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A 316MP, 120FPS, High Dynamic Range CMOS Image Sensor for Next Generation Immersive Displays
Abhinav Agarwal1, Jatin Hansrani1, Sam Bagwell1
1Forza Silicon (AMETEK Inc.), Pasadena, CA 91107, USA.
Sensors (Basel, Switzerland)
|October 28, 2023
Summary
This study introduces a large, high-resolution CMOS image sensor enabling high-speed, high dynamic range imaging. This advanced sensor technology offers significant improvements for demanding imaging applications.
Area of Science:
- Electrical Engineering
- Computer Engineering
- Materials Science
Background:
- High-performance image sensors are crucial for advanced imaging systems.
- Existing sensors often face limitations in resolution, speed, or dynamic range.
Purpose of the Study:
- To develop and characterize a novel 2D-stitched, 316-megapixel CMOS image sensor.
- To achieve high frame rates and high dynamic range in a single sensor.
Main Methods:
- Fabrication of a large die (9.92 cm × 8.31 cm) using a 65 nm, 4 metal Back-Side Illumination (BSI) process.
- Integration of 92 CML output ports for high data rates.
- Utilizing a 4.3 µm dual-gain pixel architecture.
Main Results:
- Achieved a resolution of 316 megapixels operating at 120 frames per second (FPS).
- Demonstrated a cumulative data rate of 515 Gbit/s with 23 W power consumption.
- Attained a composite dynamic range of 87 dB with low temporal noise (1.8e-).
Conclusions:
- The developed CMOS image sensor pushes the boundaries of resolution, speed, and dynamic range.
- This technology is suitable for applications requiring high-fidelity imaging under diverse conditions.
- The sensor's performance validates the 2D-stitching and dual-gain pixel design.
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