应用功能：120 mA, Current Sinking, 10-Bit, I2C DAC The AD5398 is a single 10-bit DAC with 120 mA outputcurrent sink capability. It features an internal reference, andoperates from a single 2.7 V to 5.5 V supply. The DAC iscontrolled via a 2-wire (I2C-compatible) serial interface thatoperates at clock rates up to 400 kHz.
