Mini-spectrometer Micro series C12880MA Finger-tip sized, ultra-compact spectrometer head supporting high sensitivity and long wavelength region The C12880MA is a high-sensitivity, ultra-compact (finger-tip sized) spectrometer head that supports the long wavelength region (up to 850 nm). Hermetically sealed packaging provides improved humidity resistance. This product is suitable for integration into a variety of compact devices. Features Applications Finger-tip size: 20.1 12.5 10.1 mm Food inspection Weight: 5 g Biometry (POC) Spectral response range: 340 to 850 nm Tester for lights, LEDs, etc. High sensitivity Water quality control monitors and other environment measuring instruments Spectral resolution: 15 nm max. Various light level measurements Supports synchronized integration (electronic shutter function) Hermetic package: high reliability against humidity For integration into mobile measurement equipment 1 Wavelength conversion factors* are listed on final inspection sheet. *1: C onversion factors for converting the image sensor pixel number into a wavelength. A calculation factor for converting the A/D converted count into the input light level is not provided. Structure Parameter Specification Unit Image sensor High-sensitivity CMOS linear image sensor with slit - Number of pixels 288 pixels Pixel size (H V) 14 200 m 2 Slit* (H V) 50 500 m 3 NA* 0.22 - Dimensions (W D H) 20.1 12.5 10.1 mm Weight 5 g *2: Entrance slit aperture size *3: Numeric aperture (solid angle) Absolute maximum ratings (Ta=25 C unless otherwise noted) Parameter Symbol Condition Value Unit Supply voltage Vs max -0.3 to +6 V Clock pulse voltage V(CLK) -0.3 to +6 V Start pulse voltage V(ST) -0.3 to +6 V 4 Operating temperature Topr No dew condensation* +5 to +50 C 4 Storage temperature Tstg No dew condensation* -20 to +70 C *4: 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. 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. 1 www.hamamatsu.comMicro series Mini-spectrometer C12880MA Recommended terminal voltage (Ta=25 C) Parameter Symbol Min. Typ. Max Unit Supply voltage Vs 4.75 5 5.25 V High level 3 Vs Vs + 0.25 Clock pulse voltage V(CLK) V Low level 0 - 0.3 High level 3 Vs Vs + 0.25 Start pulse voltage V(ST) V Low level 0 - 0.3 Electrical characteristics Ta=25 C, Vs=5 V, V(CLK)=V(ST)=5 V Parameter Symbol Min. Typ. Max Unit Clock pulse frequency f(CLK) 0.2 - 5 MHz Video rate VR - f(CLK) - Hz 5 Output impedance* Zo - 150 - 6 Current consumption* I - 20 - mA *5: Video signal output terminal (10-pin) An increase in the current consumption at the video output terminal also increases the chip temperature and so causes the dark current to rise. To avoid this, connect a buffer amplifier to the video output terminal so that the current flow is minimized. *6: f(CLK)=5 MHz Electrical and optical characteristics Ta=25 C, Vs=5 V, V(CLK)=V(ST)=5 V Parameter Symbol Min. Typ. Max Unit - Conversion efficiency CE - 50 - V/e 7 Dark output voltage* Vd - 0.8 8.0 mV 8 Saturation output voltage* Vsat - 4.3 - V Readout noise Nr - 1.8 3.6 mV rms Output offset voltage Vo 0.3 0.5 0.9 V Spectral response range - 340 to 850 - nm Spectral resolution (FWHM) - - 12 15 nm 9 Wavelength reproducibility* r -0.5 - +0.5 nm Wavelength temperature Td -0.1 - +0.1 nm/C dependence 10 Spectral stray light* SL - - -25 dB *7: Integration time=10 ms *8: R elative value in reference to output offset voltage Vo Example: W hen output offset voltage Vo is 0.5 V and saturation output voltage Vsat is 4.3 V, the saturation voltage at the video signal output terminal is 4.8 V. *9: Measured under constant light input conditions *10: The ratio of the count measured when a light spectrum (655 nm) is input to the count measured at that wavelength 40 nm. 2