SBAU409A September 2022 – November 2022
As shown in Figure 2-4, the REF7040 is a very low-drift, low-noise, highly stable 4.096-V reference. This reference can externally drive the REFIO pin of the ADS9218 by installing jumper J10. Alternatively, J10 can be removed and the ADS9218 can use the internal voltage reference.