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TCS3771 Datasheet(PDF) 5 Page - ams AG |
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TCS3771 Datasheet(HTML) 5 Page - ams AG |
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5 / 33 page  TCS3771 COLOR LIGHT-TO-DIGITAL CONVERTER with PROXIMITY SENSING TAOS110A − MARCH 2011 4 r r Copyright E 2011, TAOS Inc. The LUMENOLOGY r Company www.taosinc.com Operating Characteristics, VDD = 3 V, TA = 255C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Active — LDR pulses off 235 330 IDD Supply current Wait mode 65 μA IDD Supply current Sleep mode — no I2C activity 2.5 10 μA V INT SDA output low voltage 3 mA sink current 0 0.4 V VOL INT, SDA output low voltage 6 mA sink current 0 0.6 V I LEAK Leakage current, SDA, SCL, INT pins −5 5 μA I LEAK Leakage current, LDR pin −10 +10 μA V SCL SDA input high voltage TCS37711 & TCS37715 0.7 VDD V VIH SCL, SDA input high voltage TCS37713 & TCS37717 1.25 V V SCL SDA input low voltage TCS37711 & TCS37715 0.3 VDD V VIL SCL, SDA input low voltage TCS37713 & TCS37717 0.54 V Optical Characteristics, VDD = 3 V, TA = 255C, GAIN = 16, ATIME = 0xF6 (unless otherwise noted) (see Note 1) PARAMETER TEST Red Channel Green Channel Blue Channel Clear Channel UNIT PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX MIN TYP MAX UNIT λD = 465 nm See Note 2 0% 15% 10% 42% 65% 88% 19.2 24 28.8 Re Irradiance responsivity λD = 525 nm See Note 3 8% 25% 60% 85% 9% 35% 22.4 28 33.6 (counts/ μW/ cm2) responsivity λD = 625 nm See Note 4 85% 110% 0% 15% 5% 25% 27.2 34 40.8 cm2) NOTES: 1. The percentage shown represents the ratio of the respective red, green, or blue channel value to the clear channel value. 2. The 465 nm input irradiance is supplied by an InGaN light-emitting diode with the following characteristics: dominant wavelength λD = 465 nm, spectral halfwidth Δλ½ = 22 nm, and luminous efficacy = 75 lm/W. 3. The 525 nm input irradiance is supplied by an InGaN light-emitting diode with the following characteristics: dominant wavelength λD = 525 nm, spectral halfwidth Δλ½ = 35 nm, and luminous efficacy = 520 lm/W. 4. The 625 nm input irradiance is supplied by a Al InGaP light-emitting diode with the following characteristics: dominant wavelength λD = 625 nm, spectral halfwidth Δλ½ = 9 nm, and luminous efficacy = 155 lm/W. RGBC Characteristics, VDD = 3 V, TA = 255C, AGAIN = 16, AEN = 1 (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Dark ADC count value Ee = 0, AGAIN = 60 ×, ATIME = 0xD6 (100 ms) 0 1 5 counts ADC integration time step size ATIME = 0xFF 2.27 2.4 2.56 ms ADC number of integration steps 1 256 steps ADC counts per step 0 1024 counts ADC count value ATIME = 0xC0 (153.6 ms) 0 65535 counts Gi li lti t 1 × i 4 × 3.8 4 4.2 Gain scaling, relative to 1 × gain 16 × 15 16 16 8 % Gain scaling, relative to 1 × gain setting 16 × 15 16 16.8 % setting 60 × 58 60 63 % |
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