University of Michigan released its second and final reading for the consumer sentiment survey in July, showing a rise to 93.4 from the preliminary reading of 93.1, besting expectations of 93.2, while below June's reading of 97.1.
As of 03:35 GMT, the dollar index, tracking the greenback against a basket of six major rivals, fell to 93.53 from the opening of 93.87, with an intraday low at 93.38, and a high at 93.95.
The economic conditions index included in the same survey rose to 113.4 from 112.5, while economic outlook fell to 80.5 from 83.9.
The inflation outlook for one year steadied at 2.6% in June and rose rose to 2.6% from 2.5% for five-year inflation.