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Showing 45 results View by: Thread Post Sort by
    Answered
  • OPT4048: OPT4048 calibration matrix

    Daniel Lindstedt
    Daniel Lindstedt
    Resolved
    Part Number: OPT4048 I am considering using the OPT4048 in a product to determine ambient light CCT. I have relatively high requirements on CCT accuracy for a wide range of indoor light sources my product will be exposed to. I will also have to place…
    • Resolved
    • 8 days ago
    • Sensors
    • Sensors forum
  • OPT4048: OPT4048 technical questions

    Thomas Yang55737
    Thomas Yang55737
    TI Thinks Resolved
    Part Number: OPT4048 Hi Team, Could you help below questions for OPT4048? 1. Is there a recommended illuminance range for the 4048 sensor where its response is relatively linear? For example, is it recommended to use the sensor in scenarios below…
    • 21 days ago
    • Sensors
    • Sensors forum
  • OPT4048: OPT4048 Z-Channel Non-linearity ?

    willy yang
    willy yang
    TI Thinks Resolved
    Part Number: OPT4048 Hi Team, We are observing a systematic +20% overshoot on the Z-channel (CH2) when measuring mixed colors on an OLED display. The sensor violates the principle of additivity. The Issue: The measured Z-value of White is significantly…
    • 2 months ago
    • Sensors
    • Sensors forum
  • OPT4048: color code identification and accuracy

    Roopa KC
    Roopa KC
    Part Number: OPT4048 We are currently using the OPT4048 colour sensor in one of our innovation projects. As per the product specification, we need to accurately detect at least 10 distinct colours. Based on our initial groundwork and analysis…
    • 10 days ago
    • Sensors
    • Sensors forum
  • OPT4048: Cover glass transmittance and wavelength range

    William Lai(CFAE)
    William Lai(CFAE)
    TI Thinks Resolved
    Part Number: OPT4048 Hi Team, I hope this query finds you well. Could you please help to confirm the anwser below? What should the transmittance of the Cover Glass on top of the OPT4048D be? What wavelength range does it need to transmit? Thanks. Best…
    • 2 days ago
    • Sensors
    • Sensors forum
  • Answered
  • OPT4048: ADC readings issue between OPT4048DTSEVM and our new design(based on OPT4048&STM32F103C8T6)

    Yidong Zhang
    Yidong Zhang
    Resolved
    Part Number: OPT4048 Tool/software: Hello, Now we have a new design based in OPT4048 and STM32F103C8T6 and which will be used on the applicatiop of LED color and lux analyze. but we found that the mantessa_1 raw ADC value of our design is lower than…
    • Resolved
    • 7 months ago
    • Sensors
    • Sensors forum
  • OPT3101-SDK: OPT4048 sample code

    Allen yang
    Allen yang
    TI Thinks Resolved
    Part Number: OPT3101-SDK Other Parts Discussed in Thread: OPT4048 , OPT4001 Hi Team, Please provide the sample code for OPT4048. Thanks
    • 3 months ago
    • Sensors
    • Sensors forum
  • OPT4048: Lens material design

    Allen yang
    Allen yang
    Part Number: OPT4048 Tool/software: Hi Team, Are there any requirements for the lens material recommended by ALS Sensor? For example, is it surface treated? Does it need anti-reflective coating? What are the light transmittance requirements? What…
    • 6 months ago
    • Sensors
    • Sensors forum
  • OPT4048: wafer node

    CHEN-YU GEE
    CHEN-YU GEE
    TI Thinks Resolved
    Part Number: OPT4048 Tool/software: Could you please provide the information of wafer node (nm) of this material? Thank you.
    • 8 months ago
    • Sensors
    • Sensors forum
  • Answered
  • OPT4048: OPT4048DTSR

    Gayathri thandu
    Gayathri thandu
    Resolved
    Part Number: OPT4048 Tool/software: I'm working on the OPT4048 Light sensor, for light luminance and CCT values. I'm reading 0x0,0x2,0x04, 0x06 registers and conversion steps I'm following as below I2C_TransferReturn_TypeDef ret = I2C_transaction…
    • Resolved
    • 9 months ago
    • Sensors
    • Sensors forum
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