3.15.
STATUS ................................................................................................................................ 53
3.16.
ADC Interface ....................................................................................................................... 53
3.17.
Behaviors of RI ..................................................................................................................... 54
3.18.
USB_BOOT Interface............................................................................................................ 55
4
GNSS Receiver ................................................................................................................................ 57
4.1.
General Description .............................................................................................................. 57
4.2.
GNSS Performance .............................................................................................................. 57
4.3.
Layout Guidelines ................................................................................................................. 58
5
Antenna Interfaces .......................................................................................................................... 59
5.1.
5.1.1.
Pin Definition ................................................................................................................ 59
5.1.2.
Operating Frequency ................................................................................................... 59
5.1.3.
5.1.4.
5.2.
GNSS Antenna Interface ....................................................................................................... 63
5.3.
Antenna Installation .............................................................................................................. 64
5.3.1.
Antenna Requirement .................................................................................................. 64
5.3.2.
6
6.1.
Absolute Maximum Ratings .................................................................................................. 67
6.2.
Power Supply Ratings ........................................................................................................... 67
6.3.
6.4.
Current Consumption ............................................................................................................ 69
6.5.
RF Output Power .................................................................................................................. 81
6.6.
RF Receiving Sensitivity ....................................................................................................... 82
6.7.
Electrostatic Discharge ......................................................................................................... 87
6.8.
Thermal Consideration .......................................................................................................... 87
7
Mechanical Dimensions.................................................................................................................. 90
7.1.
7.2.
Recommended Footprint ....................................................................................................... 93
7.3.
8
8.1.
Storage ................................................................................................................................. 96
8.2.
8.3.
Packaging ............................................................................................................................. 98
9
Appendix A References ................................................................................................................ 101
EG91_Series_Hardware_Design
LTE Standard Module Series
EG91 Series Hardware Design
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