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LF347BN-LF347M
Wide Bandwidth Quad JFET Input Operational Amplifiers
LF147/LF347
Wide Bandwidth Quad JFET Input Operational Amplifiers
General DescriptionThe LF147isa low cost, high speed quad JFET input
operational amplifier withan internally trimmed input offset
voltage (BI-FET II™ technology). The device requiresa low
supply current and yet maintainsa large gain bandwidth
product anda fast slew rate.In addition, well matched high
voltage JFET input devices provide very low input bias and
offset currents. The LF147ispin compatible with the stan-
dard LM148. This feature allows designersto immediately
upgrade the overall performanceof existing LF148 and
LM124 designs.
The LF147 maybe usedin applications suchas 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: 50pA Low input noise current: 0.01 pA/√Hz 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: ≤0.02% Low1/f noise corner: 50Hz Fast settling timeto 0.01%: 2µs
Simplified Schematic
1⁄4 QuadConnection Diagram
Dual-In-Line Package
Note1: LF147 availableasper JM38510/11906.
Top View
Order Number LF147J, LF147J-SMD, LF347M,
LF347BN, LF347N, LF147J/883, JL147 BCA (Note1)
See NS Package Number J14A, M14Aor N14AAugust 2000
LF147/LF347
ide
Bandwidth
Quad
JFET
Input
Operational
Amplifiers
