FEATURES
Full 14-Bit Performance 5 V Single Supply Operation Low Power Fast Settling Time Unbuffered Voltage Output Capable of Driving 60 k ⍀ Loads Directly SPI™/QSPI™/MICROWIRE™-Compatible Interface Standards Power-On Reset Clears DAC Output to 0 V (Unipolar Mode) Schmitt Trigger Inputs for Direct Optocoupler Interface APPLICATIONS
Digital Gain and Offset Adjustment Automatic Test Equipment Data Acquisition Systems Industrial Process Control 5 V, Serial-Input Voltage-Output, 14-Bit DACs AD5551/AD5552 FUNCTIONAL BLOCK DIAGRAMS VDD AD5551 VREF 14-BIT DAC VOUT AGND CS DIN SCLK CONTROL LOGIC SERIAL INPUT REGISTER 14-BIT DATA LATCH DGND VDD AD5552 RINV VREFF 14-BIT DAC RFB RFB INV VOUT AGNDF GENERAL DESCRIPTION
VREFS CS LDAC SCLK DIN CONTROL LOGIC SERIAL INPUT REGISTER The AD5551 and AD5552 are single, 14-bit, serial input, voltage output DACs that operate from a single 5 V ± 10% supply. The AD5551 and AD5552 utilize a versatile 3-wire interface that is compatible with SPI, QSPI, MICROWIRE, and DSP interface standards.
Analog Devices
