InGaAs linear image sensor
The G11135 series InGaAs linear image sensors designed for foreign object inspection equipment. These linear image sensors
consist of an InGaAs photodiode array and CMOS chip that contains a charge amplifi er array, an offset compensation circuit,
a shift register, and a timing generator. The InGaAs photodiode array and the CMOS chip are electrically connected by indium
The charge amplifier array is made up of CMOS transistors connected to each pixel of the InGaAs photodiode array. Signals from each pixel are read out in charge integration mode to achieve high sensitivity and stable operation in the near infrared spectral range.
The signal processing circuit on the CMOS chip offers two levels of conversion efficiency (CE) that can be selected by the external voltage to meet the application.
|Image size||12.8 x 0.050 mm|
|Pixel size||50 x 50 μm|
|Pixel pitch||50 μm|
|Number of total pixels||256 pixels|
|Line rate (max.)||14000 lines/s|
|Spectral response range||950 to 1700 nm|
|Dark current (max.)||2.5 pA|
|Measurement condition||Typ. Ta=25 ℃, unless otherwise noted|
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