apex microtechnology corporation ? telephone (520) 690-8600 ? fax (520) 888-3329 ? orders (520) 690-8601 ? email prodlit@apexmicrotech.com 1 typical application low power, piezoelectric positioning piezo positioning may be applied to the focusing of segment - ed mirror systems. the composite mirror may be composed of hundreds of elements, each requiring focusing under computer control. in such complex systems the PA97DR reduces the costs of power supplies and cooling with its advantages of low cost and low quiescent power consumption while increasing circuit density with the sip package. external connections * .01f or greater ceramic power supply bypassing required. cc = 10pf minimum, 1kv npo (cog). phase compensation gain cc 10 10pf features ? high voltage 900v (450v) ? low quiescent current 600a ? high output current 10 ma applications ? mass spectrometers ? scanning coils ? high voltage instrumentation ? programmable power supplies up to 880v ? semiconductor measurement equipment description the PA97DR is a high voltage mosfet operational amplifer designed as a low cost solution for driving continuous output currents up to 10 ma and pulse currents to 15 ma into capacitive loads. the safe operating area (soa) has no second break - down limitations. the mosfet output stage is biased class c for low quiescent current operation. external compensation provides fexibility in choosing bandwidth and slew rate for the application. apexs sip05 package uses a minimum of board space allowing for high density circuit boards. equivalent schematic ) 5 5 1 8 8 8 " 1 & 9 . * $ 3 0 5 & $ ) $ 0 . " 1 & 9 m i c r o t e c h n o l o g y ) * ( ) 7 0 - 5 " ( & |