Koheron PDX10S-SI is a Si free-space photodetector with 5 kV/A transimpedance gain and 50 MHz bandwidth. With a noise-equivalent power spectral density of 4 pW/√Hz at 800 nm and up to 8 V DC output voltage, the PDX10S-SI is the perfect candidate for applications requiring high dynamic range.
|Detector type||Si PIN photodiode|
|Photodiode active diameter||800 µm|
|Wavelength range||320 - 1000 nm|
|Small signal bandwidth||0 - 50 MHz at 3 dB|
|Optical input power||0 - 3 mW|
|Photodiode peak responsivity (800 nm)||0.55 A / W|
|Power supply (positive)||10.5 - 13 VDC|
|Power supply (negative)||-9 to -4 VDC|
|Transimpedance gain||5 kV / A|
|Output voltage range||0 - 8.0 V|
|Noise Equivalent Power||4 pW / √Hz (at 1 MHz)|
|Output impedance||50 Ω|
|Quiescent current||38 mA per rail|
|Outside Dimensions||49 mm x 40 mm x 18 mm|
|Output||SMA female connector|
|Operating temperature||0 °C - 50 °C|
Output power spectral density
The power spectral density of the PDX10S-5-DC-SI output was measured for different incident optical powers. Optical source is a 810 nm LED driven by a Koheron DRV110-A-375 laser driver. Power spectrum is measured using the Koheron ALPHA250 FFT analyzer.
Small signal frequency response
Small signal bandwidth is 50 MHz at 3 dB.
Noise equivalent power
The figure below shows the noise-equivalent power spectral density at a wavelength of 810 nm.
|Country of Origin||France|