LTC2758 Dual 18-Bit SoftSpan IOUT DAC with Serial SPI Interface Demo Board

Demonstration circuit 1684A-A features the LTC2758 18-bit SoftSpan IOUT DAC. The digital interface is a simple, 4-wire Serial Peripheral Interface (SPI), augmented with separate CLEAR and LDAC pins that reset the output to zero and load the DAC code, respectively