InGaAs area image sensor
The G13441-01 has a hybrid structure consisting of a CMOS readout circuit (ROIC: readout integrated circuit) and back-illumi-nated 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 and AD-TRIG output which are obtained by just supplying digital inputs.The G13441-01 has 192 × 96 pixels arrayed at a 50 μm pitch. Light incident on the InGaAs photodiodes is converted into elec-trical signals which are then input to the ROIC through indium bumps. Electrical signals in the ROIC are converted into voltage signals and then sequentially output from the video line by the shift register. The G13441-01 is hermetically sealed in a metal package together with a two-stage thermoelectric cooler to deliver stable operation.
|Spectral response range||1300 to 2150 nm|
|Peak sensitivity wavelength (typ.)||1950 nm|
|Image size||9.6 × 4.8 mm|
|Pixel size||50 × 50 μm|
|Pixel pitch||50 μm|
|Number of total pixels||192 × 96 pixels|
|Frame rate (max.)||867 frames/s|
|Dark current (typ.)||30 pA|
|Measurement condition||Ta=25 ℃, Td=-20℃, Vdd=5 V, Vb1=0 V, PD_bias=4.2 V|
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