DLPS194A November   2020  – June 2022 DLP670S

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  Storage Conditions
    3. 6.3  ESD Ratings
    4. 6.4  Recommended Operating Conditions
    5. 6.5  Thermal Information
    6. 6.6  Electrical Characteristics
    7. 6.7  Capacitance at Recommended Operating Conditions
    8. 6.8  Timing Requirements
    9. 6.9  Typical Characteristics
    10. 6.10 System Mounting Interface Loads
    11. 6.11 Micromirror Array Physical Characteristics
    12. 6.12 Micromirror Array Optical Characteristics
    13. 6.13 Window Characteristics
    14. 6.14 Chipset Component Usage Specification
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Power Interface
      2. 7.3.2 Timing
    4. 7.4 Device Functional Modes
    5. 7.5 Optical Interface and System Image Quality
      1. 7.5.1 Numerical Aperture and Stray Light Control
      2. 7.5.2 Pupil Match
      3. 7.5.3 Illumination Overfill
    6. 7.6 Micromirror Array Temperature Calculation
      1. 7.6.1 Micromirror Array Temperature Calculation using Illumination Power Density
      2. 7.6.2 Micromirror Array Temperature Calculation using Total Illumination Power
      3. 7.6.3 Micromirror Array Temperature Calculation using Screen Lumens
    7. 7.7 Micromirror Landed-On/Landed-Off Duty Cycle
      1. 7.7.1 Definition of Micromirror Landed-On/Landed-Off Duty Cycle
      2. 7.7.2 Landed Duty Cycle and Useful Life of the DMD
      3. 7.7.3 Landed Duty Cycle and Operational DMD Temperature
      4. 7.7.4 Estimating the Long-Term Average Landed Duty Cycle of a Product or Application
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
    3. 8.3 DMD Die Temperature Sensing
  9. 9 Power Supply Recommendations
    1. 9.1 DMD Power Supply Power-Up Procedure
    2. 9.2 DMD Power Supply Power-Down Procedure
    3. 9.3 Restrictions on Hot Plugging and Hot Swapping
      1. 9.3.1 No Hot Plugging
      2. 9.3.2 No Hot Swapping
      3. 9.3.3 Intermittent or Voltage Power Spike Avoidance
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Critical Signal Guidelines
      2. 10.1.2 Power Connection Guidelines
      3. 10.1.3 Noise Coupling Avoidance
    2. 10.2 Layout Example
      1. 10.2.1 Layers
      2. 10.2.2 Impedance Requirements
      3. 10.2.3 Trace Width, Spacing
        1. 10.2.3.1 Voltage Signals
  11. 11Device and Documentation Support
    1. 11.1 Third-Party Products Disclaimer
    2. 11.2 Device Support
      1. 11.2.1 Device Nomenclature
      2. 11.2.2 Device Markings
    3. 11.3 Documentation Support
      1. 11.3.1 Related Documentation
    4. 11.4 Receiving Notification of Documentation Updates
    5. 11.5 Support Resources
    6. 11.6 Trademarks
    7. 11.7 Electrostatic Discharge Caution
    8. 11.8 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

8.1 Application Information

The DMD is a spatial light modulator, which reflects incoming light from an illumination source to one of two directions, with the primary direction being into a projection or collection optic. Each application is derived primarily from the optical architecture of the system and the format of the data being used.

The DLP670S DMD is controlled by two DLPC900 controllers. The DMD itself receives bit planes through a 2xLVDS input data bus and, when input control commands dictate, activates the controls which update the mechanical state of the DMD mirrors. In combination with the DLPC900 Controllers, the chipset enables four unique modes of system level operation:

  • Video Mode - 24 bit video signals presented to inputs of the DLPC900 Controllers appear on the DMD. The DMD mirrors are updated in a PWM fashion to construct the 24 bit video data. This mode is similar to standard DLP Display projector use cases.
  • Video Pattern Mode - the user can define periods of time for specific patterns to be displayed on the DMD. Those patterns are provided via the input video interface and are constrained to input video timing parameters. This mode is optimal for when the data to be presented is not known in advance of operation, or input data needs to be streamed or updated based on real-time processing conditions.
  • Pre-stored Pattern Mode - the user can define the patterns in advance and build the pattern data into an on-board flash memory. Upon power up, the DLPC900 controllers immediately start reading and displaying those patterns. This mode is typically used in applications where the patterns to be used are known in advance and the patterns can all fit in the external flash memory. This mode typically provides the fastest pattern update rates.
  • Pattern-on-the-Fly Pattern Mode - the user can download and update pattern data over the DLPC900 input USB data interface. This allows an external processor to modify and update patterns based on external processing decisions. This mode also provides streaming capability similar to the Video Pattern Mode except that the user will need to take into account delays involved with USB transmission of pattern data and control information.

The DLP670S provides solutions for many varied applications including structured light (3-D machine vision), 3-D printing, information projection, and lithography.

The DLP670S contains the most recent breakthrough micromirror technology called the TRP pixel. With a smaller pixel pitch of 5.4 μm and increased tilt angle of 17.5 degrees nominal, TRP chipsets enable higher resolution in a smaller form factor while maintaining high optical efficiency. DLP chipsets are a great fit for any system that requires high resolution and high output projection imaging.