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AD5380 データシートの表示(PDF) - Analog Devices

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AD5380 Datasheet PDF : 40 Pages
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AD5380
TABLE OF CONTENTS
Features .............................................................................................. 1
Integrated Functions ........................................................................ 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 3
General Description ......................................................................... 4
Specifications..................................................................................... 5
AD5380-5 Specifications ............................................................. 5
AD5380-3 Specifications ............................................................. 7
AC Characteristics........................................................................ 8
Timing Characteristics..................................................................... 9
Serial Interface .............................................................................. 9
I2C Serial Interface...................................................................... 11
Parallel Interface ......................................................................... 12
Absolute Maximum Ratings.......................................................... 14
ESD Caution................................................................................ 14
Pin Configuration and Function Descriptions........................... 15
Terminology .................................................................................... 18
Typical Performance Characteristics ........................................... 19
Functional Description .................................................................. 22
DAC Architecture—General..................................................... 22
Data Decoding ............................................................................ 22
On-Chip Special Function Registers (SFR) ............................ 23
SFR Commands .......................................................................... 23
Hardware Functions ....................................................................... 26
Data Sheet
RESET Function ......................................................................... 26
Asynchronous Clear Function.................................................. 26
BUSY and LDAC Functions...................................................... 26
FIFO Operation in Parallel Mode ............................................ 26
Power-On Reset.......................................................................... 26
Power-Down ............................................................................... 26
AD5380 Interfaces.......................................................................... 27
DSP-, SPI-, Microwire-Compatible Serial Interfaces ............ 27
I2C Serial Interface ..................................................................... 29
Parallel Interface ......................................................................... 31
Microprocessor Interfacing....................................................... 32
Applications Information .............................................................. 34
Power Supply Decoupling ......................................................... 34
Power Supply Sequencing ......................................................... 34
Typical Configuration Circuit .................................................. 35
AD5380 Monitor Function ....................................................... 36
Toggle Mode Function............................................................... 36
Thermal Monitor Function....................................................... 37
AD5380 in a MEMS Based Optical Switch............................. 37
Optical Attenuators .................................................................... 38
Utilizing the AD5380 FIFO ...................................................... 39
Outline Dimensions ....................................................................... 40
Ordering Guide .......................................................................... 40
Rev. D | Page 2 of 40

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