40-Channel, 3 V/5 V, Single-Supply, Serial, 14-Bit denseDAC Data Sheet AD5384 FEATURES INTEGRATED FUNCTIONS Guaranteed monotonic Channel monitor Relative accuracy (INL): 4 LSB maximum Simultaneous output update via LDAC On-chip 1.25 V/2.5 V, 10 ppm/C reference Clear function to user programmable code Temperature range: 40C to +85C Amplifier boost mode to optimize slew rate Rail-to-rail output amplifier User programmable offset and gain adjust Power-down Toggle mode enables square wave generation Package type: 100-ball CSP BGA Thermal monitor User interfaces APPLICATIONS Serial (SPI-/QSPI-/MICROWIRE-/DSP-compatible, Variable optical attenuators (VOAs) featuring data readback) 2 Level settings (automatic test equipment ATE ) I C-compatible Optical micro-electromechanical systems (MEMS) control systems Instrumentation FUNCTIONAL BLOCK DIAGRAM DV DGND AV AGNDx DAC GNDx REF GND REF OUT/REF IN SIGNAL GNDx DDx DDx PD AD5384 1.25V/2.5V SYNC/AD0 REFERENCE DCEN/AD1 14 14 14 14 INPUT DAC DAC 0 REG 0 REG 0 VOUT0 14 m REG 0 SDO 14 c REG 0 R STATE R DIN/SDA INTERFACE MACHINE SCLK/SCL CONTROL + 14 14 14 14 INPUT DAC LOGIC CONTROL DAC 1 2 SPI/I C REG 1 REG 1 LOGIC VOUT1 14 VOUT2 m REG 1 14 R c REG 1 VOUT3 R VOUT4 14 14 14 14 INPUT DAC VOUT5 DAC 6 REG 6 REG 6 VOUT6 POWER-ON RESET RESET 14 m REG 6 BUSY 14 c REG 6 R R CLR 14 14 14 14 INPUT DAC VOUT0VOUT38 DAC 7 REG 7 REG 7 VOUT7 14 VOUT8 m REG 7 39-TO-1 14 R c REG 7 MUX R 5 VOUT38 VOUT39/MON OUT LDAC Figure 1. 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Technical Support www.analog.com Trademarks and registered trademarks are the property of their respective owners. 04652-001AD5384 Data Sheet TABLE OF CONTENTS Features .............................................................................................. 1 Reset Function ............................................................................ 23 Integrated Functions ........................................................................ 1 Asynchronous Clear Function .................................................. 23 Applications ....................................................................................... 1 BUSY and LDAC Functions...................................................... 23 Functional Block Diagram .............................................................. 1 Power-On Reset .......................................................................... 23 Revision History ............................................................................... 2 Power-Down Feature ................................................................. 23 General Description ......................................................................... 3 Power Supply Sequencing ......................................................... 23 Specifications ..................................................................................... 4 Interfaces.......................................................................................... 24 AC Characteristics ........................................................................ 6 DSP-, SPI-, Microwire-Compatible Serial Interface .............. 24 2 Timing Characteristics ................................................................ 7 I C Serial Interface ..................................................................... 26 Absolute Maximum Ratings .......................................................... 10 Applications Information .............................................................. 29 ESD Caution ................................................................................ 10 Power Supply Decoupling ......................................................... 29 Pin Configuration and Function Descriptions ........................... 11 Power Supply Sequencing ......................................................... 29 Typical Performance Characteristics ........................................... 15 Monitor Function ....................................................................... 30 Terminology .................................................................................... 18 Toggle Mode Function ............................................................... 30 Functional Description .................................................................. 19 Thermal Monitor Function ....................................................... 31 DAC ArchitectureGeneral ..................................................... 19 AD5384 in a MEMS-Based Optical Switch ............................ 31 Data Decoding ............................................................................ 19 Optical Attenuators .................................................................... 32 On-Chip Special Function Registers (SFR) ............................ 20 Outline Dimensions ....................................................................... 33 SFR Commands .......................................................................... 20 Ordering Guide .......................................................................... 33 Hardware Functions ....................................................................... 23 REVISION HISTORY Changes to Figure 9, Figure 10, and Figure 12 ........................... 15 6/14Rev. B to Rev. C Changes to Figure 14, Figure 15, Figure 16, and Figure 18....... 16 Changed 100-Lead Package to 100-Ball Package ...... Throughout Deleted Table 11 ............................................................................. 15 Added Power Supply Sequencing Section and Figure 30 through Changes to Terminology Section ................................................. 18 Figure 33 Renumbered Sequentially ........................................... 29 Deleted Figure 11 Renumbered Sequentially ............................ 18 Changes to Soft Reset Section ....................................................... 20 1/14Rev. A to Rev. B Changes to Control Register Contents ........................................ 21 Updated Format .................................................................. Universal Deleted Figure 23 ............................................................................ 20 Changed DVDD to DVDDX, AVDD to AVDDx, AGND to AGNDX, Changes to Table 14 ....................................................................... 22 VOUT to VOUTX, REFIN TO REF IN, REFOUT to REF OUT, Changes to Reset Function Section, Asynchronous Clear SCLK to SCLK/SCL, DAC GND to DAC GND, SIGNAL GND Function Section, and Power-On Reset Section ........................ 23 SYNC to SIGNAL GND, REFGND to REF GND, /AD 0 to Added Power Supply Sequencing Section ................................... 23 SYNC /AD0, DCEN/AD 1 to DCEN/AD1, Deleted Microprocessor Interfacing Section, AD5384 to DIN to DIN/SDA ........................................................... Throughout MC68HC11 Section, Figure 32, AD5384 to PIC16C6x/7x Changes to Title and Features Section ........................................... 1 Section, Figure 33, AD5384 to 8051 Section, Figure 34, AD5384 Deleted Table 1 and Table 2 Renumbered Sequentially ............. 3 to ADSP-2101/ADSP-2103 Section, and Figure 35 ................... 31 Changes to Table 1 ............................................................................ 4 Updated Outline Dimensions ....................................................... 32 Changed AVDD = 2.7 V to 3.6 V to AVDD = 4.5 V to 5.5 V, Changes to Ordering Guide .......................................................... 32 AC Characteristics Section .............................................................. 6 Changes to Table 2 ............................................................................ 6 10/04Rev. 0 to Rev. A Deleted AD5384-3 Specifications Section and Table 5 ............... 7 Changes to Table 19 ....................................................................... 24 Changes to Serial Interface Section and Table 3 ........................... 7 Changes to Ordering Guide .......................................................... 35 Deleted AC Characteristics Section and Table 6 .......................... 9 2 Change to I C Serial Interface Section ........................................... 9 7/04Revision 0: Initial Version Changes to Absolute Maximum Ratings Section and Table 5 ....... 10 Changes to Table 6 .......................................................................... 11 Rev. C Page 2 of 33