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r. ANALOG
8 L.III DEVICES
CMOS 10-BitMonolithiAc ID Converter
FEATURES 8- and 10-Bit Resolution
20llS Conversion Time
Microprocessor Compatibility
Very Low Power Dissipation
Parallel and Serial Outputs
Ratiometric Operation
TTL/DTL/CMOS Logic Compatibility
CMOS Monolithic Construction
O8 BGENERAL DESCRIPTION SThe AD7570 is a monolithic CMOS 10-bit successive approxi-
mation AID converter on a 120 by 13 5 mil chip, requiring
Oonly an external comparator, reference and passive clocking
components. Ratiometric operation is inherent, since an ex-
8 Ltremely accurate multiplying DAC is used in the feedback loop.