8.2 mm diagonal, approx. 1.34 effective megapixel SWIR image sensor
IMX990
4.1 mm diagonal, approx. 0.34 effective megapixel SWIR image sensor
IMX991
* IMX990 shown in both photos
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As manufacturers in various industries continue to seek higher productivity, there is growing interest in sensing both in the visible spectrum and beyond it, at SWIR wavelengths.
In IMX990 and IMX991, SenSWIR technology has enabled Sony to overcome challenges in pixel miniaturization to offer sensors that are compact, high-resolution, and capable of imaging from the visible spectrum to SWIR wavelengths. IMX990 and IMX991 are global shutter sensors with a digital output allowing for many features and functionality in industrial camera applications such as ROI and Trigger Mode
The advances in performance and functionality introduced by the IMX990 and IMX991 pave the way for the development of SWIR industrial cameras and inspection equipment for a diverse range of applications such as inspection, identification, and measurement.
* Sample shipments of IMX990-AABJ and IMX991-AABJ will begin in June 2020, followed in July 2020 by IMX990-AABA and IMX991-AABA (incorporating a thermoelectric cooling element).
Advantages of the sensors promise to expand SWIR sensing applications. The sensors' higher resolution offers higher inspection precision, and smaller cameras afford greater freedom in installation.
Inspection that once required multiple cameras to cover visible and SWIR wavelengths can now be performed with a single unit. Such broad coverage expands both the type of objects that can be inspected and the type of inspection available. System costs can be reduced, and faster image processing can increase throughput.
Unlike the analog output that most SWIR sensors are limited to, the sensors also feature digital output, for performance on the level of current industrial CMOS sensors. Analog sensors require developers to implement an ADC or other functionality for industrial equipment on the camera. In contrast, the new sensors already include this functionality, which saves time and effort in camera development and makes it easier to develop versatile cameras.
Item | IMX990- AABA-C |
IMX990- AABJ-C |
IMX991- AABA-C |
IMX991- AABJ-C |
|
---|---|---|---|---|---|
Image size | 8.2 mm diagonal (1/2-inch type) | 4.1 mm diagonal (1/4-inch type) | |||
Effective pixels | 1296 (H) × 1032 (V), approx. 1.34 megapixels |
656 (H) × 520 (V), approx. 0.34 megapixels |
|||
Unit cell size | 5μm(H)×5μm(V) | ||||
Optical black | Horizontal direction | front 0 pixels, rear 96 pixels | |||
Vertical direction | front 12 pixels, rear 0 pixels | ||||
Input drive frequency | 37.125MHz/74.25MHz/54MHz | ||||
Power supply | Pixel | 2.2V、1.2V | |||
Analog | 3.3V、2.2V | ||||
Digital | 1.2V | ||||
Interface | 1.8V | ||||
Shutter mode | Global shutter | ||||
Output interface | SLVS(2ch/4ch) | ||||
Package | Thermoelectric cooling element |
Included | − | Included | − |
Dimensions | 30.0mm(H) × 30.0mm(V) |
20.0mm(H) × 16.8mm(V) |
30.0mm(H) × 30.0mm(V) |
20.0mm(H) × 16.8mm(V) |
Item | IMX990 | IMX991 | Notes |
---|---|---|---|
Sensitivity | 121mV | 121mV | F8、 1/30 sec. accumulation |
Saturation signal | 360mV | 360mV | |
Quantum efficiency | >75% | >75% | λ=1300nm |
Dark signal | 0.244mV | 0.244mV | 1/30 sec. accumulation |
Operability*1 | >99.5% | >99.5% |
*Measurement conditions: Tj=15°C, all-pixel readout mode
*1:Operability: percentage of pixels free of defects
Relative quantum efficiency of IMX990/IMX991
* Data may vary depending on conditions and the environment.
Model | Drive mode | Recommended recording pixels |
ADC [bit] |
Frame rate (max.) [fps] |
---|---|---|---|---|
IMX990 | All-pixel readout | 1280(H)×1024(V) | 8 | 130 |
10 | 120 | |||
12 | 70 | |||
IMX991 | All-pixel readout | 640(H)×512(V) | 8 | 250 |
10 | 240 | |||
12 | 130 |
A wide-band and high-sensitivity SWIR image sensor technology implemented by the combination of compound semiconductor InGaAs photodiodes and Si readout circuits through Cu-Cu bonding.
*SenSWIR andare trademarks of Sony Corporation.
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Sony reserves the right to change products and specifications without prior notice.