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LF442MH/883 Datasheet

  • LF442MH/883

  • Dual Low Power JFET Input Operational Amplifier

  • 12頁

  • NSC

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LF442 Dual Low Power JFET Input Operational Amplifier
April 1999
LF442
Dual Low Power JFET Input Operational Amplifier
General Description
The LF442 dual low power operational amplifiers provide
many of the same AC characteristics as the industry stan-
dard LM1458 while greatly improving the DC characteristics
of the LM1458. The amplifiers have the same bandwidth,
slew rate, and gain (10 k鈩?load) as the LM1458 and only
draw one tenth the supply current of the LM1458. In addition
the well matched high voltage JFET input devices of the
LF442 reduce the input bias and offset currents by a factor of
10,000 over the LM1458. A combination of careful layout de-
sign and internal trimming guarantees very low input offset
voltage and voltage drift. The LF442 also has a very low
equivalent input noise voltage for a low power amplifier.
The LF442 is pin compatible with the LM1458 allowing an
immediate 10 times reduction in power drain in many appli-
cations. The LF442 should be used where low power dissi-
pation and good electrical characteristics are the major con-
siderations.
Features
n
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n
n
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n
1/10 supply current of a LM1458: 400 碌A(chǔ) (max)
Low input bias current: 50 pA (max)
Low input offset voltage: 1 mV (max)
Low input offset voltage drift: 10 碌V/藲C (max)
High gain bandwidth: 1 MHz
High slew rate: 1 V/碌s
Low noise voltage for low power:
Low input noise current:
High input impedance: 10
12
鈩?/div>
High gain V
O
=
鹵
10V, R
L
= 10k: 50k (min)
Typical Connection
Connection Diagrams
Metal Can Package
DS009155-2
Pin 4 connected to case
DS009155-1
Ordering Information
LF442XYZ
X
indicates electrical grade
Y
indicates temperature range
鈥淢鈥?for military
鈥淐鈥?for commercial
Z
indicates package type
鈥淗鈥?or 鈥淣鈥?/div>
Top View
Order Number LF442AMH or LF442MH
or LF442MH/883
See NS Package Number H08A
Dual-In-Line Package
DS009155-4
Top View
Order Number LF442ACN or LF442CN
See NS Package Number N08E
BI-FET II
鈩?/div>
is a trademark of National Semiconductor Corporation.
漏 1999 National Semiconductor Corporation
DS009155
www.national.com

LF442MH/883相關(guān)型號PDF文件下載

  • 型號
    版本
    描述
    廠商
    下載
  • 英文版
    Low Power JFET Input Operational Amplifier
  • 英文版
    Dual Low Power JFET Input Operational Amplifier
    NSC
  • 英文版
    Dual Low Power JFET Input Operational Amplifier
    NSC [Natio...
  • 英文版
    Quad Low Power JFET Input Operational Amplifier
    NSC
  • 英文版
    Quad Low Power JFET Input Operational Amplifier
    NSC [Natio...
  • 英文版
    Video Memory / FIFO
    LUXPIA [LU...
  • 英文版
    LOW POWER JFET INPUT OPERATIONAL AMPLIFIERS
    ONSEMI
  • 英文版
    LOW POWER JFET INPUT OPERATIONAL AMPLIFIERS
    ONSEMI [ON...
  • 英文版
    Amplifiers and Comparators
    MOTOROLA
  • 英文版
    Amplifiers and Comparators
    MOTOROLA [...
  • 英文版
    Video Memory / FIFO
    LUXPIA [LU...
  • 英文版
    Amplifiers and Comparators
    MOTOROLA
  • 英文版
    Amplifiers and Comparators
    MOTOROLA [...
  • 英文版
    Video Memory / FIFO
    LUXPIA [LU...
  • 英文版
    LOW POWER JFET INPUT OPERATIONAL AMPLIFIERS
    ONSEMI
  • 英文版
    LOW POWER JFET INPUT OPERATIONAL AMPLIFIERS
    MOTOROLA
  • 英文版
    LOW POWER JFET INPUT OPERATIONAL AMPLIFIERS
    ONSEMI [ON...
  • 英文版
    LOW POWER JFET INPUT OPERATIONAL AMPLIFIERS
    MOTOROLA [...
  • 英文版
    LOW POWER JFET INPUT OPERATIONAL AMPLIFIERS
    ONSEMI
  • 英文版
    LOW POWER JFET INPUT OPERATIONAL AMPLIFIERS
    MOTOROLA

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