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LF6197 - 160ns Monolithic Sample-and-Hold Amplifier

Description

The LF6197 is a monolithic sample-and-hold (S H) amplifier that uses a proprietary ‘‘current-multiplexed sample-andhold’’ technique to offer extremely high speed while maintaining 12 bits or higher accuracy The device is built using National’s advanced junction-isolated VIPTM (Vertically Integrated

Features

  • Y Operates with supply voltages from g5V to g18V Y CMOS TTL and ECL compatible logic input Y Adjustable inverting or non-inverting gain Y Internal hold capacitor Y High power-supply rejection in both sample and hold modes Key Specifications Y Acquisition time (10V step to 0 01%) 160 ns Y Hold mode settling time (10V step to 0 01%) 50 ns Y Droop rate 0 6 mV ms Y Hold step 10 mV Y Aperture jitter Y Feedthrough attenuation at DC 8 psrms 83 dB Y Small signal bandwidth 25 MHz Applicatio.

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LF6197 160 ns Monolithic Sample-and-Hold Amplifier September 1992 LF6197 160 ns Monolithic Sample-and-Hold Amplifier General Description The LF6197 is a monolithic sample-and-hold (S H) amplifier that uses a proprietary ‘‘current-multiplexed sample-andhold’’ technique to offer extremely high speed while maintaining 12 bits or higher accuracy The device is built using National’s advanced junction-isolated VIPTM (Vertically Integrated PNP) and BI-FETTM process technologies The LF6197 acquires a 10V step input to within g0 01% in 160 ns and has 10 mV hold step error when going from sample to hold mode The input offset voltage in the sample mode is typically 3 mV Even at extremely fast acquisition speeds no compromises are made in the droop rate which is 0 6 mV ms When configured for unity
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