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LF441 - Low Power JFET Input Operational Amplifier

Description

The LF441 low power operational amplifier provides many of the same AC characteristics as the industry standard LM741 while greatly improving the DC characteristics of the LM741 The amplifier has the same bandwidth slew rate and gain (10 kX load) as the LM741 and only draws one tenth the supply curr

Features

  • Y 1 10 supply current of a LM741 Y Low input bias current Y Low input offset voltage Y Low input offset voltage drift Y High gain bandwidth Y High slew rate Y Low noise voltage for low power Y Low input noise current Y High input impedance Y High gain VO e g10V RL e 10k 200 mA (max) 50 pA (max) 0 5 mV (max) 10 mV C (max) 1 MHz 1 V ms 35 nV SHz 0 01 pA SHz 1012X 50k (min) Typical Connection Ordering Information LF441XYZ X indicates electrical grade Y indicates temperature range ‘‘M’’ for milit.

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LF441 Low Power JFET Input Operational Amplifier Obsolete February 1995 LF441 Low Power JFET Input Operational Amplifier General Description The LF441 low power operational amplifier provides many of the same AC characteristics as the industry standard LM741 while greatly improving the DC characteristics of the LM741 The amplifier has the same bandwidth slew rate and gain (10 kX load) as the LM741 and only draws one tenth the supply current of the LM741 In addition the well matched high voltage JFET input devices of the LF441 reduce the input bias and offset currents by a factor of 10 000 over the LM741 A combination of careful layout design and internal trimming guarantees very low input offset voltage and voltage drift The LF441 also has a very low equivalent input noise voltage for
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