AD5755-1 Analog Devices, AD5755-1 Datasheet - Page 2

• Manufacturer Part Number: AD5755-1
• Description: Quad Channel, 16-Bit, Serial Input, 4-20mA & Voltage Output DAC, Dynamic Power Control, HART Connectivity
• Manufacturer: Analog Devices

Specifications of AD5755-1

• Resolution (bits): 16bit
• Dac Update Rate: 91kSPS
• Dac Settling Time: 11µs
• Max Pos Supply (v): +33V
• Single-supply: No
• Dac Type: I or V Out
• Dac Input Format: SPI

AD5755-1
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Companion Products ....................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 3
Detailed Functional Block Diagram .............................................. 4
Specifications ..................................................................................... 5
Absolute Maximum Ratings .......................................................... 12
Pin Configuration and Function Descriptions ........................... 13
Typical Performance Characteristics ........................................... 16
Terminology .................................................................................... 27
Theory of Operation ...................................................................... 29
Registers ........................................................................................... 31
AC Performance Characteristics ................................................ 8
Timing Characteristics ................................................................ 9
ESD Caution ................................................................................ 12
Voltage Outputs .......................................................................... 16
Current Outputs ......................................................................... 20
DC-to-DC Block ......................................................................... 24
Reference ..................................................................................... 25
General ......................................................................................... 26
DAC Architecture ....................................................................... 29
Power-On State of the AD5755-1 ............................................. 29
Serial Interface ............................................................................ 30
Transfer Function ....................................................................... 30
Programming Sequence to Write/Enable the Output
Correctly ...................................................................................... 32
Changing and Reprogramming the Range ............................. 32
Data Registers ............................................................................. 33
Rev. B | Page 2 of 52
Device Features ............................................................................... 40
Applications Information .............................................................. 46
Outline Dimensions ....................................................................... 49
Control Registers ........................................................................ 35
Readback Operation .................................................................. 38
Output Fault ................................................................................ 40
Voltage Output Short-Circuit Protection ................................ 40
Digital Offset and Gain Control ............................................... 40
Status Readback During a Write .............................................. 40
Asynchronous Clear ................................................................... 41
Packet Error Checking ............................................................... 41
Watchdog Timer ......................................................................... 41
Output Alert ................................................................................ 41
Internal Reference ...................................................................... 41
External Current Setting Resistor ............................................ 41
HART ........................................................................................... 42
Digital Slew Rate Control .......................................................... 42
Power Dissipation control ......................................................... 43
DC-to-DC Converters ............................................................... 43
AI
AI
Voltage and Current Output Ranges on the Same Terminal 46
Current Output Mode with Internal R
Precision Voltage Reference Selection ..................................... 46
Driving Inductive Loads ............................................................ 47
Transient Voltage Protection .................................................... 47
Microprocessor Interfacing ....................................................... 47
Layout Guidelines....................................................................... 47
Galvanically Isolated Interface ................................................. 48
Ordering Guide .......................................................................... 49
CC
CC
Supply Requirements—Static .......................................... 44
Supply Requirements—Slewing ...................................... 44
SET
................................ 46
Data Sheet