32-Channel, 3 V/5 V, Single-Supply, 14-Bit denseDAC Data Sheet AD5382 FEATURES INTEGRATED FUNCTIONS Guaranteed monotonic Channel monitor INL error: 4 LSB max 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 mode Toggle mode enables square wave generation Package type: 100-lead LQFP (14 mm 14 mm) Thermal monitor User interfaces Parallel APPLICATIONS Serial (SPI-/QSPI-/MICROWIRE-/DSP-compatible, Variable optical attenuators (VOAs) featuring data readback) Level setting (ATE) 2 I C-compatible Optical micro-electro-mechanical systems (MEMS) Robust 6.5 kV HBM and 2 kV FICDM ESD rating Control systems Instrumentation FUNCTIONAL BLOCK DIAGRAM DVDD (3) DGND (3) AVDD (4) AGND (4) DAC GND (4) REFGND REFOUT/REFIN SIGNAL GND (4) PD AD5382 1.25V/2.5V SER/PAR REFERENCE FIFO EN CS/(SYNC/AD0) WR/(DCEN/AD1) 14 14 14 14 INPUT DAC SDO DAC 0 REG0 REG0 VOUT0 DB13/(DIN/SDA) 14 m REG0 DB12/(SCLK/SCL) FIFO 14 2 DB11/(SPI/I C) c REG0 R + DB10 R INTERFACE STATE CONTROL MACHINE 14 14 14 14 LOGIC INPUT DAC + DAC 1 DB0 REG1 REG1 CONTROL VOUT1 LOGIC 14 A4 VOUT2 m REG1 A0 14 c REG1 R VOUT3 R REG0 VOUT4 14 14 14 14 VOUT5 INPUT DAC REG1 DAC 6 REG6 REG6 VOUT6 POWER-ON RESET RESET 14 m REG6 BUSY 14 c REG6 R R CLR 14 14 14 14 INPUT DAC VOUT0VOUT31 DAC 7 REG7 REG7 VOUT7 14 MON IN1 m REG7 VOUT8 36-TO-1 14 MON IN2 R c REG7 MUX MON IN3 R MON IN4 VOUT31 4 MON OUT LDAC Figure 1. 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Technical Support www.analog.com 03733-001AD5382 Data Sheet TABLE OF CONTENTS Features .............................................................................................. 1 SFR Commands .......................................................................... 23 Integrated Functions ........................................................................ 1 Hardware Functions ....................................................................... 26 Applications ....................................................................................... 1 Reset Function ............................................................................ 26 Functional Block Diagram .............................................................. 1 Asynchronous Clear Function .................................................. 26 Revision History ............................................................................... 3 BUSY and LDAC Functions...................................................... 26 General Description ......................................................................... 4 FIFO Operation in Parallel Mode ............................................ 26 Specif icat ions ..................................................................................... 5 Power-On Reset .......................................................................... 26 AD5382-5 Specifications ............................................................. 5 Power-Down ............................................................................... 26 AD5382-3 Specifications ............................................................. 7 AD5382 Interfaces .......................................................................... 27 AC Characteristics ........................................................................ 8 DSP-, SPI-, MICROWIRE-Compatible Serial Interfaces ..... 27 2 Timing Characteristics ..................................................................... 9 I C Serial Interface ..................................................................... 29 SPI-, QSPI-, MICROWIRE-, or DSP-Compatible Serial Parallel Interface ......................................................................... 31 Interface ......................................................................................... 9 Microprocessor Interfacing ....................................................... 32 2 I C Serial Interface ...................................................................... 11 Applications Information .............................................................. 34 Parallel Interface ......................................................................... 12 Power Supply Decoupling ......................................................... 34 Absolute Maximum Ratings .......................................................... 14 Power Supply Sequencing ......................................................... 34 ESD Caution ................................................................................ 14 Typical Configuration Circuit .................................................. 35 Pin Configuration and Function Descriptions ........................... 15 Monitor Function ....................................................................... 36 Terminology .................................................................................... 18 Toggle Mode Function ............................................................... 36 Typical Performance Characteristics ........................................... 19 Thermal Monitor Function ....................................................... 37 Functional Description .................................................................. 22 AD5382 in a MEMS-Based Optical Switch ............................ 37 DAC ArchitectureGeneral ..................................................... 22 Optical Attenuators .................................................................... 37 Data Decoding ............................................................................ 22 Outline Dimensions ....................................................................... 39 On-Chip Special Function Registers (SFR) ............................ 23 Ordering Guide .......................................................................... 39 Rev. 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