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LF451 Fiches technique(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
No de pièce LF451
Description  LF451 Wide-Bandwidth JFET-Input Operational Amplifier
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Fabricant  NSC [National Semiconductor (TI)]
Site Internet  http://www.national.com
Logo NSC - National Semiconductor (TI)

LF451 Fiches technique(HTML) 1 Page - National Semiconductor (TI)

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TLH9660
December 1995
LF451 Wide-Bandwidth
JFET-Input Operational Amplifier
General Description
The LF451 is a low-cost high-speed JFET-input operational
amplifier with an internally trimmed input offset voltage (BI-
FET IITM technology) The device requires a low supply cur-
rent 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 cur-
rents The LF451 is pin compatible with the standard
LM741 allowing designers to upgrade the overall perform-
ance of existing designs
The LF451 may be used in such applications as high-speed
integrators fast DA converters sample-and-hold circuits
and many other circuits requiring low input bias current high
input impedance high slew rate and wide bandwidth
Features
Y
Internally trimmed offset voltage
50 mV (max)
Y
Low input bias current
50 pA (typ)
Y
Low input noise current
001 pA
0Hz (typ)
Y
Wide gain bandwidth
4 MHz (typ)
Y
High slew rate
13 V ms (typ)
Y
Low supply current
34 mA (max)
Y
High input impedance
1012X (typ)
Y
Low total harmonic distortion AV e 10
k
002% (typ)
RL e 10k VO e 20 Vp–p f e 20 Hz–20 kHz
Y
Low 1f noise corner
50 Hz (typ)
Y
Fast settling time to 001%
2 ms (typ)
Connection Diagram
SO Package
TLH9660 – 2
Top View
Order Number LF451CM
See NS Package Number M08A
Typical Connection
TLH9660 – 1
Simplified Schematic
TLH9660 – 3
BI-FETTM is a trademark of National Semiconductor Corporation
C1995 National Semiconductor Corporation
RRD-B30M125Printed in U S A


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