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LM4250CN Schematic ( PDF Datasheet ) - National Semiconductor

Teilenummer LM4250CN
Beschreibung Programmable Operational Amplifier
Hersteller National Semiconductor
Logo National Semiconductor Logo 




Gesamt 12 Seiten
LM4250CN Datasheet, Funktion
May 1998
LM4250
Programmable Operational Amplifier
General Description
The LM4250 and LM4250C are extremely versatile program-
mable monolithic operational amplifiers. A single external
master bias current setting resistor programs the input bias
current, input offset current, quiescent power consumption,
slew rate, input noise, and the gain-bandwidth product. The
device is a truly general purpose operational amplifier.
The LM4250C is identical to the LM4250 except that the
LM4250C has its performance guaranteed over a 0˚C to
+70˚C temperature range instead of the −55˚C to +125˚C
temperature range of the LM4250.
Features
n ±1V to ±18V power supply operation
n 3 nA input offset current
n Standby power consumption as low as 500 nW
n No frequency compensation required
n Programmable electrical characteristics
n Offset voltage nulling capability
n Can be powered by two flashlight batteries
n Short circuit protection
Connection Diagrams
Metal Can Package
Dual-In-Line Package
Top View
DS009300-2
Ordering Information
Temperature Range
Military
Commercial
−55˚C TA +125˚C
0˚C TA +70˚C
LM4250CN
LM4250CM
LM4250J
LM4250J-MIL
LM4250H
LM4250H-MIL
LM4250CH
Package
8-Pin
Molded DIP
8-Pin
Surface Mount
8-Pin
Ceramic DIP
8-Pin
Metal Can
NSC
Package
Number
N08E
M08A
J08E
H08C
Top View
DS009300-5
© 1999 National Semiconductor Corporation DS009300
www.national.com






LM4250CN Datasheet, Funktion
Typical Performance Characteristics (Continued)
Peak to Peak Output Voltage
Swing vs Supply Voltage
Quiescent Current (Iq) vs
Temperature
Quiescent Current (Iq) vs ISET
Slew Rate vs ISET
DS009300-21
DS009300-22
Gain Bandwidth Product
vs ISET
DS009300-23
Open Loop Voltage Gain
vs ISET
DS009300-24
Phase Margin vs ISET
DS009300-25
Input Noise Current (In) and
Voltage (En) vs Frequency
RSET vs ISET
DS009300-26
DS009300-27
DS009300-28
DS009300-29
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LM4250CN pdf, datenblatt
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.
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Fax: 1-800-737-7018
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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.

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