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ISL29011 Datasheet(PDF) 12 Page - Intersil Corporation |
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ISL29011 Datasheet(HTML) 12 Page - Intersil Corporation |
12 / 15 page 12 FN6467.2 May 14, 2009 Typical Performance Curves VSUP (VDDD, VDDA) = 3V, REXT = 499kΩ FIGURE 5. SPECTRUM OF FOUR LIGHT SOURCES FIGURE 6. SPECTRAL RESPONSE FOR AMBIENT LIGHT SENSING AND PROXIMITY SENSING FIGURE 7. RADIATION PATTERN FIGURE 8. SENSITIVITY TO THREE LIGHT SOURCES FIGURE 9. ADC OUTPUT vs DISTANCE WITH DIFFERENT OBJECTS IN PROXIMITY SENSING FIGURE 10. ADC OUTPUT vs DISTANCE WITH DIFFERENT LED CURRENT AMPLITUDES IN PROXIMITY SENSING 0 0.2 0.4 0.6 0.8 1.0 1.2 300 400 500 600 700 800 900 1000 1100 WAVELENGTH (nm) SUN INCANDESCENT HALOGEN FLUORESCENT -0.2 0 0.2 0.4 0.6 0.8 1.0 1.2 300 400 500 600 700 800 900 1000 1100 WAVELENGTH (nm) HUMAN EYE RESPONSE AMBIENT LIGHT SENSING IR AND PROXIMITY SENSING RADIATION PATTERN LUMINOSITY ANGLE RELATIVE SENSITIVITY 90° 80° 70° 60° 50° 40° 30° 20° 10° 0° 10° 20° 30° 40° 50° 60° 70° 80° 90° 0.2 0.4 0.6 0.8 1.0 0 100 200 300 400 500 600 700 800 900 1000 0 100 200 300 400 500 600 700 800 900 1000 LUX METER READING (LUX) INCANDESCENT HALOGEN FLUORESCENT VDD = 3V RANGE = 1000 LUX 16-BIT ADC 0 32768 65535 1000 LUX Ecal = 216 x DATA 1 10 100 1000 10000 0 20406080 100 DISTANCE (mm) 92% BRIGHTNESS PAPER 18% GRAY CARD ESD BLACK FOAM 0 500 1000 1500 2000 2500 3000 3500 4000 4500 0 102030 405060 708090 DISTANCE (mm) IIRLED = 100mA IIRLED = 50mA IIRLED = 25mA IIRLED = 12.5mA ISL29011 |
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