TH72016_12 Datasheet, PDF (2/15 Pages) Melexis Microelectronic Systems – FSK/ASK Transmitter

TH72016
433MHz
FSK/ASK Transmitter
Document Content
1 Theory of Operation ...................................................................................................3
1.1 General .............................................................................................................................. 3
1.2 Block Diagram.................................................................................................................... 3
2 Functional Description ..............................................................................................3
2.1 Crystal Oscillator ................................................................................................................ 3
2.2 FSK Modulation ................................................................................................................. 4
2.3 Crystal Pulling .................................................................................................................... 4
2.4 ASK Modulation ................................................................................................................. 5
2.5 Output Power Selection...................................................................................................... 5
2.6 Lock Detection ................................................................................................................... 5
2.7 Low Voltage Detection ....................................................................................................... 5
2.8 Mode Control Logic ............................................................................................................ 6
2.9 Clock Output ...................................................................................................................... 6
2.10 Timing Diagrams............................................................................................................. 6
3 Pin Definition and Description ..................................................................................7
4 Electrical Characteristics ..........................................................................................8
4.1 Absolute Maximum Ratings................................................................................................ 8
4.2 Normal Operating Conditions ............................................................................................. 8
4.3 Crystal Parameters ............................................................................................................ 8
4.4 DC Characteristics ............................................................................................................. 9
4.5 AC Characteristics ........................................................................................................... 10
4.6 Output Power Steps – FSK Mode .................................................................................... 11
4.7 Output Power Steps – ASK Mode .................................................................................... 11
5 Test Circuit ...............................................................................................................12
5.1 Test circuit component list to Fig. 6 .................................................................................. 12
6 Package Description ................................................................................................13
6.1 Soldering Information ....................................................................................................... 13
6.2 Recommended PCB Footprints........................................................................................ 13
7 Standard information regarding manufacturability of Melexis products with
different soldering processes .................................................................................14
8 ESD Precautions ......................................................................................................14
9 Disclaimer .................................................................................................................15
39010 72016
Rev. 009
Page 2 of 15
Data Sheet
Jan/12