Description
+3.3 V to +5 V Quad/Octal 10-Bit DACs AD7804/AD7805/AD7808/AD7809
FUNCTIONAL BLOCK DIAGRAMS
AVDD DVDD REFOUT REFIN AVDD DIVIDER COMP CHANNEL D CONTROL REG DATA REGISTER VBIAS DAC C DAC REGISTER MUX 1.23V REF AGND DGND VOUTF
POWER ON RESET
AD7804/ AD7808
VBIAS DAC D
VOUTE
VOUTD
MUX
VOUTC
CHANNEL C CONTROL REG
DATA REGISTER VBIAS MUX
DAC REGISTER
DAC B
VOUTB
CHANNEL B CONTROL REG
DATA REGISTER VBIAS
DAC REGISTER
MUX
DAC A
VOUTA
PD
CHANNEL A CONTROL REG S
Features
- Four 10-Bit DACs in One Package Serial and Parallel Loading Facilities Available AD7804 Quad 10-Bit Serial Loading AD7805 Quad 10-Bit Parallel Loading AD7808 Octal 10-Bit Serial Loading AD7809 Octal 10-Bit Parallel Loading +3.3 V to +5 V Operation Power-Down Mode Power-On Reset Standby Mode (All DACs/Individual DACs) Low Power All CMOS Construction 10-Bit Resolution Double Buffered DAC Registers Dual External Reference Capability.