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ISL29020IROZ-T7 - Renesas Electronics

Description: The ISL29020 is a low power, high sensitivity, integrated light sensor with I2C (SMBus compatible) interface. Its state-of-the-art photodiode array provides close to human eye response and good IR rejection. This ADC is capable of rejecting 50Hz and 60Hz flicker caused by artificial light sources. The lux range select feature allows the user to program the lux range for optimized counts/lux. In normal operation, typical power consumption 55µA. In order to further minimize power consumption, two power-down m

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ISL29020IROZ-T7 - Renesas Electronics - PCB symbol
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ISL29020IROZ-T7 - Renesas Electronics PCB footprint - Small Outline No-lead - Small Outline No-lead - 6 Ld ODFN
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ISL29020IROZ-T7 - Renesas Electronics - 3D model - Small Outline No-lead - 6 Ld ODFN
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ISL29020IROZ-T7 Details

  • Manufacturer Part Number:

    ISL29020IROZ-T7

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    HODFN

  • Pin Count:

    6

  • Manufacturer Package Code:

    L6.2X2.1

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.50

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

ISL29020IROZ-T7 Frequently Asked Questions (FAQs)

  • A good PCB layout for the ISL29020IROZ-T7 involves keeping the sensor away from high-current carrying traces, using a solid ground plane, and minimizing the distance between the sensor and the microcontroller. A 4-layer PCB with a dedicated analog ground plane is recommended.
  • Calibration involves adjusting the gain and offset of the sensor to match the specific application's requirements. This can be done by taking readings at multiple light levels and adjusting the gain and offset registers accordingly. A calibration routine can be implemented in software to automate this process.
  • The recommended power-on sequence is to first power up the VDD pin, followed by the VDDIO pin. This ensures that the internal voltage regulators are properly initialized before the device becomes active.
  • The interrupt output of the ISL29020IROZ-T7 is an open-drain output, which means it requires an external pull-up resistor to VDDIO. The interrupt is triggered when the lux level exceeds a programmable threshold, and can be used to wake up a microcontroller from sleep mode.
  • The maximum cable length for the I2C interface of the ISL29020IROZ-T7 depends on the clock frequency and the capacitance of the cable. As a general rule, the cable length should be limited to 10-20 cm to ensure reliable operation.

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