AD5384 Analog Devices, AD5384 Datasheet - Page 2

• Manufacturer Part Number: AD5384
• Description: 40-Channel, 3 V/5 V Single Supply,14-Bit, Serial Voltage-Output DAC
• Manufacturer: Analog Devices

Specifications of AD5384

• 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: I2C/Ser 2-wire,Ser,SPI

AD5384
TABLE OF CONTENTS
General Description ......................................................................... 3
Specifications..................................................................................... 4
Timing Characteristics................................................................... 10
Absolute Maximum Ratings.......................................................... 13
Pin Configuration and Function Descriptions........................... 14
Terminology .................................................................................... 17
Typical Performance Characteristics ........................................... 18
Functional Description .................................................................. 21
Hardware Functions....................................................................... 25
REVISION HISTORY
10/04—Changed from Rev. 0 to Rev. A
Changes to Table 19........................................................................ 24
Changes to Ordering Guide .......................................................... 35
7/04—Revision 0: Initial Version
AD5384-5 Specifications ............................................................. 4
AC Characteristics........................................................................ 6
AD5384-3 Specifications ............................................................. 7
AC Characteristics........................................................................ 9
Serial Interface ............................................................................ 10
I
DAC Architecture—General..................................................... 21
Data Decoding ............................................................................ 21
On-Chip Special Function Registers (SFR) ............................ 22
SFR Commands .......................................................................... 22
2
C Serial Interface...................................................................... 12
Rev. A | Page 2 of 36
Interfaces.......................................................................................... 26
Application Information................................................................ 32
Outline Dimensions ....................................................................... 35
Reset Function ............................................................................ 25
Asynchronous Clear Function.................................................. 25
BUSY and LDAC Functions...................................................... 25
Power-On Reset.......................................................................... 25
Power-Down ............................................................................... 25
DSP-, SPI-, Microwire-Compatible Serial Interfaces ............ 26
I
Microprocessor Interfacing....................................................... 31
Power Supply Decoupling ......................................................... 32
Monitor Function....................................................................... 32
Toggle Mode Function............................................................... 32
Thermal Monitor Function....................................................... 33
AD5384 in a MEMS-Based Optical Switch ............................ 33
Optical Attenuators.................................................................... 34
Ordering Guide .......................................................................... 35
2
C Serial Interface ..................................................................... 28