LMC6084AIMX NSC [National Semiconductor], LMC6084AIMX Datasheet

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LMC6084AIMX

Manufacturer Part Number
LMC6084AIMX
Description
Precision CMOS Quad Operational Amplifier
Manufacturer
NSC [National Semiconductor]
Datasheet

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© 2004 National Semiconductor Corporation
LMC6084
Precision CMOS Quad Operational Amplifier
General Description
The LMC6084 is a precision quad low offset voltage opera-
tional amplifier, capable of single supply operation. Perfor-
mance characteristics include ultra low input bias current,
high voltage gain, rail-to-rail output swing, and an input
common mode voltage range that includes ground. These
features, plus its low offset voltage, make the LMC6084
ideally suited for precision circuit applications.
Other applications using the LMC6084 include precision full-
wave rectifiers, integrators, references, and sample-and-
hold circuits.
This device is built with National’s advanced Double-Poly
Silicon-Gate CMOS process.
For designs with more critical power demands, see the
LMC6064 precision quad micropower operational amplifier.
For a single or dual operational amplifier with similar fea-
tures, see the LMC6081 or LMC6082 respectively.
PATENT PENDING
Connection Diagrams
14-Pin DIP/SO
Top View
DS011467
01146701
Features
(Typical unless otherwise stated)
n Low offset voltage: 150 µV
n Operates from 4.5V to 15V single supply
n Ultra low input bias current: 10 fA
n Output swing to within 20 mV of supply rail, 100k load
n Input common-mode range includes V
n High voltage gain: 130 dB
n Improved latchup immunity
Applications
n Instrumentation amplifier
n Photodiode and infrared detector preamplifier
n Transducer amplifiers
n Medical instrumentation
n D/A converter
n Charge amplifier for piezoelectric transducers
Input Bias Current
vs Temperature
01146720
www.national.com
August 2000

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LMC6084AIMX Summary of contents

Page 1

LMC6084 Precision CMOS Quad Operational Amplifier General Description The LMC6084 is a precision quad low offset voltage opera- tional amplifier, capable of single supply operation. Perfor- mance characteristics include ultra low input bias current, high voltage gain, rail-to-rail output swing, ...

Page 2

Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Differential Input Voltage Voltage at Input/Output Pin + − Supply Voltage (V − Output Short Circuit ...

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DC Electrical Characteristics Unless otherwise specified, all limits guaranteed for 1.5V 2.5V and Symbol Parameter V Output Swing Output ...

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AC Electrical Characteristics Unless otherwise specified, all limits guaranteed for 1.5V 2.5V and Symbol Parameter SR Slew Rate GBW Gain-Bandwidth Product φ Phase Margin m Amp-to-Amp Isolation e Input-Referred Voltage ...

Page 5

Typical Performance Characteristics Distribution of LMC6084 Input Offset Voltage (T = +25˚C) A Distribution of LMC6084 Input Offset Voltage (T = +125˚C) A Supply Current vs Supply Voltage Distribution of LMC6084 01146717 01146719 01146721 5 Input Offset Voltage (T = ...

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Typical Performance Characteristics Common Mode Rejection Ratio vs Frequency Input Voltage Noise vs Frequency Output Characteristics Sinking Current www.national.com (Continued) Power Supply Rejection 01146723 Output Characteristics 01146725 Gain and Phase Response 01146727 6 Ratio vs Frequency 01146724 Sourcing Current 01146726 ...

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Typical Performance Characteristics Gain and Phase Response vs Capacitive Load with R = 600Ω L Open Loop Frequency Response Inverting Large Signal Pulse Response (Continued) Response vs Capacitive Load 01146729 01146731 01146733 7 Gain and Phase with R = 500 ...

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Typical Performance Characteristics Non-Inverting Large Signal Pulse Response Stability vs Capacitive Load 600Ω L Applications Hints AMPLIFIER TOPOLOGY The LMC6084 incorporates a novel op-amp design topology that enables it to maintain rail-to-rail output swing even when driving a ...

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Applications Hints (Continued) FIGURE 1. Cancelling the Effect of Input Capacitance CAPACITIVE LOAD TOLERANCE All rail-to-rail output swing operational amplifiers have volt- age gain in the output stage. A compensation capacitor is normally included in this integrator stage. The frequency ...

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Applications Hints (Continued) FIGURE 4. Example of Guard Ring in P.C. Board Layout Inverting Amplifier Non-Inverting Amplifier Follower FIGURE 5. Typical Connections of Guard Rings The designer should be aware that when it is inappropriate to lay out a PC ...

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Typical Single-Supply Applications (Continued and then ∴ ≈ 100 for circuit shown ( 9.822k FIGURE 7. Instrumentation ...

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... For MlL-STD-883C qualified products, please contact your local National Semiconductor Sales Office or Distributor for availability and specification information. www.national.com FIGURE Square Wave Oscillator Temperature Range Military Industrial −40˚C to +85˚C LMC6084AlN LMC6084lN LMC6084AlM, LMC6084AIMX LMC6084lM, LMC6084IMX 12 01146714 NSC Transport Drawing Media N14A Rail ...

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... Physical Dimensions inches (millimeters) unless otherwise noted Order Number LMC6084AIM, LMC6084AIMX, LMC6084IM or LMC6084IMX 14-Pin Small Outline Package (M) NS Package Number M14A 14-Pin Molded Dual-In-Line Package (N) Order Number LMC6084AIN or LMC6084IN NS Package Number N14A 13 www.national.com ...

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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. For the most current product information ...

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