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TCS3472 Datasheet(PDF) 5 Page - ams AG |
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TCS3472 Datasheet(HTML) 5 Page - ams AG |
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5 / 27 page  TCS3472 COLOR LIGHT-TO-DIGITAL CONVERTER with IR FILTER TAOS135 − AUGUST 2012 4 r r Copyright E 2012, 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 235 330 IDD Supply current Wait state 65 μA IDD Supply current Sleep state — 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 −5 5 μA V SCL SDA input high voltage TCS34721 & TCS34725 0.7 VDD V VIH SCL, SDA input high voltage TCS34723 & TCS34727 1.25 V V SCL SDA input low voltage TCS34721 & TCS34725 0.3 VDD V VIL SCL, SDA input low voltage TCS34723 & TCS34727 0.54 V Optical Characteristics, VDD = 3 V, TA = 255C, AGAIN = 16y, ATIME = 0xF6 (unless otherwise noted) (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 Note 2 0% 15% 10% 42% 65% 88% 11.0 13.8 16.6 Re Irradiance responsivity λD = 525 nm Note 3 4% 25% 60% 85% 10% 45% 13.2 16.6 20.0 counts/ μW/ cm2 responsivity λD = 615 nm Note 4 80% 110% 0% 14% 5% 24% 15.6 19.5 23.4 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. 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. 4. The 615 nm input irradiance is supplied by a Al InGaP light-emitting diode with the following characteristics: dominant wavelength λD = 615 nm, spectral halfwidth Δλ½ = 15 nm. RGBC Characteristics, VDD = 3 V, TA = 25 5C, AGAIN = 16 y, 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 (Note 5) 1 256 steps ADC counts per step (Note 5) 0 1024 counts ADC count value (Note 5) 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 y Gain scaling, relative to 1 × gain setting 16 × 15 16 16.8 y setting 60 × 58 60 63 y NOTE 5: Parameter ensured by design and is not tested. |
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