The recommended power-up sequence is to apply VDD first, followed by VREF, and then the digital inputs. This ensures proper device operation and prevents potential latch-up conditions.
The output voltage settling time of the DAC122S085CIMM is typically around 10-15 μs. To ensure accurate readings, it's recommended to wait for at least 20-30 μs after a code change before taking a measurement.
The DAC122S085CIMM's performance is affected by temperature, with a typical temperature coefficient of ±1 ppm/°C for the output voltage. This means that the output voltage may drift by ±1 mV/°C. It's essential to consider this in high-precision applications.
Yes, the DAC122S085CIMM can be used in a ratiometric configuration, where the reference voltage (VREF) is also used as the supply voltage (VDD). This can simplify the design and reduce the number of components required.
To minimize noise and glitches, it's recommended to use a low-pass filter on the output, such as a 1 kΩ resistor and a 10 nF capacitor. Additionally, ensure that the digital inputs are properly terminated and that the device is operated within its recommended operating conditions.
DAC122S085CIMM datasheet
by Texas Instruments
