DLP391TPFSB datasheet(2/46 Pages) TI2

2 / 46 page

Table of Contents

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

2 Applications..................................................................... 1

3 Description.......................................................................1

4 Pin Configuration and Functions...................................3

5 Specifications.................................................................. 6

5.1 Absolute Maximum Ratings........................................ 6

5.2 Storage Conditions..................................................... 7

5.3 ESD Ratings............................................................... 7

5.4 Recommended Operating Conditions.........................8

5.5 Thermal Information.................................................. 11

5.6 Electrical Characteristics...........................................12

5.7 Switching Characteristics..........................................13

5.8 Timing Requirements................................................13

5.9 System Mounting Interface Loads............................ 18

5.10 Micromirror Array Physical Characteristics............. 19

5.11 Micromirror Array Optical Characteristics............... 20

5.12 Window Characteristics.......................................... 20

5.13 Chipset Component Usage Specification............... 20

6 Detailed Description......................................................22

6.1 Overview................................................................... 22

6.2 Functional Block Diagram......................................... 22

6.3 Feature Description...................................................23

6.4 Device Functional Modes..........................................23

6.5 Optical Interface and System Image Quality

Considerations............................................................ 23

6.6 Micromirror Array Temperature Calculation.............. 24

6.7 Micromirror Power Density Calculation.....................25

6.8 Window Aperture Illumination Overfill Calculation.... 27

6.9 Micromirror Landed-On/Landed-Off Duty Cycle....... 28

7 Application and Implementation.................................. 31

7.1 Application Information............................................. 31

7.2 Typical Application.................................................... 31

7.3 Temperature Sensor Diode....................................... 32

8 Power Supply Recommendations................................33

8.1 DMD Power Supply Power-Up Procedure................ 33

8.2 DMD Power Supply Power-Down Procedure........... 33

9 Layout.............................................................................35

9.1 Layout Guidelines..................................................... 35

10 Device and Documentation Support..........................36

10.1 Third-Party Products Disclaimer............................. 36

10.2 Device Support....................................................... 36

10.3 Documentation Support.......................................... 37

10.4 Support Resources................................................. 37

10.5 Trademarks.............................................................37

10.6 Electrostatic Discharge Caution..............................37

10.7 Glossary..................................................................37

11 Revision History.......................................................... 37

12 Mechanical, Packaging, and Orderable

Information.................................................................... 38

DLP391TP

DLPS289A – JUNE 2025 – REVISED SEPTEMBER 2025

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