DSA504RT

 Preliminary Data Sheet

© 2025 Microchip Technology Inc. and its subsidiaries

DS50004033A - 3

Table of Contents

Introduction...........................................................................................................................................................................1

Features..........................................................................................................................................................................1

Functional Block Diagram.............................................................................................................................................2

1. Space Quality Grade......................................................................................................................................................5

2. Pin Description.............................................................................................................................................................. 6

3. Functional Description..................................................................................................................................................8

3.1. Startup.................................................................................................................................................................8

3.2. Input Reference Selection.................................................................................................................................8

3.3. Input Reference Interface................................................................................................................................. 8

3.4. Outputs Enable Control.................................................................................................................................. 10

3.5. Outputs Type Control......................................................................................................................................11

3.6. Output LVCMOS Polarity.................................................................................................................................11

3.7. Output Frequency Selection...........................................................................................................................11

3.8. Output Termination.........................................................................................................................................12

3.9. Spread Spectrum Clocking..............................................................................................................................13

3.10. Low Power Standby Mode.............................................................................................................................. 13

3.11. General Purpose IO......................................................................................................................................... 13

4. Host Interface.............................................................................................................................................................. 16

4.1. I2C Serial Interface........................................................................................................................................... 16

4.2. I2C Byte Format................................................................................................................................................ 16

4.3. I2C Read Write Protocol...................................................................................................................................17

5. Register Map................................................................................................................................................................ 18

6. Electrical Characteristics.............................................................................................................................................52

6.1. Absolute Maximum Ratings............................................................................................................................52

6.2. Operating Ratings............................................................................................................................................ 52

6.3. DC Electrical Characteristics........................................................................................................................... 52

6.4. AC Electrical Characteristics............................................................................................................................55

6.5. Temperature Specifications............................................................................................................................59

7. Typical Operating Characteristics..............................................................................................................................62

8. Solder Reflow Profile...................................................................................................................................................63

8.1. VQFN Package.................................................................................................................................................. 63

8.2. CQFP Package...................................................................................................................................................63

9. Packaging Information............................................................................................................................................... 64

9.1. VQFN Package.................................................................................................................................................. 64

9.2. CQFP32 Ceramic Package............................................................................................................................... 68

10.  Product Identification System................................................................................................................................... 70

11.  Ordering Information................................................................................................................................................. 71

12.  Revision History...........................................................................................................................................................72