LH0022 National Semiconductor, LH0022 Datasheet

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LH0022

Manufacturer Part Number
LH0022
Description
Low Cost FET Op Amp
Manufacturer
National Semiconductor
Datasheet

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C 1995 National Semiconductor Corporation
LH0042
Low Cost FET Op Amp
General Description
The LH0042 is a FET input operational amplifier with very
high input impedance and low input currents with no com-
promise in noise common mode rejection ratio open loop
gain or slew rate The LH0042 is internally compensated
and is free of latch-up
The LH0042 is specified for operation over the
a
fied for operation over the
range
Connection Diagram
125 C military temperature range The LH0042C is speci-
b
TL K 5557
25 C to
Order Number LH0042H-MIL LH0042H or LH0042CH
a
85 C temperature
See NS Package Number H08D
b
Metal Can Package
55 C to
Top View
The LH0042 op amp is intended to fulfill a wide variety of
applications for process control medical instrumentation
and other systems requiring very low input currents The
LH0042 provides low cost high performance for such appli-
cations as electrometer and photocell amplification pico-
ammeters and high input impedance buffers
Features
Y
Y
Y
High open loop gain 100 dB typ
Internal compensation
Pin compatible with standard IC op amps
(TO-99 package)
TL K 5557 – 3
RRD-B30M115 Printed in U S A
February 1995

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LH0022 Summary of contents

Page 1

... Connection Diagram Order Number LH0042H-MIL LH0042H or LH0042CH C 1995 National Semiconductor Corporation TL K 5557 The LH0042 op amp is intended to fulfill a wide variety of applications for process control medical instrumentation and other systems requiring very low input currents The LH0042 provides low cost high performance for such appli- ...

Page 2

... S Short Circuit Duration Operating Temperature Range LH0022 LH0042 LH0052 22V LH0022C LH0042C LH0052C g 500 mW Storage Temperature Range 15V Lead Temperature (Soldering 10 sec ) g 30V for LH0022 LH0022C (Note Conditions LH0022 Min Typ 15V V 15V e S ...

Page 3

DC Electrical Characteristics Parameter Input Offset Voltage R 100 Temperature Coefficient of R 100 Input Offset Voltage Offset Voltage Drift with Time Input Offset Current (Note Input Bias ...

Page 4

... 100 105 114 mW 15V) LH0022C 42C 52C Units Typ Max kHz 1 0 MHz ...

Page 5

AC Electrical Characteristics Parameter Conditions Input Noise Voltage 100 kHz ...

Page 6

Schematic Diagram 6 ...

Page 7

Typical Applications Precision Voltage Comparator Subtractor for Automatic Test Gear e e OUT Sensitive Low Cost ‘‘VTVM’’ 5557 – 5557 – IN1 IN2 TL K 5777 – ...

Page 8

Typical Applications (Continued) Ultra Low Level Current Source Sample and Hold Polystyrene dielectric Re-Zeroing Amplifier polystyrene 5777 – 5557 – 5557 – 17 ...

Page 9

Typical Performance Characteristics Maximum Power Dissipation Input Offset Voltage vs Temperature Total Input Noise Voltage vs Frequency Noise voltage includes contribution from source resistance Input Offset Current Input Bias Current vs vs Temperature Temperature Offset Error Total Input Noise Voltage ...

Page 10

Typical Performance Characteristics Supply Voltage vs Supply Current Output Voltage Swing vs Load Resistance Voltage Follower Large Signal Response Frequency Characteristics vs Supply Voltage (Continued) Output Swing vs Voltage Gain Supply Voltage Output Voltage Swing vs Current Limiting Frequency Frequency ...

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11 ...

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... Hong Kong Ltd 49) 0-180-530 85 86 13th Floor Straight Block a Ocean Centre 5 Canton Rd 49) 0-180-530 85 85 Tsimshatsui Kowloon a Tel ( 49) 0-180-532 78 32 Hong Kong a 49) 0-180-532 93 58 Tel (852) 2737-1600 a Tel ( 49) 0-180-534 16 80 Fax (852) 2736-9960 a National Semiconductor Japan Ltd Tel 81-043-299-2309 Fax 81-043-299-2408 ...

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