AD5700/AD5700-1

Data Sheet

Rev. A | Page 2 of 20

TABLE OF CONTENTS

Features .............................................................................................. 1

 

Applications....................................................................................... 1

 

General Description ......................................................................... 1

 

Functional Block Diagram .............................................................. 1

 

Revision History ............................................................................... 2

 

Specifications..................................................................................... 3

 

Timing Characteristics ................................................................ 5

 

Absolute Maximum Ratings............................................................ 6

 

Thermal Resistance ...................................................................... 6

 

ESD Caution.................................................................................. 6

 

Pin Configuration and Function Descriptions............................. 7

 

Typical Performance Characteristics ............................................. 9

 

Terminology .................................................................................... 12

 

Theory of Operation ...................................................................... 13

 

FSK Modulator ........................................................................... 13

 

Connecting to HART_OUT ..................................................... 14

 

FSK Demodulator ...................................................................... 14

 

Connecting to HART_IN or ADC_IP .................................... 14

 

Clock Configuration .................................................................. 15

 

Power-Down Mode.................................................................... 16

 

Full Duplex Operation............................................................... 16

 

Applications Information .............................................................. 17

 

Supply Decoupling ..................................................................... 17

 

Typical Connection Diagrams.................................................. 17

 

Outline Dimensions ....................................................................... 20

 

Ordering Guide .......................................................................... 20

 

REVISION HISTORY

4/12—Rev. 0 to Rev. A

Change to Transmit Impedance Parameter, RTS Low, Table 2 .. 4

Changes to Figure 3, Figure 4, Figure 5, and Figure 7................. 9

Changes to Figure 10 and Figure 11............................................. 10

Changed AD5755 to AD5755-1 Throughout ............................. 17

Change to Figure 27 ....................................................................... 18

2/12—Revision 0: Initial Version