The LTC1454 has an onboard reference of 2.048V and a full-scale output of 4.095V in a x 2 gain configuration. It operates from a single 4.5V to 5.5V supply. The LTC1454L has an onboard 1.22V reference and a fullscale output of 2.5V in a x 2 gain configuration. It operates from a single 2.7V to 5.5V supply. Low power supply current, excellent DNL and small size allow these parts to be used in a host of applications where size, DNL and single supply operation are important.