How can peak LED currents greater than 250 mA be used with the ADUX1020, to achieve operation at greater range?


  • 0
    •  Analog Employees 
    on Aug 16, 2016 10:06 PM over 4 years ago

    The LEDX pin can be used as the source of timing for an external LED driver circuit, as in the longer range add-on evaluation board, ADUX1020-EVALZ-LED. In this circuit, the LEDX pin is protected from the large peak currents through the LED by two MOSFETs. Any external LED drive circuit may be designed to work with the ADUX1020, so long as it has enough bandwidth to support 3 μsec LED pulses and protect the LEDX pin from voltages greater than 3.6 V. See the ADUX1020-EVALZ-LED product page for more details.

  • 0
    •  Analog Employees 
    on Jun 15, 2019 3:00 PM over 1 year ago in reply to tylerray

    Hello Tylerray;

    On datasheet; it says proximity sensing to 20 cm. Can ADUX1020 support a longer range like 50cm? If yes; how to achieve it?



Reply Children
No Data