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PDF LM725 Data sheet ( Hoja de datos )
| Número de pieza | LM725 | |
| Descripción | Operational Amplifier | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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May 1998
LM725
Operational Amplifier
General Description
The LM725/LM725A/LM725C are operational amplifiers fea-
turing superior performance in applications where low noise,
low drift, and accurate closed-loop gain are required. With
high common mode rejection and offset null capability, it is
especially suited for low level instrumentation applications
over a wide supply voltage range.
The LM725A has tightened electrical performance with
higher input accuracy and like the LM725, is guaranteed
over a −55˚C to +125˚C temperature range. The LM725C
has slightly relaxed specifications and has its performance
guaranteed over a 0˚C to 70˚C temperature range.
Features
n High open loop gain 3,000,000
n Low input voltage drift 0.6 µV/˚C
n High common mode rejection 120 dB
n Low input noise current 0.15 pA/√Hz
n Low input offset current 2 nA
n High input voltage range ±14V
n Wide power supply range ±3V to ±22V
n Offset null capability
n Output short circuit protection
Connection Diagrams
Metal Can Package
Dual-In-Line Package
DS010474-1
Order Number LM725H/883, LM725CH
or LM725AH/883
See NS Package Number H08C
Order Number LM725CN
See NS Package Number N08E
DS010474-2
© 1999 National Semiconductor Corporation DS010474
www.national.com
1 page  
Typical Performance Characteristics (Continued)
Power Consumption
vs Temperature
Open Loop Frequency
Response for Values
of Compensation (Note 6)
Values for Suggested Compen-
sation Networks vs Various
Close Loop Voltage Gains
DS010474-24
Frequency Response for
Various Close Loop
Gain (Note 6)
DS010474-25
Output Voltage Swing
vs Frequency (Note 6)
Transient Response
DS010474-26
DS010474-27
Note 6: Performance is shown using recommended compensation networks.
Transient Response Test Circuit
DS010474-28
DS010474-29
DS010474-8
5 www.national.com
5 Page 
Notes
LIFE SUPPORT POLICY
NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL
SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or
systems which, (a) are intended for surgical implant
into the body, or (b) support or sustain life, and
whose failure to perform when properly used in
accordance with instructions for use provided in the
labeling, can be reasonably expected to result in a
significant injury to the user.
2. A critical component is any component of a life
support device or system whose failure to perform
can be reasonably expected to cause the failure of
the life support device or system, or to affect its
safety or effectiveness.
National Semiconductor
Corporation
Americas
Tel: 1-800-272-9959
Fax: 1-800-737-7018
Email: [email protected]
www.national.com
National Semiconductor
Europe
Fax: +49 (0) 1 80-530 85 86
Email: [email protected]
Deutsch Tel: +49 (0) 1 80-530 85 85
English Tel: +49 (0) 1 80-532 78 32
Français Tel: +49 (0) 1 80-532 93 58
Italiano Tel: +49 (0) 1 80-534 16 80
National Semiconductor
Asia Pacific Customer
Response Group
Tel: 65-2544466
Fax: 65-2504466
Email: [email protected]
National Semiconductor
Japan Ltd.
Tel: 81-3-5639-7560
Fax: 81-3-5639-7507
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.
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet LM725.PDF ] | |
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