Overview
The Texas Instruments DLP4500AFQE is a 0.45-inch WXGA Digital Micromirror Device (DMD) designed as a spatial light modulator (SLM) to steer visible light and create patterns with high speed, precision, and efficiency. This device is part of the DLP® chipset and is well-suited for various applications including 3D machine vision, medical instruments, and augmented reality. The DLP4500AFQE features a compact form factor, making it ideal for portable equipment where small size and lower cost are critical.
Key Specifications
| Specification | Value | Unit |
|---|---|---|
| Diagonal Micromirror Array Size | 0.45 inches (11.43 mm) | |
| Resolution Array | 912 × 1140 | |
| Micromirror Pitch | 7.6 µm | |
| Micromirror Tilt Angle | ±12° | |
| Micromirror Crossover Time | 5 µs | |
| Window Transmission Efficiency | 96% (420 to 700 nm, single pass) | |
| Array Fill Factor | 92% (nominal) | |
| Input Data Bus | 24-Bit, Double Data Rate (DDR) | |
| Input Data Clock Rate | 80 MHz to 120 MHz | |
| Operating Temperature Range | -10°C to +70°C | |
| Package Footprint | 9.1 mm × 20.7 mm | |
| Package Type | CLGA (FQE) with 80 pins |
Key Features
- 0.45-inch diagonal micromirror array with 912 × 1140 resolution array (>1 million micromirrors)
- Diamond array orientation supporting side illumination for simplified and efficient optics designs
- Capable of WXGA resolution display (1280 x 800)
- Polarization-independent aluminum micromirrors
- Highly efficient steering of visible light with 96% window transmission efficiency (420 to 700 nm, single pass)
- Integrated micromirror driver circuitry
- Binary pattern rates up to 4 kHz and pattern sequence mode for control over each micromirror in the array
- Dedicated DLPC350 controller for reliable operation
- Compact 9.1 mm × 20.7 mm package footprint suitable for portable instruments
- FQE package with simple connector interface and FQD package with enhanced thermal interface
Applications
- Machine vision: 3D depth measurement, robotic guidance, inline surface inspection, pick and place, 3D capture, defect rejection
- Medical instruments: 3D dental scanners, vascular imaging
- 3D biometrics: fingerprint identification, facial recognition
- Augmented reality and interactive display
- Microscopes and spectroscopy
- Automated fingerprint identification and face recognition
- Virtual gauges and information overlay
- Chemical analyzers and photo-stimulation
Q & A
- What is the DLP4500AFQE?
The DLP4500AFQE is a 0.45-inch WXGA Digital Micromirror Device (DMD) produced by Texas Instruments, designed as a spatial light modulator (SLM) to steer visible light and create patterns with high speed, precision, and efficiency.
- What is the resolution of the DLP4500AFQE?
The DLP4500AFQE has a resolution array of 912 × 1140, which translates to over 1 million micromirrors.
- What is the micromirror pitch and tilt angle of the DLP4500AFQE?
The micromirror pitch is 7.6 µm, and the micromirror tilt angle is ±12° relative to the flat state.
- What is the window transmission efficiency of the DLP4500AFQE?
The window transmission efficiency is 96% (420 to 700 nm, single pass through two window surfaces).
- What are the key applications of the DLP4500AFQE?
The DLP4500AFQE is used in machine vision, medical instruments, 3D biometrics, augmented reality, interactive displays, microscopes, spectroscopy, and more.
- What is the operating temperature range of the DLP4500AFQE?
The operating temperature range is -10°C to +70°C.
- What package types are available for the DLP4500AFQE?
The DLP4500AFQE is available in CLGA (FQE) packages with 80 pins and also in FQD packages with enhanced thermal interfaces.
- What is the role of the DLPC350 controller in the DLP4500AFQE system?
The DLPC350 controller is dedicated to ensuring reliable operation of the DLP4500AFQE.
- What are the typical data rates supported by the DLP4500AFQE?
The DLP4500AFQE supports binary pattern rates up to 4 kHz and has a 24-Bit, Double Data Rate (DDR) input data bus with an input data clock rate of 80 MHz to 120 MHz.
- How does the DLP4500AFQE contribute to efficient optics designs?
The DLP4500AFQE features a diamond array orientation that supports side illumination, simplifying and optimizing optics designs.
