AD5735 Analog Devices, AD5735 Datasheet - Page 2

• Manufacturer Part Number: AD5735
• Description: Quad Channel, 12-Bit, Serial Input, 4-20 mA & Voltage Output DAC with Dynamic Power Control
• Manufacturer: Analog Devices

Specifications of AD5735

• Resolution (bits): 12bit
• Dac Settling Time: 11µs
• Max Pos Supply (v): +33V
• Single-supply: No
• Dac Type: I or V Out
• Dac Input Format: SPI

AD5735
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Companion Products ....................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Detailed Functional Block Diagram .............................................. 3
Specifications..................................................................................... 4
Absolute Maximum Ratings.......................................................... 11
Pin Configuration and Function Descriptions........................... 12
Typical Performance Characteristics ........................................... 15
Terminology .................................................................................... 26
Theory of Operation ...................................................................... 28
Registers ........................................................................................... 30
REVISION HISTORY
11/11—Rev. 0 to Rev. A
Added Comments to OUTPUT CHARACTERISTICS and
ACCURACY, CURRENT OUTPUT Parameters in
Table 1 ................................................................................................ 4
Changes to Power-On State of the AD5735 Section.................. 29
Changes to Readback Operation Section .................................... 37
7/11—Revision 0: Initial Version
AC Performance Characteristics ................................................ 7
Timing Characteristics ................................................................ 8
Thermal Resistance .................................................................... 11
ESD Caution................................................................................ 11
Voltage Outputs .......................................................................... 15
Current Outputs ......................................................................... 19
DC-to-DC Converter................................................................. 23
Reference ..................................................................................... 24
General......................................................................................... 25
DAC Architecture....................................................................... 28
Power-On State of the AD5735 ................................................ 29
Serial Interface ............................................................................ 29
Transfer Function ....................................................................... 29
Enabling the Output................................................................... 31
Reprogramming the Output Range ......................................... 31
Data Registers ............................................................................. 32
Rev. A | Page 2 of 48
Device Features............................................................................... 39
Applications Information .............................................................. 45
Outline Dimensions ....................................................................... 48
Control Registers........................................................................ 34
Readback Operation .................................................................. 37
Fault Output................................................................................ 39
Voltage Output Short-Circuit Protection................................ 39
Digital Offset and Gain Control............................................... 39
Status Readback During a Write .............................................. 39
Asynchronous Clear................................................................... 40
Packet Error Checking............................................................... 40
Watchdog Timer......................................................................... 40
Alert Output................................................................................ 40
Internal Reference ...................................................................... 40
External Current Setting Resistor ............................................ 40
Digital Slew Rate Control.......................................................... 41
Dynamic Power Control............................................................ 41
DC-to-DC Converters............................................................... 42
AI
AI
Voltage and Current Output Pins on the Same Terminal..... 45
Current Output Mode with Internal R
Precision Voltage Reference Selection..................................... 45
Driving Inductive Loads............................................................ 46
Transient Voltage Protection .................................................... 46
Microprocessor Interfacing....................................................... 46
Layout Guidelines....................................................................... 46
Galvanically Isolated Interface ................................................. 47
Ordering Guide .......................................................................... 48
CC
CC
Supply Requirements—Static .......................................... 43
Supply Requirements—Slewing ...................................... 43
SET
................................ 45
Data Sheet