AD652
Rev. C | Page 2 of 28
TABLE OF CONTENTS
Specifications.....................................................................................3
Absolute Maximum Ratings............................................................5
ESD Caution..................................................................................5
Definitions of Specifications.......................................................5
Theory of Operation........................................................................6
Overrange......................................................................................8
SVFC Connection for Dual Supply, Positive Input Voltages..9
SVFC Connections for Negative Input Voltages......................9
SVFC Connection for Bipolar Input Voltages........................10
PLCC Connections.....................................................................11
Gain and Offset Calibration......................................................11
Gain Performance......................................................................12
Reference Noise..........................................................................12
Digital Interfacing Considerations...........................................12
Component Selection................................................................12
Digital Ground............................................................................13
Single-Supply Operation...........................................................14
Frequency-to-Voltage Converter.............................................15
Decoupling and Grounding......................................................16
Frequency Output Multiplier....................................................17
Single-Line Multiplexed Data Transmission..........................18
Isolated Front End......................................................................22
A-to-D Conversion....................................................................22
Delta Modulator.........................................................................23
Bridge Transducer Interface......................................................24
Outline Dimensions.......................................................................25
Ordering Guide...............................................................................26
REVISION HISTORY
5/04Data Sheet Changed from Rev. B to Rev. C
Updated Format..............................................................Universal
Changes to Gain and Offset Calibration section....................11
Updated Outline Dimensions...................................................25
Changes to Ordering Guide......................................................26
2/00Data Sheet Changed from Rev. A to Rev. B