TH72016

433MHz

FSK/ASK Transmitter

Page 2 of 16

REVISION 010 - JUNE 14, 2017

3901072016

Contents

Features and Benefits ................................................................................................................................1

Application Examples .................................................................................................................................1

Pin Description...........................................................................................................................................1

Ordering information .................................................................................................................................1

General Description ...................................................................................................................................1

1. Theory of Operation...............................................................................................................................4

1.1. General................................................................................................................................................ 4

1.2. Block Diagram..................................................................................................................................... 4

2. Functional Description ...........................................................................................................................4

2.1. Crystal Oscillator................................................................................................................................. 4

2.2. FSK Modulation .................................................................................................................................. 5

2.3. Crystal Pulling ..................................................................................................................................... 5

2.4. ASK Modulation .................................................................................................................................. 6

2.5. Output Power Selection..................................................................................................................... 6

2.6. Lock Detection.................................................................................................................................... 6

2.7. Low Voltage Detection....................................................................................................................... 6

2.8. Mode Control Logic............................................................................................................................ 7

2.9. Clock Output....................................................................................................................................... 7

2.10. Timing Diagrams............................................................................................................................... 7

3. Pin Definition and Description................................................................................................................8

4. Electrical Characteristics ........................................................................................................................9

4.1. Absolute Maximum Ratings ............................................................................................................... 9

4.2. Normal Operating Conditions............................................................................................................ 9

4.3. Crystal Parameters ............................................................................................................................. 9

4.4. DC Characteristics ............................................................................................................................ 10

4.5. AC Characteristics............................................................................................................................. 11

4.6. Output Power Steps – FSK Mode .................................................................................................... 12

4.7. Output Power Steps – ASK Mode .................................................................................................... 12

5. Test Circuit ...........................................................................................................................................13

5.1. Test circuit component list to Fig. 6 ................................................................................................ 13

6. Package Description .............................................................................................................................14