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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
AD5551 Datasheet
