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TCS34907FN 数据表(PDF) 11 Page - ams AG |
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TCS34907FN 数据表(HTML) 11 Page - ams AG |
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11 / 34 page  ams Datasheet Page 11 [v1-09] 2016-Jan-11 Document Feedback TCS3490 − Functional Description The TCS3490 device provides ambient light sensing and color temperature sensing. The internal state machine manages the operation of the device. It controls the ALS functionality and power down modes. Average power consumption is managed via control of variable endurance low power wait cycles. The interrupt feature improves system efficiency by eliminating the need to poll the sensor. Two interrupt sources (ALS, ALS saturation) can activate the open drain output pin. Each interrupt source is enabled independently. ALS interrupts appear when upper or lower thresholds are exceeded for a consecutive number of sample readings. The advanced digital color light sensor portion of the TCS3490 contains a segmented circular photodiode array used for color measurements. This architecture provides stable color sensing independent of the incident angle of light. Four integrating analog-to-digital converters (ADCs) integrate light energy from photodiodes simultaneously. Figure 17: Simplified ALS State Machine Communication with the device is accomplished through a fast (up to 400 kHz) two wire I²C serial bus for easy connection to a microcontroller or embedded controller. The device typically draws only 235 μA in color operation and 1uA during power down. Functional Description Sleep Start Wait RGBC PON = 1 (0x80:b0) PON = 0 (0x80:b0) |
类似零件编号 - TCS34907FN |
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类似说明 - TCS34907FN |
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