The DAC7678 datasheet both lists the maximum output current capability as +/-20mA ("Specified by design or characterization; not production tested.") and also later states that the maximum supported load for the output buffers is is up to 2kOhms || 1nF, which is considerably less (with 5V supply, that's 2.5mA output current). Which is it and how can I tell from the datasheet?
I need to drive a 300 Ohm load at up to 5V on multiple channels at a time, so that's 16.7mA per channel (does the 20mA per channel rating still hold for multiple channels driving that amount of current?).