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DAC8718: 32 analog outputs with one DAC

dinesh gupta
Intellectual 310 points
Part Number: DAC8718
Other Parts Discussed in Thread: TS3A5017, DAC81416

Hi,

Can I use single DAC8718 and use SP4T switch (similar to TS3A5017) at each analog output, so I can have 32 outputs from single DAC8718.

If possible please suggest an analog switch.

Thanks,

  • 0
    TI__Guru 53283 points

    Hi Dinesh,

    This can work, but note that the DAC will only drive one of the outputs at time, so if you want a steady state voltage on each of the outputs you will need a sample-and-hold type circuit.

    You could also consider (two) devices like the DAC81416, which is a high-voltage, 16-channel, 16-bit DAC.

    Thanks,

    Paul