Quad 12-Bit DAC
a LC2MOS +3.3 V/+5 V, Low Power, Quad 12-Bit DAC
FEATURES Four 12-Bit DACs in One Package 4-Quadrant Multiplication Sep...
Description
a LC2MOS +3.3 V/+5 V, Low Power, Quad 12-Bit DAC
FEATURES Four 12-Bit DACs in One Package 4-Quadrant Multiplication Separate References Single Supply Operation Guaranteed Specifications with +3.3 V/+5 V Supply Low Power Versatile Serial Interface Simultaneous Update Capability Reset Function 28-Pin SOIC, SSOP and DIP Packages
APPLICATIONS Process Control Portable Instrumentation General Purpose Test Equipment
FSIN CLKIN
SDIN
AD7564
FUNCTIONAL BLOCK DIAGRAM
NC AGND VDD DGND VREFD VREFC VREFB VREFA R FB A
INPUT
DAC A
LATCH A 12 LATCH
12
DAC A
INPUT LATCH B
12
DAC B LATCH
12
DAC B
INPUT LATCH C
12
DAC C LATCH
12
DAC C
INPUT
DAC D
LATCH D 12 LATCH
12
CONTROL LOGIC +
INPUT SHIFT REGISTER
12 DAC D
AD7564
IOUT1 A IOUT2 A RFBB IOUT1 B IOUT2 B RFBC IOUT1 C IOUT2 C R FBD IOUT1 D IOUT2 D
CLR
LDAC
A0 A1
SDOUT
GENERAL DESCRIPTION The AD7564 contains four 12-bit DACs in one monolithic device. The DACs are standard current output with separate VREF, IOUT1, IOUT2 and RFB te...
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