PHOTO IC Photo IC for photometry S6446 series, S6975 Photo IC incorporating a dual-element photodiode and log amp S6446 series and S6975 are designed for camera exposure meters. These photo ICs consist of a dual-element (ball-in-box) photodiode and an IC integrating a logarithmic amplifier circuit and a thermosensor, etc. Features Applications l Photometry in central and peripheral areas l Clear miniature plastic package (4.5 x 5.5 mm) l Low noise l Built-in thermosensor l S6446-20: With visual-compensation filter l S6975: Large photometric output change l Camera auto exposure meter l Various photometric applications (Logarithmic amplifier gain is 1.5 times larger than S6446.) Absolute maximum ratings (Ta=25 C) Parameter Supply voltage POC terminals Input voltage Other terminals Operating temperature Storage temperature Soldering Symbol Vcc Vin Topr Tstg - Recommended operating conditions Parameter Value -0.3 to +7 -0.3 to Vcc+0.3 Do not input voltage -20 to +60 -30 to +80 230 C, 3 s Symbol Supply voltage Vcc Operating temperature Topr Optical characteristics (Ta=25 C) Parameter Symbol Spectral response range Peak sensitivity wavelength p Short circuit current Isc S6446/-20 3.0 to 3.5 4.5 to 5.5 Condition *1 *1 Center Peripheral 100 lx , A light source Center *1 Peripheral Symbol Unit 4.5 to 5.5 V C Min. - Condition Typ. 320 to 1100 320 to 730 960 560 250 2.5 22 220 Max. - Unit nm nm nA A nA nA Min. Typ. Max. Unit Terminal Vrf4 -30 - 30 mV VR - 17.8 - mV/C TO - 2500 2900 3000 3100 - ppm/C PO Output voltage S6446/-20: 500 mV, S6975: 780 mV Output voltage S6446/-20: 1000 mV, S6975: 1550 mV Output voltage S6446/-20: 1500 mV, S6975: 2300 mV Output voltage S6446/-20: 2000 mV, S6975: 3100 mV *1: When used with a standard visual compensation filter (0.5 mm thick) *2: S6446/-20: Vcc=3.2 V, S6975: Vcc=5.0 V Output voltage temperature coefficient S6975 -15 to +40 Temperature characteristics * 2 (Ta= -15 to +40 C, based on a value at 25 C) Parameter Terminal voltage change Output voltage temperature coefficient Unit V V C C - Photo IC for photometry Electrical and optical characteristics *3 (Ta=25 C) Symbol Parameter S6446/-20 S6975 Unit Min. Typ. Max. Min. Typ. Max. Condition Vcc=6.5 V, 100 lx , A light source *4 Current consumption Icc H Input voltage VIH L Input voltage VIL L Input current Terminal voltage IIL Vrf Load regulation Vrf Output voltage VTO - 3.5 6.0 - 3.5 6.0 Vcc x 0.7 - - Vcc x 0.7 - - VIN=0 V Load current 0 to 2 mA (with respect to 0.5 mA) -12 Equivalent circuit Vcc POC 7 1 + + - 8 2 PO + + - + - VF 100 kW 5 + 27 kW 6 VR 3 4 GND mA V Vcc x Vcc x 0.3 0.3 -220 -110 -52 -333 -167 -83 A 2.05 2.20 2.35 3.25 3.5 3.75 V 1.2 RL=100 k Load regulation -10 VTO (with respect to no load) 100 lx , POC terminal VPOS 1229 open A light source, Output voltage 1 VF terminal POC terminal VPOA 963 resistance 47 k, *4 GND Time required to reach within Output voltage 1 specified VPOA value after open ts switching response POC terminal is set to GND level Output voltage 1 RL=100 k -10 VPO1 load regulation (with respect to no load) 140 VPO2 VF terminal resistance 27 k Output voltage 1 change -270 VPO3 VF terminal resistance 100 k Difference between output voltage Output change 1 521 VPO4 at 1 lx and output voltage 1, *" Difference POC terminal 769 between output open Output change 2 VPO5 voltage at 0.1 lx POC terminal and output 793 4 GND voltage 1, * Time required to reach within Power supply response tp specified VPO5 value after power is turned on *3: S6446/-20: Vcc=3.2 V, S6975: Vcc=5.0 V *4: When used with a standard visual compensation filter (0.5 mm thick) 9 S6446 series, S6975 TO KPICC0011EB - 12 -12 - 12 mV - 1.68 1.2 - 1.68 V - 10 -10 - 10 mV 1369 1509 1912 2130 2348 1103 1243 1498 1715 1933 Terminal Vcc POC Output switching VR Reference voltage TO Thermosensor mV - 5 - - 5 ms - 10 -10 - 10 mV 170 270 218 265 420 PO mV Photometric -170 -140 -420 -265 -218 output 545 569 791 828 865 mV 865 1167 817 1317 1242 841 1205 - 80 - mV 1279 - 80 ms Photo IC for photometry S6446 series, S6975 Photometric output vs. illuminance S6446 series 5 S6975 (Typ. Ta=25 C, "A" light source, used with a standard visual compensation filter, terminal resistance 47 k, Vcc=5.0 V) 5 4 OUTPUT VOLTAGE (V) OUTPUT VOLTAGE (V) 4 3 CENTER 2 1 0 -2 10 (Typ. Ta=25 C, "A" light source, used with a standard visual compensation filter, terminal resistance 47 k, Vcc=5.0 V) -1 0 10 2 PERIPHERAL 1 PERIPHERAL 10 CENTER 3 1 10 2 10 3 10 4 10 5 10 0 -3 10 10-2 10-1 100 101 102 103 104 105 ILLUMINANCE (lx) ILLUMINANCE (lx) KPICB0044EA KPICB0045EA Photo IC for photometry S6446 series, S6975 Dimensional outlines (unit: mm) S6446, S6975 4.6 0.2 (INCLUDING BURR) 2.0 0.5 0.4 0.2 4.5 1.5 0.4 1.5 0.4 7.5 0.3 0.7 0.3 0.7 0.3 0.1 0.25 5 3 5.5 3 5.4 10 0.89 1.5 0.2 1.8 5.6 0.2 (INCLUDING BURR) 0.40 1.0 1.2 2-ELEMENT PHOTODIODE 0.7 0.15 CATHODE CATHODE GND TO (THERMOSENSOR) VF (PHOTOMETRIC OUTPUT ADJUSTMENT) VR (REF VOLTAGE OUTPUT) POC (SELECTS CENTRAL ELEMENT WHEN "H" OR OPEN) PO (PHOTOMETRIC OUTPUT) Vcc NC Tolerance unless otherwise noted: 0.1, 2 Shaded area indicates burr. KPICA0013EB S6446-20 4.5 1.5 0.4 1.5 0.4 7.5 0.3 0.7 0.3 5 3 0.1 0.25 0.7 0.3 2.0 3 5.5 1.0 10 0.89 1.5 0.2 1.8 VISUAL COMPENSATION FILTER (2.6 x 3.9 x 0.5) 5.4 0.40 0.4 0.2 1.2 2-ELEMENT PHOTODIODE 0.5 5.6 0.2 (INCLUDING BURR) 4.6 0.2 (INCLUDING BURR) 0.7 0.15 CATHODE CATHODE GND TO (THERMOSENSOR) VF (PHOTOMETRIC OUTPUT ADJUSTMENT) VR (REF VOLTAGE OUTPUT) POC (SELECTS CENTRAL ELEMENT WHEN "H" OR OPEN) PO (PHOTOMETRIC OUTPUT) Vcc NC Tolerance unless otherwise noted: 0.1, 2 Shaded area indicates burr. KPICA0041EA 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. (c)2001 Hamamatsu Photonics K.K. HAMAMATSU PHOTONICS K.K., Solid State Division 1126-1 Ichino-cho, Hamamatsu City, 435-8558 Japan, Telephone: (81) 053-434-3311, Fax: (81) 053-434-5184, 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.: 8, 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: Smidesvagen 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 Cat. No. KPIC1017E02 Apr. 2001 DN