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InGaAs area image sensor
G17242-0808T
Wide spectral response range (0.9 μm to 2.15 μm),
Near infrared two-dimensional image sensor (320 × 256 pixels)
G17242/G17243-0808T are InGaAs area image sensors designed for near infrared hyperspectral imaging.
InGaAs chips with different cutoff wavelengths are arranged in parallel with high accuracy to achieve high S/N over a wide spectral response range. It uses a hybrid structure consisting of a CMOS readout circuit (ROIC: readout integrated circuit) and back-illuminated InGaAs photodiodes. Each pixel is made up of an InGaAs photodiode and a ROIC electrically connected by indium bump. The timing generator in the ROIC provides an analog video output which is obtained by just supplying digital inputs.
Features
- Dynamic range: 3500
- 4-port analog output
- Frame rate: 503 frames/s max. (All-line readout mode, integration time=1.98 ms, in IWR operation)
- Low dark current
- Operation of integrate while readout function and integrate then readout function can be done
- Multi-line readout function
- Simple operation (built-in timing generator)
- Three-stage TE-cooled type
| Image size | 6.40 mm × 2.48 mm (1.7 μm area) 6.40 mm × 2.48 mm (2.2 μm area) |
|---|---|
| Pixel size | 20 μm × 20 μm |
| Pixel pitch | 20 μm |
| Number of effective pixels | 320 × 248 |
| Package | Metal |
| Cooling | Three-stage TE-cooled |
| Frame rate (max.) | 503 frames/s |
| Spectral response range | 900 nm to 1650 nm (1.7 μm area) 1300 nm to 2150 nm (2.2 μm area) |
| Peak sensitivity wavelength (typ.) | 1550 nm (1.7 μm area) 1950 nm (2.2 μm area) |
| Dark current (typ.) | 0.01 pA (1.7 μm area) 3.0 pA (2.2 μm area) |
| Measurement condition | Ta=25 ℃, Tchip=-20 ℃, Vdd1=5.0 V, Vdd2=3.3 V, Vpdn=3.18 V, Vinp=3.1 V, Vrst=1.7 V, fop=50 MHz |
Spectral response
Dimensional outline (unit: mm)
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