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LF441MH 数据表(PDF) 2 Page - Texas Instruments

部件名 LF441MH
功能描述  LF441 Low Power JFET Input Operational Amplifier
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

LF441MH 数据表(HTML) 2 Page - Texas Instruments

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TLH9297
February 1995
LF441 Low Power JFET
Input Operational Amplifier
General Description
The LF441 low power operational amplifier provides many
of the same AC characteristics as the industry standard
LM741 while greatly improving the DC characteristics of the
LM741 The amplifier has the same bandwidth slew rate
and gain (10 kX load) as the LM741 and only draws one
tenth the supply current of the LM741 In addition the well
matched high voltage JFET input devices of the LF441 re-
duce the input bias and offset currents by a factor of 10000
over the LM741 A combination of careful layout design and
internal trimming guarantees very low input offset voltage
and voltage drift The LF441 also has a very low equivalent
input noise voltage for a low power amplifier
The LF441 is pin compatible with the LM741 allowing an
immediate 10 times reduction in power drain in many appli-
cations The LF441 should be used where low power
dissipation and good electrical characteristics are the major
considerations
Features
Y
110 supply current of a LM741
200 mA (max)
Y
Low input bias current
50 pA (max)
Y
Low input offset voltage
05 mV (max)
Y
Low input offset voltage drift
10 mV C (max)
Y
High gain bandwidth
1 MHz
Y
High slew rate
1 V ms
Y
Low noise voltage for low power
35 nV SHz
Y
Low input noise current
001 pA SHz
Y
High input impedance
1012X
Y
High gain VO e g10V RL e 10k
50k (min)
Typical Connection
TLH9297 – 1
Ordering Information
LF441XYZ
X
indicates electrical grade
Y
indicates temperature range
‘‘M’’ for military
‘‘C’’ for commercial
Z
indicates package type
‘‘H’’ or ‘‘N’’
Connection Diagrams
Metal Can Package
TLH9297 – 2
Top View
Note
Pin 4 connected to case
Order Number LF441MH883
See NS Package Number H08A
Dual-In-Line Package
TLH9297 – 4
Top View
Order Number LF441ACN
LF441CM or LF441CN
See NS Package Number M08A or N08E
BI-FETTM is a trademark of National Semiconductor Corporation
C1995 National Semiconductor Corporation
RRD-B30M115Printed in U S A


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