• AD628 replacement

    Hello,

    I need to scale an IRIGB signal (+-10Vp) to my supply voltage (0-3.3V). I used AD628 (supply voltage 5V min) to scale this signal, but I don't have 5V anymore, could you give me some advice or an AD628 equivalent in 3.3V range ?

    Thanks in…

  • RE: AD628 Spice model

    Hello. Unfortunately we do not have an AD628 spice model readily available.

    However, the AD629 is on the web. That spice model coupled with an op-amp at the output for additional gain can at least give

    you a reasonable replacement in terms of functionality…

  • AD628 single supply offset issue

    HI,

    I am using AD628 for my current sensing application .Current range 0 to 2.5amps through the R76 (0.01 current sense resistor )  . the gain for first stage is 0.1 and second stage is sate as 3.12  , supply voltage for the AD628 is +5V and GND (single…

  • AD628 offset issue

    HI,

    I am using AD628 for my current sensing application .Current range 0 to 2.5amps through the R76 (0.01 current sense resistor )  . the gain for first stage is 0.1 and second stage is sate as 3.12  , supply voltage for the AD628 is +5V and GND (single…

  • AD628 : negative common-mode voltage issue

    Hi,

    I'm having trouble with a AD628 amplifier.

    I have to measure a voltage between 0V and 36V using a divider bridge (see picture attached).

    The AD628 power supplies are +/-5V.

    With a common mode voltage between 0V and 5V, the results are very good…

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  • Does AD628 and AD629 have ESD protection at their inputs ?

    Hi,

    Are AD628 and AD629 able to survive to a 4kV ESD pulse of 1 to 3ns at their inputs ?

    Thanks

  • RE: AD628 Gain error

    Hi Scott

    Sorry for my misreading.

    Fig 14 is at Gain 1 (A1 is x0.1 and A2 is x10). but scale is 100ppm but not ppm.

    A1 gain error is guaranteed under 0.1%.

    A total gain error will be controlled within 0.1%.

    Thank you very much for your nice support…

  • AD628 As Level Shifter

    Hello,

    I would like to use an AD628 to sample voltage in a 4-20mA current loop, but with a 0-3.3v output instead of the 0-5v output as depicted in the product datasheet.  I'm not sure about the purpose of the 210k resistor and 2.5v voltage source, and…