DS1090 for clock generation

Q: Is it better to generate a 1MHz clock with DS1090-4+ or DS1090-8+? A: W hile both DS1090-4+ and DS1090-8+ will produce an accurate 1MHz output, DS1090-4+ with 91kΩ is a slightly better option. T he DS1090-4+ with the higher 91kΩ RSET value will have a lower resistor current value and lower frequency error across temperature, per the Typical Operating Curves on page 5 of the datasheet.