Analog Devices AD7808
THE AD7808 **PIN ON THE AD7808 ONLY AVDD DVDD REFOUT REFIN AVDD DIVIDER COMP CHANNEL D CONTROL REG 1.23V REF AGND DGND VOUTF* POWER ON RESET AD7805/ AD7809 VBIAS DAC D VOUTE* MUX VOUTD DATA REGISTER VBIAS DAC REGISTER MUX DAC C VOUTC CHANNEL C CONTROL REG DATA REGISTER VBIAS MUX DAC REGISTER DAC B VOUTB CHANNEL B CONTROL REG DATA REGISTER VBIAS MUX DAC REGISTER DAC A VOUTA PD** CHANNEL A CONTROL REG SYSTEM CONTROL REG DATA REGISTER DAC REGISTER VOUTH* INPUT REGISTER VOUTG* CS WR CONTROL LOGIC NOTES 1 Power-down function powers down all internal circuitry including the reference.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 CapabilityAPPLICATIONS
Optical Disk Drives Instrumentation and Communication Systems Process Control and Voltage Setpoint Control Trim Potentiometer Replacement Automatic CalibrationGENERAL 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 CH...