AD5381 Analog Devices, AD5381 Datasheet - Page 2

• Manufacturer Part Number: AD5381
• Description: 40-Channel 12-Bit 3 V/5 V Single-Supply Voltage-Output DAC
• Manufacturer: Analog Devices

Specifications of AD5381

• Resolution (bits): 12bit
• Dac Update Rate: 167kSPS
• Dac Settling Time: 6µs
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Voltage Out
• Dac Input Format: Par,Ser,SPI

AD5381
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
8/05—Rev. A to Rev. B
Changes to Table 2............................................................................ 3
Changes to Specifications Section.................................................. 4
Changes to Absolute Maximum Ratings Section....................... 13
Changes to Figure 43...................................................................... 35
Changes to Ordering Guide .......................................................... 37
6/04—Data Sheet Changed from Rev. 0 to Rev. A
Changes to Ordering Guide ...........................................................36
5/04—Revision 0: Initial Version
AD5381-5 Specifications ............................................................. 4
AD5381-3 Specifications ............................................................. 6
AC Characteristics........................................................................ 7
Serial Interface Timing ................................................................ 8
I
Parallel Interface Timing ........................................................... 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 Timing........................................................ 10
Rev. B | Page 2 of 40
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....................................................... 34
Optical Attenuators.................................................................... 35
Utilizing FIFO............................................................................. 35
Ordering Guide .......................................................................... 37
2
C Serial Interface ..................................................................... 28