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Topic       : Chips 'n Chips
Author      : Michael Ruge
Version     : chips_x.hyp (01/05/2001)
Subject     : Dokumentation/Hardware
Nodes       : 1505
Index Size  : 35662
HCP-Version : 3
Compiled on : Atari
@charset    : atarist
@lang       : 
@default    : 
@help       : 
@options    : -i -s +zz -t4
@width      : 75
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   LF347 - Wide Bandwidth Quad JFET Input Operational Amplifiers
 
 
index=1298
General Description The LF147 is a low cost, high speed quad JFET input operational am- plifier with an internally trimmed input offset voltage (BI-FET II technology). The device requires a low supply current and yet main- tains a large gain bandwidth product and a fast slew rate. In addi- tion, 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 Internally trimmed offset voltage: 5 mV max Low input bias current: 50 pA Low input noise current: 0.01 pA Wide gain bandwidth: 4 MHz High slew rate: 13 V/us Low supply current: 7.2 mA High input impedance: 10 hoch 12 Ohm Low total harmonic distortion Av=10, <0.02% Rl=10k, Vo=20Vp-p and BW=20Hz-20KHz Low 1/f noise corner: 50 Hz Fast settling time to 0.01%:2us Kapitel LF347 - Wide Bandwidth Quad JFET Input Op. Amplifiers