница 7: ...ion of GPS module combines small size and high end GPS functionality at low power consumption Operable at 3 3V 50mA typ 1fix per second Small form factor of 19 x 16 2 mm 0 75 x 0 64 Cost effective ant...

Страница 8: ...e to the s level 2 The receiver has estimates of time date position and valid almanac and ephemeris data 3 The receiver has estimates of time date position and recent almanac 4 The receiver has no est...

Страница 9: ...7A V23993 stands for Tyco Electronics wireless and communication products A1037A for the A1037 A module 2 2 Packing 2 2 1 Packaging of the A1037 A The A1037 A GPS module comes in a tape and reel packa...

Страница 10: ...cations 2 2 3 Additional Equipment V23993EVA1037A Evaluation Kit including one module V23993A1037A Table 3 Additional equipment A detailed description of the additional kit can be found in the accordi...

Страница 11: ...imum configuration A1037 A Remarks Place C2 to C6 close to SP3222 For capacity values see datasheet of actual component used Use 3 3V level shifter SP3222 or equivalent Use separate ground plane for a...

Страница 12: ...A GSV RMC TG TS PA Baud rate 57600 Transmit mode on UTC second Table 4 NMEA configuration This pin will be read by the software during the GPS software start up only Any changes in the setting afterwa...

Страница 13: ...GPS Receiver A1037 A 4 Mechanical Outline 4 1 Details Component Side A1037 A All dimensions in mm inch Figure 5 Mechanical outline component side A1037 A V2 0 03 07 User s Manual Page 13 of 29...

Страница 14: ...GPS Receiver A1037 A 4 2 Details Solder Side A1037 A Solder pad size 1 4 x 0 9 All dimensions in mm Figure 6 Mechanical outline solder side A1037 A Page 14 of 29 User s Manual V2 0 03 07...

Страница 15: ...11 Serial output 1 reserved for debug leave open 7 TX0 P0 9 Serial output 0 NMEA out 8 RX0 P0 8 Serial input 0 NMEA in 9 nRST Reset input 10 CONF P0 13 NMEA configuration see chapter 3 3 Serial Port...

Страница 16: ...nd use of the module Standard configuration of serial port standard GPS software Serial 0 NMEA 4800 baud 8 data bits no parity 1 stop bit no flow control Antenna Antenna connected to Antenna Pin Use g...

Страница 17: ...s Symbol Parameter Min Max Unit Vcc Power supply 0 3 3 6 V Vin Voltage to any pin 0 3 3 6 V Iov Input current on any pin 10 10 mA Itdv Absolute sum of all input currents during overload condition 200...

Страница 18: ...s for reflow soldering of the module in convection or IR convection ov ens are as follows Peak temperature 245 C Average ramp up rate to Peak 183 C to Peak 3 C second max Preheat temperature 125 25 C...

Страница 19: ...he ground plane of the PCB the ground plane is on a lower PCB layer by via as demonstrated in the drawing Figure 9 Antenna connector strip line A1037 A In order to gain the impedance of 50 the width o...

Страница 20: ...ly to the majority of active antennas that can be found in the market Anyhow the quality of the GPS antenna chosen is of paramount impor tance for the overall sensitivity of the GPS system The system...

Страница 21: ...rd JESD22 A113 B Level 3 Basic qualification tests MSL Classification according to J STD 020C MSL3 245 C MSL Rework Compatibility according to J STD 020C Temperature Cycling 30 C 70 C Temperature Humi...

Страница 22: ...e following ANTSTAT output Logic low when Iant 9mA Logic high when 9mA Iant 16mA Logic low when Iant 16mA 10 2 1 Antennas with Different Current Draw The following circuit is a proposal on how you can...

Страница 23: ...to the first one but includes a current limiter Comments and notes as above apply We strongly recommend simulating and testing your realized version before use In any case it is the responsibility of...

Страница 24: ...A1037 A GPS receiver module This should be avoided by using an antenna current limiter Please find proposal for simple current limiter below If other transistors are used other resistor values may be...

Страница 25: ...nformation stored in SRAM will still be valid 10 6 Battery Back up This application note describes on how to back up the RTC and the SRAM of the GPS receiver module The basic of the first examples is...

Страница 26: ...ect easily to a PC The USB interface is an ex tension of the serial port 0 therefore sending NMEA sentences and accepting commands At the same time it provides power to the module Accompanied by an an...

Страница 27: ...for further improve ments are highly appreciated Tyco Electronics Power Systems Tyco Electronics Corporation Power Systems Finsinger Feld 1 85521 Ottobrunn Germany Tel 49 89 6089 838 Fax 49 89 6089 8...

Страница 28: ...GPS Receiver A1037 A Page 28 of 29 User s Manual V2 0 03 07 This page was intentionally left blank...

Страница 29: ...gure 3 A1037 A tape specifications 2 10 Figure 4 Recommended minimum configuration A1037 A 11 Figure 5 Mechanical outline component side A1037 A 13 Figure 6 Mechanical outline solder side A1037 A 14 F...

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