MLX72013 Datasheet, PDF (3/21 Pages) Melexis Microelectronic Systems – FSK/ASK Transmitter

MLX72013
433MHz
FSK/ASK Transmitter
1. Features ..........................................................................................................................................................................................1
2. Ordering Code .................................................................................................................................................................................1
3. Application Examples ......................................................................................................................................................................1
4. Pin Description ................................................................................................................................................................................1
5. General Description.........................................................................................................................................................................2
6. Theory of Operation.........................................................................................................................................................................4
6.1 General...................................................................................................................................................................................4
6.2 Block Diagram ........................................................................................................................................................................4
7. Functional Description .....................................................................................................................................................................5
7.1 Crystal Oscillator.....................................................................................................................................................................5
7.2 FSK Modulation ......................................................................................................................................................................5
7.3 Crystal Pulling.........................................................................................................................................................................5
7.4 ASK Modulation ......................................................................................................................................................................6
7.5 Output Power Selection ..........................................................................................................................................................6
7.6 Lock Detection ........................................................................................................................................................................6
7.7 Low Voltage Detection ............................................................................................................................................................6
7.8 Mode Control Logic.................................................................................................................................................................7
7.9 Timing Diagrams.....................................................................................................................................................................7
7.10 Pin Definition and Description .................................................................................................................................................8
8. Electrical Characteristics .................................................................................................................................................................9
8.1 Absolute Maximum Ratings ....................................................................................................................................................9
8.2 Normal Operating Conditions..................................................................................................................................................9
8.3 Crystal Parameters .................................................................................................................................................................9
8.4 DC Characteristics................................................................................................................................................................10
8.5 AC Characteristics ................................................................................................................................................................11
8.6 Output Power Steps – FSK Mode .........................................................................................................................................11
8.7 Output Power Steps – ASK Mode .........................................................................................................................................12
9. Operating Characteristics vs Temperature.....................................................................................................................................13
9.1 General.................................................................................................................................................................................13
9.2 DC Characteristics................................................................................................................................................................13
9.3 AC Characteristics ................................................................................................................................................................16
10. Test Circuit for 433.92MHz........................................................................................................................................................17
10.1 433.92 MHz test circuit components .....................................................................................................................................18
11. Package Information .................................................................................................................................................................19
11.1 Soldering Information............................................................................................................................................................19
12. Standard information regarding manufacturability of Melexis products with different soldering processes .................................20
13. ESD Precautions.......................................................................................................................................................................20
14. Disclaimer .................................................................................................................................................................................21
15. Contact Information...................................................................................................................................................................21
3901072013
Rev. 007
Page 3 of 21
Data Sheet
Oct/14