AD652_15 Datasheet, PDF (2/28 Pages) Analog Devices – Monolithic Synchronous Voltage-to-Frequency Converter

AD652
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
REVISION HISTORY
5/04—Data 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
2/00—Data Sheet Changed from Rev. A to Rev. B
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
Rev. C | Page 2 of 28