AD5382 Analog Devices, AD5382 Datasheet - Page 2

• Manufacturer Part Number: AD5382
• Description: 32-Channel 14-Bit 3 V/5 V Single-Supply Voltage-Output DAC
• Manufacturer: Analog Devices

Specifications of AD5382

• Resolution (bits): 14bit
• Dac Update Rate: 125kSPS
• Dac Settling Time: 8µs
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Voltage Out
• Dac Input Format: Par,Ser,SPI

AD5382
TABLE OF CONTENTS
General Description ......................................................................... 3
Specifications ..................................................................................... 4
Timing Characteristics ..................................................................... 8
Absolute Maximum Ratings .......................................................... 13
Pin Configuration and Function Descriptions ........................... 14
Terminology .................................................................................... 17
Typical Performance Characteristics ........................................... 18
Functional Description .................................................................. 21
Hardware Functions ....................................................................... 25
REVISION HISTORY
4/10—Rev. A to Rev. B
Changes to Table 18 ........................................................................ 24
Changes to Ordering Guide .......................................................... 37
3/05—Rev. 0 to Rev. A
Changes to Specifications ................................................................ 4
Changes to Figure 43 ...................................................................... 35
5/04—Revision 0: Initial Version
AD5382-5 Specifications ............................................................. 4
AD5382-3 Specifications ............................................................. 6
AC Characteristics ........................................................................ 7
SPI-, QSPI-, MICROWIRE-, or DSP-Compatible Serial
Interface ......................................................................................... 8
I
Parallel Interface ......................................................................... 11
ESD Caution ................................................................................ 13
DAC Architecture—General ..................................................... 21
Data Decoding ............................................................................ 21
On-Chip Special Function Registers (SFR) ............................ 22
SFR Commands .......................................................................... 22
Reset Function ............................................................................ 25
2
C Serial Interface ...................................................................... 10
Rev. B | Page 2 of 40
AD5382 Interfaces .......................................................................... 26
Application Information ................................................................ 33
Outline Dimensions ....................................................................... 37
Asynchronous Clear Function .................................................. 25
BUSY and LDAC Functions...................................................... 25
FIFO Operation in Parallel Mode ............................................ 25
Power-On Reset .......................................................................... 25
Power-Down ............................................................................... 25
DSP-, SPI-, MICROWIRE-Compatible Serial Interfaces ..... 26
I
Parallel Interface ......................................................................... 30
Microprocessor Interfacing ....................................................... 31
Power Supply Decoupling ......................................................... 33
Typical Configuration Circuit .................................................. 33
Monitor Function ....................................................................... 34
Toggle Mode Function ............................................................... 34
Thermal Monitor Function ....................................................... 35
AD5382 in a MEMS-Based Optical Switch ............................ 35
Optical Attenuators .................................................................... 36
Ordering Guide .......................................................................... 37
2
C Serial Interface ..................................................................... 28