LF412MH
Low Offset, Low Drift Dual JFET Input Operational Amplifier
General Description
These devices are low cost, high speed, JFET input operational amplifiers with very low input offset voltage and guaranteed input offset voltage drift. They require low supply
current yet maintaia large gaibandwidth product and fast
slew rate. Iaddition, well matched high voltage JFET input
devices provide very low input bias and offset currents. The
LF412 dual is picompatible with the LM1558, allowing
designers to immediately upgrade the overall performance of
existing designs.
These amplifiers may be used iapplications such as high
speed integrators, fast D/A converters, sample and hold
circuits and many other circuits requiring low input offset
voltage and drift, low input bias current, high input impedance, high slew rate and wide bandwidth.
Features
Internally trimmed offset voltage: 1 mV (max)
Input offset voltage drift: 10 µV/?C (max)
Low input bias current: 50 pA
Low input noise current:
Wide gaibandwidth: 3 MHz (min)
High slew rate: 10V/µs (min)
Low supply current: 1.8 mA/Amplifier
High input impedance: 10 12?
Low total harmonic distortio≤0.02%
Low 1/f noise corner: 50 Hz
Fast settling time to 0.01%: 2 µs
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