Other Parts Discussed in Thread: ADS1248
To whom this may concern,
I am using the DRV425 Fluxgate Magnetic-Field sensor and I am having a small issue with the reference voltage output.
On page 15 of the revised March 2018 data sheet figure 52 shows the Reference voltage versus reference current. This shows a stable voltage whether sinking or sourcing up to 5 mA.
In my application, with a PSU of 5 V and RSEL 00, when I apply a 1 kohm load to REFOUT the measured voltage is only 2.2 V. This only returns within the +/- 50 mV specification when the load is > 10 kohm.
Can you offer some advice? I look forward to your response.
Regards
James