Datasheet

Table Of Contents
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Table of contents
SX1272/73
WIRELESS, SENSING & TIMING DATASHEET
Rev. 2 - July 2014
©2014 Semtech Corporation
Figure 40. TCXO Connection .......................................................................................................................................78
Figure 41. Typical Phase Noise Performances of the Low Consumption and Low Phase Noise PLLs. ......................80
Figure 42. RF Front-end Architecture Shows the Internal PA Configuration. ...............................................................82
Figure 43. Receiver Block Diagram ..............................................................................................................................85
Figure 44. AGC Steps Definition ..................................................................................................................................86
Figure 45. Temperature Sensor Response ..................................................................................................................89
Figure 46. POR Timing Diagram ................................................................................................................................114
Figure 47. Manual Reset Timing Diagram ..................................................................................................................115
Figure 48. Listen Mode: Principle ...............................................................................................................................115
Figure 49. Listen Mode with No Preamble Received .................................................................................................116
Figure 50. Listen Mode with Preamble Received .......................................................................................................116
Figure 51. Wake On PreambleDetect State Machine .................................................................................................117
Figure 52. Listen Mode with no SyncAddress Detected .............................................................................................118
Figure 53. Listen Mode with Preamble Received and no SyncAddress .....................................................................118
Figure 54. Listen Mode with Preamble Received & Valid SyncAddress ....................................................................119
Figure 55. Wake On SyncAddress State Machine .....................................................................................................119
Figure 56. Beacon Mode Timing Diagram ..................................................................................................................121
Figure 57. Beacon Mode State Machine ....................................................................................................................121
Figure 58. Example CRC Code ..................................................................................................................................123
Figure 59. Example Temperature Reading ................................................................................................................124
Figure 60. Package Outline Drawing ..........................................................................................................................125
Figure 61. Recommended Land Pattern ....................................................................................................................126
Figure 62. Tape and Reel Information ........................................................................................................................127