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Member #361704

Member Since: September 15, 2012

Country: France

  • 13 x 15 mm

  • What is the bandwidth of the converter? I am using it to convert a 20 kHz PWM signal from 3.3 V to 5 V. On oscilloscope, from a rising edge input signal, the output signal starts with a first-order response from 3.3 to 5 V, reaching 4.98 V after 2 µs, in other words, a first-order response with a time constant of 1.1 µs (See an oscilloscope screenshot at http://i57.tinypic.com/20k6nsw.png). I could not find similar numbers in the BSS138 datasheet but I am not an electronic engineer. Is that first-order time constant correct?

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