LF411XYZ 반도체 회로 부품 판매점
Low Offset/ Low Drift JFET Input Operational Amplifier
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 National Semiconductor |
April 1998
LF411
Low Offset, Low Drift JFET Input Operational Amplifier
General Description
These devices are low cost, high speed, JFET input opera-
tional amplifiers with very low input offset voltage and guar-
anteed input offset voltage drift. They require low supply cur-
rent yet maintain a large gain bandwidth product and fast
slew rate. In addition, well matched high voltage JFET input
devices provide very low input bias and offset currents. The
LF411 is pin compatible with the standard LM741 allowing
designers to immediately upgrade the overall performance of
existing designs.
These amplifiers may be used in applications such as high
speed integrators, fast D/A converters, sample and hold cir-
cuits and many other circuits requiring low input offset volt-
age and drift, low input bias current, high input impedance,
high slew rate and wide bandwidth.
Features
n Internally trimmed offset voltage: 0.5 mV(max)
n Input offset voltage drift: 10 µV/˚C(max)
n Low input bias current: 50 pA
n Low input noise current:
n Wide gain bandwidth: 3 MHz(min)
n High slew rate: 10V/µs(min)
n Low supply current: 1.8 mA
n High input impedance: 1012Ω
n Low total harmonic distortion AV=10,
RL=10k, VO=20 Vp-p, BW=20 Hz−20 kHz: <0.02%
n Low 1/f noise corner: 50 Hz
n Fast settling time to 0.01%: 2 µs
Typical Connection
Connection Diagrams
Metal Can Package
Ordering Information
LF411XYZ
X indicates electrical grade
Y indicates temperature range
“M” for military
“C” for commercial
Z indicates package type
“H” or “N”
DS005655-1
DS005655-5
Note: Pin 4 connected to case.
Top View
Order Number LF411ACH
or LF411MH/883 (Note 1)
See NS Package Number H08A
Dual-In-Line Package
DS005655-7
Top View
Order Number LF411ACN,
LF411CN or LF411MJ/883 (Note 1)
See NS Package Number N08E or J08A
BI-FET II™ is a trademark of National Semiconductor Corporation.
© 1999 National Semiconductor Corporation DS005655
www.national.com
Simplified Schematic
Note 1: Available per JM38510/11904
DS005655-6
www.national.com
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LF411XYZ amplifier
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