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TL082的详细信息
Feature: | JFET-Input Operational Amplifier |
---|
April 1998
TL082
Wide Bandwidth Dual JFET Input Operational Amplifier
General Description
These devices are low cost, high speed, dual JFET input op-
erational amplifiers with an internally trimmed input offset
Features
n Internally trimmed offset voltage: 15 mV
n Low input bias current: 50 pA
™
voltage (BI-FET II technology). They require low supply
√
n Low input noise voltage: 16nV/ Hz
current 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
TL082 is pin compatible with the standard LM1558 allowing
designers to immediately upgrade the overall performance of
existing LM1558 and most LM358 designs.
√
n Low input noise current: 0.01 pA/ Hz
n Wide gain bandwidth: 4 MHz
n High slew rate: 13 V/µs
n Low supply current: 3.6 mA
n High input impedance: 1012Ω
=
<
n Low total harmonic distortion AV 10,:
0.02%
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, low input bias current, high input impedance, high slew
rate and wide bandwidth. The devices also exhibit low noise
and offset voltage drift.
=
=
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
Typical Connection
Connection Diagram
DIP/SO Package (Top View)
DS008357-3
DS008357-1
Order Number TL082CM or TL082CP
See NS Package Number M08A or N08E
Simplified Schematic
DS008357-2
™
BI-FET II is a trademark of National Semiconductor Corp.
© 1999 National Semiconductor Corporation
DS008357
www.national.com
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