Photosensors with front-end IC S15597-01CT, S15658-01CT
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Catalog excerpts

Photosensors with front-end IC S15597-01CT, S15658-01CT - 1

Photosensors with front-end IC S15597-01CT S15658-01CT Compact APD suitable for various light level detection The S15597-01CT and S15658-01CT are compact optical devices that integrate a Si APD and a preamp. They have a builtin DC feedback circuit for reducing the effects of background light. They also provide excellent noise and frequency characteristics. We provide an evaluation kit for these products. Contact us for detailed information. High-speed response Distance measurement Two-level gain switch function (low gain: single output, high gain: differential output) Reduced background light effects Small waveform distortion when excessive light is incident Driver circuit Structure Parameter Detector Photosensitive area size*1 Package Seal material ϕ0.5 Glass epoxy Silicone resin *1: Photosensitive area in which a typical gain can be obtained Absolute maximum ratings Parameter Supply voltage (for preamp) Reverse voltage (for APD) Reverse current (DC) Forward current DCFB terminal voltage Gain terminal voltage Operating temperature Storage temperature Soldering temperature*3 Symbol Condition Vcc max V_APD IR max IF max Topr No dew condensation*2 Tstg No dew condensation*2 Tsol *2: When there is a temperature difference between a product and the surrounding area in high humidity environment, dew condensation may occur on the product surface. Dew condensation on the product may cause deterioration in characteristics and reliability. *3: Reflow soldering, IPC/JEDEC J-STD-020 MSL 4, see P.8 Note: Exceeding the absolute maximum ratings even momentarily may cause a drop in product quality. Always be sure to use the product within the absolute maximum ratings.

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Photosensors with front-end IC S15597-01CT, S15658-01CT - 2

Photosensors with front-end IC Electrical and optical characteristics (Ta=25 °C) Parameter Supply voltage Spectral response range Peak sensitivity wavelength Vcc1, Vcc2 λ λp M=100 λ=905 nm, M=100 Low gain S λ=905 nm, M=100 High gain ID=100 μA VBR Photosensitivity Breakdown voltage Temperature coefficient of breakdown voltage Low gain High gain Low gain fcl High gain Low gain fch High gain f=20 MHz, M=100 VON High gain Low gain High gain Voffset High gain Low gain Vp-p max High gain Ic Low cutoff frequency High cutoff frequency Output noise voltage Output voltage level Output offset voltage...

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Photosensors with front-end IC S15597-01CT, S15658-01CT - 3

Photosensors with front-end IC Spectral response Quantum efficiency vs. wavelength (Ta=25 °C, M=100, λ=905 nm) Quantum efficiency (%) Dark current vs. reverse voltage Gain vs. reverse voltage Dark current

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Photosensors with front-end IC S15597-01CT, S15658-01CT - 4

Photosensors with front-end IC Frequency characteristics (typical example) S15597-01CT Gain [relative value] (dB) Gain [relative value] (dB) Output noise vs. frequency (high gain, typical example) Current consumption vs. ambient temperature (typical example) High gain

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Photosensors with front-end IC S15597-01CT, S15658-01CT - 5

Photosensors with front-end IC Truth table Gain Setting 0 1 Gain Low gain (× 1) High gain (× 20) DC feedback circuit Setting 0 1 Background light elimination function OFF ON Note: The pull-up resistor of the digital input terminal is 10 kΩ. Block diagram V_APD The DCFB (DC feedback) circuit detects the DC component of photocurrent, and reduces the effects of background light through the differential processor. KPICC0285ED

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Photosensors with front-end IC S15597-01CT, S15658-01CT - 6

Photosensors with front-end IC Output waveform examples (Ta=25 °C, input pulse width=5 ns) S15597-01CT (High gain, incident light level=50 nW) (Low gain, incident light level=1 μW) S15658-01CT (High gain, incident light level=50 nW) (Low gain, incident light level=1 μW)

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Photosensors with front-end IC S15597-01CT, S15658-01CT - 7

Photosensors with front-end IC Dimensional outline (unit: mm) Pin connections Function DCFB Out1 Out2 GND GND Gain Vcc2 Photosensitive surface Torelance unless otherwise noted: ±0.2 Chip position accuracy with respect to package dimensions marked* X, Y≤±0.2 Au electrodes Recommended land pattern (unit: mm) Index mark Torelance unless otherwise noted: ±0.1 KPICC0364EA Connection example (50 Ω system) V_APD When using the photosensor with front-end IC in a 50 Ω system, connect resistors with the same resistance (200 Ω in the above figure) to output loads Out1 and Out2. If resistors with the...

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Photosensors with front-end IC S15597-01CT, S15658-01CT - 8

Photosensors with front-end IC Handling of temperature characteristics of APD gain The gain of the APD built into the photosensor with front-end IC varies depending on the temperature. The following two methods are available for handling this issue in using the sensor over a wide temperature range. Temperature correction method, which controls the reverse voltage according to the temperature change A thermistor or other temperature sensor is installed near the APD to measure the APD’s temperature. The reverse voltage after APD temperature correction is expressed by the following equation...

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Photosensors with front-end IC S15597-01CT, S15658-01CT - 9

Photosensors with front-end IC Reel packing specifications Reel (conforms to JEITA ET-7200) Outer diameter ϕ254 mm Electrostatic characteristics Conductive Embossed tape (unit: mm, material: PS, conductive) Packing quantity 1000 pcs/reel Packing state Reel and desiccant in moisture-proof packing (vacuum-sealed) Related information www.hamamatsu.com/sp/ssd/doc_en.html Precautions ∙ Disclaimer ∙ Surface mount typ

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Photosensors with front-end IC S15597-01CT, S15658-01CT - 10

Photosensors with front-end IC Evaluation kits for photosensor with front-end IC C16188-03, C16189-03 Evaluation kits [48 × 50 (H × V) mm] for photosensors with front-end IC are available [C16188-03 (with S15597-01CT), C16189-03 (with S15658-01CT)]. Contact us for detailed information. Accessories ∙ IC power cable ∙ APD power cable Information described in this material is current as of December 2021. Product specifications are subject to change without prior notice due to improvements or other reasons. This document has been carefully prepared and the information contained is believed to...

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