New Product Guide Current Linear Output Photo-IC TPS820 Outline Optical and Electri The TPS820 is a linear output photo-IC (current output type) which incorporates a photodiode and a current amp circuit in a single chip. The sensitivity is superior to that of a phototransistor and its illuminance output linearity is excellent; hence, it is ideal for use in the construction of a luminosity detector. This product is suitable for use in photo-electric switches since there is little fluctuation in its light current. Characteristics S Consumption Current Light Current (1) Light Current (2) Output Linearity Features IL Saturation Output Voltage A linear output photo-IC (current output type) which incorporates a photodiode and a current amp circuit in a single chip. External Appearance Dark Current Peak Sensitivity Wavelength Rise Time High sensitivity IL = 2.5 mA(typ.) @E = 0.1 mW/cm2 Fall Time Note2: The light used is a CIE standard A light s Little fluctuation in light current: x4 fluctuation Spectral Response Output linearity of illuminance is excellent. Low current consumption ICC = 1 µA(max) @VCC = 5 V Housed in compact side-view epoxy resin package (black package impermeable to visible light) The TPS820 is suitable for use in combination with the TLN117 infrared LED lamp whose package size is the same. Applications Copying machines, Printers, Facsimiles Photo-electric switches Luminosity adjustment for various types of equipment Light Current vs. R Maximum Rating (Ta = 25˚C) Symbol Rating Unit Supply Voltage VCC -0.5 ~ 7 V Output Voltage VO ≤ VCC V Light Current IL 10 mA Allowable Power Dissipation P 250 mW Allowable Power Dissipation Dropped Ratio (Ta ≥ 25˚C) P/ ˚C -3.33 mW/ ˚C Operating Temperature Topr -25 ~ 85 ˚C Storage Temperature Tstg -40 ~ 100 ˚C Soldering Temperature (5s, Note1) Tsol 260 ˚C Note1: Soldering is performed 1.3 mm from the bottom of the resin package. Light Current I L(µA) Characteristics 1 Optical and Electrical Characteristics (Ta = 25˚C, VCC = 5V) Symbol Test Condition Min Consumption Current ICC E = 0, IL pin kept open. Light Current (1) IL(1) E = 0.01 mW/cm2 (Note2) Light Current (2) IL(2) E = 0.1 mW/cm2 (Note2) Output Linearity IL(2) / IL(1) Typ. Max Unit 0.017 1 µA 100 250 400 µA 1 2.5 4 mA 8 10 12 2.8 ± 0.1 (7°) (5°) 2 4.2 V 0.5 Dark Current ID Peak Sensitivity Wavelength λp Rise Time tr VOUT = 2.5 V 250 Fall Time tf RL = 10 kΩ 700 E=0 870 Note2: The light used is a CIE standard A light source (a standard tungsten bulb with a color temperature of 2856K) 1.25 ± 0.1 4.1 RL = 10 kΩ µA nm µs (5°) +0 3.0 - 0.2 (2.75) VOUT (5° +0 1.8 - 0.2 (5°) 4.0 ± 0.1 Saturation Output Voltage E = 0.1 mW/cm (Note2) (7°) 2(C Characteristics Package Dimensions Spectral Response (1.32) Spectral Response (Typ.) 100 Relative Sensitivity (%) Ta = 25˚C 80 60 (1.27) (1.27) 40 1 3 20 0 0 200 400 600 800 1000 1200 Wavelength λ (nm) 10000 Circuit Diagram TPS820 Light Current vs. Radiant Illuminance Darlington transistor 1000 Light Current I L(µA) 2 TPS820 Current amp circuit 100 10 Single transistor 1 0.1 0.001 0.01 0.1 Radiant illuminance E (mW/cm2) 1 Photodiode Package Dimensions 2.8 ± 0.1 (7°) (7°) (5°) Pin connection: 1. GND 2. OUT 3. VCC (7°) (5°) 0.1 (7°) .7 R0 (0.5) 15min. 1.57 ± 0.1 (5°) 4.0 ± 0.1 (2.75) 5± (1.32) 0.4 ± 0.1 (2.5) +0 3.0 - 0.2 +0 3.0 - 0.2 2.2 ± 0.1 (1.2) 1.0 ± 0.1 (1.3) (5°) 5) 1.25 ± 0.1 +0 1.8 - 0.2 2(C 0. (5°) (5°) 4.0 ± 0.1 Unit: mm ( ): Reference (1.27) (1.27) 1 2 3- 0.4 ± 0.1 (1.27) 3 Circuit Diagram Power supply line TPS820 3 VCC Current amp circuit Bypass capacitor (approx. 0.1µF) 2 To IC OUT (open-emitter output) Photodiode 1 GND RL Applications Copying machines Printers Facsimiles • Paper location detection • Toner density detection switches / • Photo-electric Luminosity adjustment Precautions • When this device is used in combination with an LED lamp, the lamp must be an infrared LED lamp. • To stabilize the power line, insert a bypass capacitor of up to 0.01 µF between Vcc and GND, close to the device. • When the power is turned on, the output value will fluctuate for 1 ms as the internal circuit stabilizes. 3684C-0006 PC-D5 OVERSEAS SUBSIDIARIES AND AFFILIATES Toshiba America Electronic Components, Inc. Toshiba Electronics Europe GmbH Headquarters-Irvine, CA 9775 Toledo Way, Irvine, CA 92618, U.S.A. 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