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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TSL2572 датащи(PDF) 5 Page - ams AG |
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TSL2572 датащи(HTML) 5 Page - ams AG |
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5 / 25 page  TSL2572 LIGHT-TO-DIGITAL CONVERTER TAOS132 − MARCH 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 200 250 IDD Supply current Wait state 90 μA IDD Supply current Sleep state — no I2C activity 2.2 4 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 V SCL SDA input high voltage TSL25721, TSL25725 0.7 VDD V VIH SCL, SDA input high voltage TSL25723, TSL25727 1.25 V V SCL SDA input low voltage TSL25721, TSL25725 0.3 VDD V VIL SCL, SDA input low voltage TSL25723, TSL25727 0.54 V ALS Characteristics, VDD = 3 V, TA = 255C, AGAIN = 16 y, AEN = 1 (unless otherwise noted) (Notes 1 ,2, 3) PARAMETER TEST CONDITIONS CHANNEL MIN TYP MAX UNIT Dark ADC count value Ee = 0, AGAIN = 120 ×, CH0 0 1 5 counts Dark ADC count value Ee = 0, AGAIN = 120 ×, ATIME = 0xDB (100 ms) CH1 0 1 5 counts ADC integration time step size ATIME = 0xFF 2.58 2.73 2.9 ms ADC number of integration steps (Note 4) 1 256 steps ADC counts per step (Note 4) ATIME = 0xFF 0 1024 counts ADC count value (Note 4) ATIME = 0xC0 0 65535 counts White light, Ee = 263.9 μW/cm2, CH0 4000 5000 6000 ADC count value White light, Ee = 263.9 μW/cm , ATIME = 0xF6 (27 ms) (Note 2) CH1 680 counts ADC count value λp = 850 nm, Ee = 263.4 μW/cm2, CH0 4000 5000 6000 counts λp = 850 nm, Ee = 263.4 μW/cm , ATIME = 0xF6 (27 ms) (Note 3) CH1 2850 ADC count value ratio: CH1/CH0 White light, ATIME = 0xF6 (27 ms) (Note 2) 0.086 0.136 0.186 ADC count value ratio: CH1/CH0 λp = 850 nm, ATIME = 0xF6 (27 ms) (Note 3) 0.456 0.570 0.684 White light, ATIME = 0xF6 (27 ms) CH0 18.9 R Irradiance responsivity White light, ATIME = 0xF6 (27 ms) (Note 2) CH1 2.58 counts/ ( μW/ Re Irradiance responsivity λp = 850 nm, ATIME = 0xF6 (27 ms) CH0 19.0 ( μW/ cm2) λp = 850 nm, ATIME = 0xF6 (27 ms) (Note 3) CH1 10.8 cm2) AGAIN = 1 × and AGL = 1 0.128 0.16 0.192 Gain scaling, relative to 1 × gain AGAIN = 8 × and AGL = 0 7.2 8.0 8.8 × Gain scaling, relative to 1 × gain setting AGAIN 16 × and AGL 0 14 4 16 0 17 6 × setting AGAIN = 16 × and AGL = 0 14.4 16.0 17.6 × AGAIN = 120 × and AGL = 0 108 120 132 NOTES: 1. Optical measurements are made using small-angle incident radiation from light-emitting diode optical sources. Visible white LEDs and infrared 850 nm LEDs are used for final product testing for compatibility with high-volume production. 2. The white LED irradiance is supplied by a white light-emitting diode with a nominal color temperature of 4000 K. 3. The 850 nm irradiance Ee is supplied by a GaAs light-emitting diode with the following typical characteristics: peak wavelength λp = 850 nm and spectral halfwidth Δλ½ = 42 nm. 4. Parameter ensured by design and is not tested. |
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