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SX1240
ADVANCED COMMUNICATIONS & SENSING
Table of contents
Section
DATASHEET
Page
1.
General Description ................................................................................................................................................. 3
1.1.
1.2.
1.3.
Pin Diagram ..................................................................................................................................................... 3
Marking Diagram.............................................................................................................................................. 4
Pin Description................................................................................................................................................. 4
2.
Electrical Characteristics ......................................................................................................................................... 5
2.1.
2.2.
2.3.
ESD Notice ...................................................................................................................................................... 5
Absolute Maximum Ratings ............................................................................................................................. 5
Operating Range.............................................................................................................................................. 5
2.4. Electrical Specifications 6
2.5.
Timing Characteristics ..................................................................................................................................... 7
3.
Application Modes ................................................................................................................................................... 8
3.1. Application Mode: Power & Go 9
3.1.1.
3.1.2.
‘Power & Go’ Mode: Configuration............................................................................................................ 9
Transmitter Operation in ‘Power & Go’ Mode ........................................................................................... 9
3.2.
Application Mode: Advanced ......................................................................................................................... 10
3.2.1.
3.2.2.
Advanced Mode: Configuration............................................................................................................... 10
Transmitter Operation in Advanced Mode .............................................................................................. 11
4.
5.
Configuration Register ........................................................................................................................................... 13
Application Information .......................................................................................................................................... 14
5.1.
5.2.
Crystal Specification ...................................................................................................................................... 14
Reference Design Schematics....................................................................................................................... 14
5.3. Reference Design PCB Layout 15
5.4. Reference Design BOM 16
6.
Packaging Information ........................................................................................................................................... 17
6.1.
6.2.
6.3.
Package Outline Drawing .............................................................................................................................. 17
Land Pattern .................................................................................................................................................. 17
Tape & Reel Specification.............................................................................................................................. 18
7.
Revision History..................................................................................................................................................... 19
SX1240, Rev 1, Oct 2010
?2010 Semtech Corp.
Page 2
www.semtech.com
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