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SFH-7741 数据表(PDF) 4 Page - OSRAM GmbH |
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SFH-7741 数据表(HTML) 4 Page - OSRAM GmbH |
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4 / 17 page ![]() 2010-02-04 4 Version 1.0 SFH 7741 Characteristics (TA = 25 °C) Kennwerte Parameter Symbol Values Unit Bezeichnung Symbol Werte Einheit Minimum required supply voltage for start-up Minimale Betriebsspannung für Startphase (Fig.: Start-up Sequence) (min) (max) Vdd, start Vdd, start 0.8 2 V V Start-up time Länge der Startphase (Fig.: Start-up Sequence) (min) (typ) (max) tstart tstart tstart 60 90 120 ms ms ms Measurement refresh time Mess-Wiederholzeit (Fig.: Timing Diagram) (min) (typ) (max) trefresh trefresh trefresh 60 90 120 ms ms ms LED "ON" time LED „An” Zeit (Fig.: Timing Diagram) (min) (typ) (max) tpulse tpulse tpulse 30 45 60 μs μs μs Operating distance Schaltabstand (RProg = 470 Ω, Vdd = 3 V, KODAK White Paper R = 90 %) (typ) d 30 mm Mean current consumption 3) page 16 Mittlere Stromaufnahme 3) Seite 16 (RProg = ∞, Vdd = 3 V) (typ) (max) Idd, mean Idd, mean 25 50 μA μA Maximum current consumption Maximale Stromaufnahme (RProg = ∞, Vdd = 3 V) (typ) (max) Idd, max Idd, max 10 20 mA mA Mean current consumption 3) page 16 Mittlere Stromaufnahme 3) Seite 16 (RProg = 470 Ω, Vdd = 3 V) (typ) (max) Idd, mean Idd, mean 45 75 μA μA Maximum current consumption Maximale Stromaufnahme (RProg = 470 Ω, Vdd = 3 V) (typ) (max) Idd, max Idd, max 50 65 mA mA Output leakage current "high" Ausgangsleckstrom „high” (DVdd = 2.2 V) (typ) (max) IOUT high IOUT high 5 400 nA nA Output voltage "low" Ausgangsspannung „low” (DVdd = 2.2 V, Rpullup = 270 Ω) (typ) (max) VOUT low VOUT low 0.1 0.5 V V Wavelength of max. sensitivity Wellenlänge der max. Fotoempfindlichkeit (typ) λS, max 880 nm |
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