lh4001 National Semiconductor Corporation, lh4001 Datasheet

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lh4001

Manufacturer Part Number
lh4001
Description
Wideband Current Buffer
Manufacturer
National Semiconductor Corporation
Datasheet

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C 1995 National Semiconductor Corporation
LH4001 Wideband Current Buffer
General Description
The LH4001 is a high speed unity gain buffer designed to
provide high current drive capability at frequencies from DC
to over 25 MHz It is capable of providing a continuous out-
put current of
The LH4001 is designed to fulfill a wide range of applica-
tions such as impedance transformation high impedance
input buffers for A D converters and comparators as well
as high speed line drivers It is also suitable for use in cur-
rent booster applications within an op amp loop This allows
the output current capability of existing op amps to be in-
creased to
Typical Applications and Connection Diagram
g
100 mA
g
100 mA and a peak of
Note Electrically connected internally No connection should be made to these pins
TL K 8628
g
200 mA
See NS Package Number N10A
Order Number LH4001CN
Dual-In-Line Package
Top View
Features
Y
Y
Y
Y
Y
Applications
Y
Y
Y
Y
DC to 25 MHz bandwidth
125 V ms slew rate
Drives
Operates from
Output swing approaches supply voltage
Boost op amp output
Buffer amplifiers
Isolate capacitive loads
Drive long cables
g
10V into 50X
TL K 8628 – 2
g
5 to
g
20V supplies
TL K 8628 – 1
RRD-B30M115 Printed in U S A
February 1995

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lh4001 Summary of contents

Page 1

... The LH4001 is designed to fulfill a wide range of applica- tions such as impedance transformation high impedance input buffers for A D converters and comparators as well as high speed line drivers It is also suitable for use in cur- rent booster applications within an op amp loop This allows ...

Page 2

Absolute Maximum Ratings If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Supply Voltage V S Continuous Output Current I O Peak Output Current I O(peak) ( ...

Page 3

... Popular industry standard op- erational amplifiers such as LF156 LF351 LF411 LF441 LM11 LM741 etc can be used in this configuration Due to the high bandwidth of the LH4001 it is suitable for use with most monolithic op amps Figure 2 shows an implementation of an inverting amplifier ...

Page 4

... Applications Information (Continued) FIGURE 3 Coaxial Cable Drive Circuit FIGURE 4 Non-Inverting Buffer Amplifier with Gain FIGURE 5 LH4001 Using Resistor Current Limiting R LIM TL K 8628 – OUT 8628 – FIGURE 6 Current Limit Using Current Sources ...

Page 5

5 ...

Page 6

... National does not assume any responsibility for use of any circuitry described no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications Molded Dual-in-Line Package (N) Order Number LH4001CN NS Package Number N10A 2 A critical component is any component of a life ...

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