CMT2119AW

Rev 0.9 | Page 4/29

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Table of Contents

1. Electrical Characteristics............................................................................................................................................ 5

1.1

Recommended Operating Conditions ................................................................................................................... 5

1.2

Absolute Maximum Ratings................................................................................................................................... 5

1.3

Transmitter Specifications ..................................................................................................................................... 6

1.4

Crystal Oscillator ................................................................................................................................................... 7

2. Pin Descriptions .......................................................................................................................................................... 8

3. Typical Performance Characteristics......................................................................................................................... 9

4. Typical Application Schematics ............................................................................................................................... 10

4.1

Low-Cost Application Schematic......................................................................................................................... 10

4.2

FCC/ETSI Compliant Application Schematic....................................................................................................... 11

5. Functional Descriptions............................................................................................................................................ 12

5.1

Overview ............................................................................................................................................................. 12

5.2

Modulation, Frequency, Deviation and Symbol Rate .......................................................................................... 12

5.3

Embedded EEPROM and RFPDK ...................................................................................................................... 13

5.4

On-line Register Configuration ............................................................................................................................ 14

5.5

Power Amplifier ................................................................................................................................................... 14

5.6

PA Ramping ........................................................................................................................................................ 15

5.7

Crystal Oscillator and RCLK................................................................................................................................ 15

6. Working States and Transmission Control Interface ............................................................................................. 17

6.1

Working States.................................................................................................................................................... 17

6.2

Transmission Control Interface ........................................................................................................................... 17

6.2.1 Tx Enabled by DATA Pin Rising Edge...................................................................................................... 18

6.2.2 Tx Enabled by DATA Pin Falling Edge ..................................................................................................... 18

6.2.3 Two-wire Interface.................................................................................................................................... 18

7. On-Line Register Configuration Flow ...................................................................................................................... 21

7.1

Accessing Registers with TWI............................................................................................................................. 21

7.2

Configuration Flow .............................................................................................................................................. 22

8. Ordering Information................................................................................................................................................. 24

9. Package Outline......................................................................................................................................................... 25

10. Top Marking ............................................................................................................................................................... 26

10.1 CMT2119AW Top Marking.................................................................................................................................. 26

11. Other Documentations .............................................................................................................................................. 27

12. Document Change List.............................................................................................................................................. 28

13. Contact Information .................................................................................................................................................. 29