Sample and Hold Amplifier, 1 Amplifier, 1 MHz, 20 µs, 2 mV, DIP, 8 Pins

LF398AN/NOPB - Sample and Hold Amplifier, 1 Amplifier, 1 MHz, 20 µs, 2 mV, DIP, 8 Pins

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Product Overview

The LF398AN/NOPB is a monolithic Sample-and-Hold Circuit for use with synchronous correlators. The monolithic sample-and-hold circuit use BI-FET technology to obtain ultrahigh DC accuracy with fast acquisition of signal and low droop rate. Operating as unity-gain follower, DC gain accuracy is 0.002% typical and acquisition time is as low as 6µs to 0.01%. A bipolar input stage is used to achieve low offset voltage and wide bandwidth. Input offset adjust is accomplished with a single pin and does not degrade input offset drift. The wide bandwidth allows the LF198-N to be included inside the feedback loop of 1MHz operational amplifiers without having stability problems. P-channel junction FETs are combined with bipolar devices in the output amplifier to give droop rates as low as 5mV/minute with a 1µF hold capacitor.
  • Logic input compatible with TTL, PMOS and CMOS
  • Low input offset
  • Low output noise in hold mode
  • High supply rejection ratio in sample or hold
  • Wide bandwidth
  • 0.1nA Maximum input bias current
  • 0.002% Gain accuracy
  • 0.5mV Typical hold step at Ch=0.01µF
  • Green product and no Sb/Br


Signal Processing, Industrial

Product Information

1 Amplifier
± 5V to ± 18V
MSL 1 - Unlimited
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