AD5678
FEATURES
Low power octal DAC with Four 16-bit DACs Four 12-bit DACs 14-lead/16-lead TSSOP On-chip 1.25 V/2.5 V, 5 ppm/°C reference Power down to 400 n A @ 5 V, 200 n A @ 3 V 2.7 V to 5.5 V power supply Guaranteed monotonic by design Power-on reset to zero scale 3 power-down functions Hardware LDAC and LDAC override function CLR function to programmable code Rail-to-rail operation
LDAC INPUT REGISTER INPUT REGISTER SCLK INTERFACE LOGIC INPUT REGISTER INPUT REGISTER INPUT REGISTER INPUT REGISTER INPUT REGISTER INPUT REGISTER POWER-ON RESET LDAC1 CLR1
1RU-16
FUNCTIONAL BLOCK DIAGRAM
VDD VREFIN/VREFOUT 1.25V/2.5V REF DAC REGISTER DAC REGISTER DAC REGISTER DAC REGISTER DAC REGISTER DAC REGISTER DAC REGISTER DAC REGISTER STRING DAC A STRING DAC B STRING DAC C STRING DAC D STRING DAC E STRING DAC F STRING DAC G STRING DAC H BUFFER VOUTA
BUFFER
VOUTB
BUFFER
VOUTC
SYNC
BUFFER
VOUTD
BUFFER
VOUTE
BUFFER
VOUTF
BUFFER
VOUTG
BUFFER VOUTH POWER-DOWN LOGIC GND
05299-001
APPLI...
