dc1678a-b DC1678A-B LTC2654-H16 Demo Board | Quad SPI 16-Bit Voltage Output DAC with 2.048V Reference, Requires DC2026 Demonstration circuit 1678A features the LTC2654 Quad 16-bit/12-bit DAC. The LTC2654 is a family of 16-bit/12-bit rail-to-rail DACs with integrated 10ppm/°C maximum reference. The LTC2654 advances performance standards for output drive, crosstalk and load regulation in single supply, voltage-output multiple DACs. DC1678A-B