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 SC2 SC1 ENABLE BUSY DIR BYTE SELECT
DIGITAL GND
16 DATA BITS
An analo
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.