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LF347M

National Semiconductor
Part Number LF347M
Manufacturer National Semiconductor
Description Wide Bandwidth Quad JFET Input Operational Amplifiers
Published Mar 22, 2005
Detailed Description LF147/LF347 Wide Bandwidth Quad JFET Input Operational Amplifiers May 1999 LF147/LF347 Wide Bandwidth Quad JFET Input ...
Datasheet PDF File LF347M PDF File

LF347M
LF347M

Overview
LF147/LF347 Wide Bandwidth Quad JFET Input Operational Amplifiers May 1999 LF147/LF347 Wide Bandwidth Quad JFET Input Operational Amplifiers General Description The LF147 is a low cost, high speed quad JFET input operational amplifier with an internally trimmed input offset voltage (BI-FET II™ technology).
The device requires a low supply current and yet maintains a large gain bandwidth product and a fast slew rate.
In addition, well matched high voltage JFET input devices provide very low input bias and offset currents.
The LF147 is pin compatible with the standard LM148.
This feature allows designers to immediately upgrade the overall performance of existing LF148 and LM124 designs.
The LF147 may be used in applications such as high speed integrators, fast D/A converters, sample-and-hold circuits and many other circuits requiring low input offset voltage, low input bias current, high input impedance, high slew rate and wide bandwidth.
The device has low noise and offset voltage drift.
Features n n n n n n n n Internally trimmed offset voltage: 5 mV max Low input bias current: 50 pA Low input noise current: Wide gain bandwidth: 4 MHz High slew rate: 13 V/µs Low supply current: 7.
2 mA High input impedance: 1012Ω Low total harmonic distortion AV = 10,: < 0.
02% RL = 10k, VO = 20 Vp-p, BW = 20 Hz−20 kHz n Low 1/f noise corner: 50 Hz n Fast settling time to 0.
01%: 2 µs Simplified Schematic 14 Connection Diagram Dual-In-Line Package ⁄ Quad DS005647-1 DS005647-13 Note 1: Available per SMD #8102306, JM38510/11906.
Top View Order Number LF147J, LF347M, LF347BN, LF347N or LF147J/883 (Note 1) See NS Package Number J14A, M14A or N14A BI-FET II™ is a trademark of National Semiconductor Corporation.
© 1999 National Semiconductor Corporation DS005647 www.
national.
com Absolute Maximum Ratings (Note 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications.
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