PHOTODIODE Si PIN photodiode S8594 Quadrant photodiode with slit mask for encoder S8594 is a quadrant photodiode array with a slit mask (code strip) formed on the Si chip surface. Features Applications l Quadrant photodiode with slit mask of L/S (Line/Space)=10/10 µm l Uses a light-shielded, non-reflective black slit l Active area: 5 mm/4 elements (element gap: 50 µm) l Bare chip type (window-less) l Encoder o ■ Absolute maximum ratings (Ta=25 °C) Parameter Reverse voltage Operating temperature Storage temperature * No condensation Symbol VR Max. Topr Tstg Value 30 0 to +60 * 0 to +80 * Unit V °C °C ■ Electrical and optical characteristics (Ta=25 °C, per 1 element) Parameter Spectral response range Peak sensitivity wavelength Photo sensitivity Dark current Terminal capacitance Cut-off frequency Symbol l lp S ID Ct fc Condition l=lp VR=10 V VR=10 V, f=1 MHz VR=10 V, RL=50 W l=780 nm, -3 dB Min. 0.60 - Typ. 320 to 1100 960 0.72 0.3 10 Max. 2.0 - Unit nm nm A/W nA pF - 25 - MHz S8594 uses a window-less package with no protection for the photodiode chip. Always take the following precautions when handling. ■ Handling precautions ● Handle the photodiode in a clean room. ● Never touch the photodiode chip surface and wire bonding. ● Wear dust-proof gloves and dust-proof mask. ● Use an air dust cleaner to blow dust and foreign matter away from the photodiode chip surface. ● Do not clean the photodiode by any method other than air blow. 1 Si PIN photodiode ■ Spectral response ■ Photo sensitivity temperature characteristic (Typ. Ta=25 ˚C) 0.6 0.5 0.4 0.3 0.2 0.1 0 200 400 600 800 1 nA +1.0 +0.5 400 600 800 0.1 ■ Terminal capacitance vs. reverse voltage 1 10 100 REVERSE VOLTAGE (V) KMPDB0123EA KMPDB0189EA KMPDB0184EA ■ Photo sensitivity uniformity [Slit (light-shielded black mask): L/S=10 µm, λ=830 nm, spot light size (1/e2): φ7 µm] (Typ. Ta=25 ˚C, f=1 MHz) 100 pF OUTPUT TERMINAL CAPACITANCE 1 pA 0.01 1000 WAVELENGTH (nm) WAVELENGTH (nm) 1 nF 100 pA 10 pA 0 -0.5 190 1000 (Typ. Ta=25 ˚C) 10 nA DARK CURRENT PHOTO SENSITIVITY (A/W) 0.7 ■ Dark current vs. reverse voltage (Typ. ) +1.5 TEMPERATURE COEFFICIENT (%/˚C) 0.8 S8594 10 pF 1 pF 100 fF 0.1 1 10 100 0 0.5 1 1.5 2 REVERSE VOLTAGE (V) POSITION ON PHOTOSENSITIVE SURFACE (mm) KMPDB0185EA KMPDB0186EA ■ Dimensional outline ( , (unit: ) mm) ANODE ELECTRODE 0.14 0.015 8.8 ± 0.2 1.27 Package burr may extend to the outside a maximum of 0.3 mm. d b c 0.03 a 0.03 0.01 0.05 ANODE b NC CATHODE COMMON NC ANODE c ANODE d NC NC NC ANODE a 0.01 2.5 (10 ×) 0.6 SLIT L/S=0.01/0.01 DETAILS OF ACTIVE AREA 5.0 0.46 1.26 ± 0.15 1.5 1.5 PHOTOSENSITIVE SURFACE 0.01 10.6 ± 0.2 0.01 (4 ×) R0.3 ACTIVE AREA 0.05 SLIT L/S=0.01/0.01 KMPDA0138EA Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications are subject to change without notice. No patent rights are granted to any of the circuits described herein. ©2002 Hamamatsu Photonics K.K. HAMAMATSU PHOTONICS K.K., Solid State Division 1126-1 Ichino-cho, Higashi-ku, Hamamatsu City, 435-8558 Japan, Telephone: (81) 53-434-3311, Fax: (81) 53-434-5184, http://www.hamamatsu.com U.S.A.: Hamamatsu Corporation: 360 Foothill Road, P.O.Box 6910, Bridgewater, N.J. 08807-0910, U.S.A., Telephone: (1) 908-231-0960, Fax: (1) 908-231-1218 Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49) 08152-3750, Fax: (49) 08152-2658 France: Hamamatsu Photonics France S.A.R.L.: 19, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: 33-(1) 69 53 71 00, Fax: 33-(1) 69 53 71 10 United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road, Welwyn Garden City, Hertfordshire AL7 1BW, United Kingdom, Telephone: (44) 1707-294888, Fax: (44) 1707-325777 North Europe: Hamamatsu Photonics Norden AB: Smidesvägen 12, SE-171 41 Solna, Sweden, Telephone: (46) 8-509-031-00, Fax: (46) 8-509-031-01 Italy: Hamamatsu Photonics Italia S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: (39) 02-935-81-733, Fax: (39) 02-935-81-741 2 Cat. No. KMPD1054E01 Jan. 2002 DN