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OPA2277: Output Stage of DAC8820

Part Number: OPA2277
Other Parts Discussed in Thread: DAC8820, OPA2182, OPA2210, OPA2192, OPA2810, OPA277, TINA-TI

The OPA2277 is being recommended for the output stage of DAC8820.
However I noticed the settling time to a voltage step input is ~16us typical for 0.01% accuracy.

We are trying to match DAC712 performance; which is ~6us typical for 0.003% accuracy.

What other options do we have for extremely low offset, noise, etc...
But that supports ±15V supply and higher slew rate? (Useage for I/V converter so the feedback resistor network is constantly "flipping" to different resistor values)

Regards,

Darren