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AD2S81A

Part Number	AD2S81A
Manufacturer	Analog Devices
Description	Variable Resolution/ Monolithic Resolver-to-Digital Converters
Published	Mar 23, 2005
Detailed Description	a FEATURES Monolithic (BiMOS ll) Tracking R/D Converter Ratiometric Conversion Low Power Consumption: 300 mW Typ Dynamic...
Datasheet	AD2S81A PDF File

Overview

a FEATURES Monolithic (BiMOS ll) Tracking R/D Converter Ratiometric Conversion Low Power Consumption: 300 mW Typ Dynamic Performance Set by User Velocity Output ESD Class 2 Protection (2,000 V Min) AD2S81A 28-Lead DIP Package Low Cost AD2S82A 44-Lead PLCC Package 10-, 12-, 14- and 16-Bit Resolution Set by User High Max Tracking Rate 1040 RPS (10 Bits) VCO Output (Inter LSB Output) Data Complement Facility Industrial Temperature Range APPLICATIONS DC Brushless and AC Motor Control Process Control Numerical Control of Machine Tools Robotics Axis Control GENERAL DESCRIPTION Variable Resolution, Monolithic Resolver-to-Digital Converters AD2S81A/AD2S82A AD2S82A FUNCTIONAL BLOCK DIAGRAM DEMOD DEMOD INTEGRATOR I/P O/P I/P AD2S82A SIN I/P SIGNAL GND COS I/P ANALOG GND RIPPLE CLK +12V –12V COMP DATA LOAD A1 SEGMENT SWITCHING A2 PHASE SENSITIVE DETECTOR R-2R DAC INTEGRATOR O/P A3 AC ERROR O/P VCO I/P INHIBIT VCO O/P +5V 16-BIT UP/DOWN COUNTER VCO DATA TRANSFER LOGIC OUTPUT DATA LATCH SC...

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