LLCC68 datasheet(6/106 Pages) SEMTECH

6 / 106 page

LLCC68

Data Sheet

Rev. 1.0

DS.LLCC68.W.APP

July 2019

6 of 106

Semtech

www.semtech.com

14.4 Issuing Commands in the Right Order .................................................................................. 95

14.5 Application Schematics .............................................................................................................. 96

14.5.1 Application Design of the LLCC68 with RF Switch ............................................... 96

15. Known Limitations..................................................................................................................................... 97

15.1 Modulation Quality with 500 kHz LoRa® Bandwidth ....................................................... 97

15.1.1 Description.......................................................................................................................... 97

15.1.2 Workaround ........................................................................................................................ 97

15.2 Better Resistance of the LLCC68 Tx to Antenna Mismatch ............................................ 97

15.2.1 Description.......................................................................................................................... 97

15.2.2 Workaround ........................................................................................................................ 98

15.3 Implicit Header Mode Timeout Behavior ............................................................................. 98

15.3.1 Description.......................................................................................................................... 98

15.3.2 Workaround ........................................................................................................................ 98

15.4 Optimizing the Inverted IQ Operation .................................................................................. 98

15.4.1 Description.......................................................................................................................... 98

15.4.2 Workaround ........................................................................................................................ 99

16. Packaging Information........................................................................................................................... 100

16.1 Package Outline Drawing ........................................................................................................ 100

16.2 Package Marking ......................................................................................................................... 101

16.3 Land Pattern ................................................................................................................................. 101

16.4 Reflow Profiles .............................................................................................................................. 102

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