IC OP AMP DUAL CMOS R-R 8-DIP

 

LMC6482IN/NOPB

Manufacturer Part NumberLMC6482IN/NOPB
DescriptionIC OP AMP DUAL CMOS R-R 8-DIP
ManufacturerNational Semiconductor
LMC6482IN/NOPB datasheets

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Specifications of LMC6482IN/NOPB

Amplifier TypeGeneral PurposeNumber Of Circuits2
Output TypeRail-to-RailSlew Rate1.3 V/µs
Gain Bandwidth Product1.5MHzCurrent - Input Bias0.02pA
Voltage - Input Offset110µVCurrent - Supply1.3mA
Current - Output / Channel30mAVoltage - Supply, Single/dual (±)3 V ~ 15.5 V, ±1.5 V ~ 7.75 V
Operating Temperature-40°C ~ 85°CMounting TypeThrough Hole
Package / Case8-DIP (0.300", 7.62mm)Bandwidth1.5 MHz
Channel Separation150Common Mode Rejection Ratio82
Current, Input Bias0.02 pACurrent, Input Offset0.01 pA
Current, Output30 mACurrent, Supply1.3 mA
Harmonic Distortion0.01 %Impedance, Thermal90 °C/W
Number Of AmplifiersDualPackage TypeMDIP-8
Resistance, Input10 TeraohmsTemperature, Operating, Range-40 to +85 °C
Voltage, Gain666 V/mVVoltage, Input3 to 15.5 V
Voltage, Noise37 nV/sqrt HzVoltage, Offset0.11 mV
Voltage, Output, High14.7 VVoltage, Output, Low0.16 V
Voltage, Supply5 VLead Free Status / RoHS StatusLead free / RoHS Compliant
-3db Bandwidth-Other names*LMC6482IN
*LMC6482IN/NOPB
LMC6482IN
show all specifications
LMC6482IMNOPB PDF datasheetLMC6482AINNOPB PDF datasheet #2
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LMC6482
CMOS Dual Rail-To-Rail Input and Output Operational
Amplifier
General Description
The LMC6482 provides a common-mode range that extends
to both supply rails. This rail-to-rail performance combined
with excellent accuracy, due to a high CMRR, makes it
unique among rail-to-rail input amplifiers.
It is ideal for systems, such as data acquisition, that require
a large input signal range. The LMC6482 is also an excellent
upgrade for circuits using limited common-mode range am-
plifiers such as the TLC272 and TLC277.
Maximum dynamic signal range is assured in low voltage
and single supply systems by the LMC6482’s rail-to-rail out-
put swing. The LMC6482’s rail-to-rail output swing is guar-
anteed for loads down to 600Ω.
Guaranteed low voltage characteristics and low power dis-
sipation make the LMC6482 especially well-suited for
battery-operated systems.
LMC6482 is also available in MSOP package which is al-
most half the size of a SO-8 device.
See the LMC6484 data sheet for a Quad CMOS operational
amplifier with these same features.
3V Single Supply Buffer Circuit
Rail-To-Rail Input
01171301
Connection Diagram
© 2004 National Semiconductor Corporation
Features
(Typical unless otherwise noted)
n Rail-to-Rail Input Common-Mode Voltage Range
(Guaranteed Over Temperature)
n Rail-to-Rail Output Swing (within 20mV of supply rail,
100kΩ load)
n Guaranteed 3V, 5V and 15V Performance
n Excellent CMRR and PSRR: 82dB
n Ultra Low Input Current: 20fA
n High Voltage Gain (R
n Specified for 2kΩ and 600Ω loads
n Available in MSOP Package
Applications
n Data Acquisition Systems
n Transducer Amplifiers
n Hand-held Analytic Instruments
n Medical Instrumentation
n Active Filter, Peak Detector, Sample and Hold, pH
Meter, Current Source
n Improved Replacement for TLC272, TLC277
01171302
DS011713
September 2003
= 500kΩ): 130dB
L
Rail-To-Rail Output
01171303
01171304
www.national.com

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LMC6482IN/NOPB Summary of contents

  • Page 1

    ... See the LMC6484 data sheet for a Quad CMOS operational amplifier with these same features. 3V Single Supply Buffer Circuit Rail-To-Rail Input 01171301 Connection Diagram © 2004 National Semiconductor Corporation Features (Typical unless otherwise noted) n Rail-to-Rail Input Common-Mode Voltage Range (Guaranteed Over Temperature) n Rail-to-Rail Output Swing (within 20mV of supply rail, 100kΩ ...

  • Page 2

    ... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. ESD Tolerance (Note 2) Differential Input Voltage Voltage at Input/Output Pin + − Supply Voltage (V − Current at Input Pin (Note 12) Current at Output Pin (Notes 3, 8) ...

  • Page 3

    DC Electrical Characteristics Unless otherwise specified, all limits guaranteed for T limits apply at the temperature extremes. Symbol Parameter + V Output Swing ...

  • Page 4

    AC Electrical Characteristics Unless otherwise specified, all limits guaranteed for T limits apply at the temperature extremes. Symbol Parameter T.H.D. Total Harmonic Distortion DC Electrical Characteristics Unless otherwise specified, all limits guaranteed for T Symbol Parameter V Input Offset Voltage ...

  • Page 5

    AC Electrical Characteristics Note 3: Applies to both single-supply and split-supply operation. Continuous short circuit operation at elevated ambient temperature can result in exceeding the maximum allowed junction temperature of 150˚C. Output currents in excess of Note 4: The maximum ...

  • Page 6

    Typical Performance Characteristics specified (Continued) Sourcing Current vs. Output Voltage Sinking Current vs. Output Voltage Output Voltage Swing vs. Supply Voltage www.national.com V = +15V, Single Supply Sinking Current vs. Output Voltage 01171344 Sinking Current vs. Output Voltage ...

  • Page 7

    Typical Performance Characteristics specified (Continued) Input Voltage Noise vs. Input Voltage Input Voltage Noise vs. Input Voltage Crosstalk Rejection vs. Frequency V = +15V, Single Supply Input Voltage Noise vs. Input Voltage 01171350 Crosstalk Rejection vs. Frequency 01171352 ...

  • Page 8

    Typical Performance Characteristics specified (Continued) Negative PSRR vs. Frequency CMRR vs. Input Voltage CMRR vs. Input Voltage www.national.com V = +15V, Single Supply CMRR vs. Frequency 01171356 CMRR vs. Input Voltage 01171358 01171360 8 = 25˚C unless otherwise ...

  • Page 9

    Typical Performance Characteristics specified (Continued) ∆V vs. CMR OS Input Voltage vs. Output Voltage Open Loop Frequency Responce V = +15V, Single Supply Input Voltage vs. Output Voltage 01171362 Open Loop Frequency Response 01171364 Open Loop Frequency Response ...

  • Page 10

    Typical Performance Characteristics specified (Continued) Maximum Output Swing vs. Frequency Gain and Phase vs. Capacitive Load Open Loop Output Impedance vs. Frequency www.national.com V = +15V, Single Supply Gain and Phase vs. Capacitive Load 01171368 Open Loop Output ...

  • Page 11

    Typical Performance Characteristics specified (Continued) Non-Inverting Large Signal Pulse Response Non-Inverting Large Signal Pulse Response Non-Inverting Small Signal Pulse Response V = +15V, Single Supply Non-Inverting Large Signal Pulse Response 01171374 Non-Inverting Small Signal Pulse Response 01171376 Non-Inverting ...

  • Page 12

    Typical Performance Characteristics specified (Continued) Inverting Large Signal Pulse Response Inverting Large Signal Pulse Response Inverting Small Signal Pulse Response www.national.com V = +15V, Single Supply Inverting Large Signal Pulse Response 01171380 Inverting Small Signal Pulse Response 01171382 ...

  • Page 13

    Typical Performance Characteristics specified (Continued) Stability vs. Capacitive Load Stability vs. Capacitive Load Stability vs. Capacitive Load V = +15V, Single Supply Stability vs. Capacitive Load 01171386 Stability vs. Capacitive Load 01171388 Stability vs. Capacitive Load 01171390 13 ...

  • Page 14

    Application Information 1.0 AMPLIFIER TOPOLOGY The LMC6482 incorporates specially designed wide- compliance range current mirrors and the body effect to extend input common mode range to each supply rail. Complementary paralleled differential input stages, like the type used in other ...

  • Page 15

    Application Information FIGURE 4. Resistive Isolation of a 330pF Capacitive Load FIGURE 5. Pulse Response of the LMC6482 Circuit in Figure 4 Improved frequency response is achieved by indirectly driv- ing capacitive loads, as shown in Figure 6. FIGURE 6. ...

  • Page 16

    Application Information 6.0 PRINTED-CIRCUIT-BOARD LAYOUT FOR HIGH-IMPEDANCE WORK It is generally recognized that any circuit which must oper- rate with less than 1000pA of leakage current requires spe- cial layout of the PC board. When one wishes to take ad- ...

  • Page 17

    Application Information 7.0 OFFSET VOLTAGE ADJUSTMENT Offset voltage adjustment circuits are illustrated in Figure 12 Figure 13. Large value resistances and potentiometers are used to reduce power consumption while providing typically ± 2.5mV of adjustment range, referred to the input, ...

  • Page 18

    Application Information 10.0 INSTRUMENTATION CIRCUITS The LMC6482 has the high input impedance, large common- mode range and high CMRR needed for designing instru- mentation circuits. Instrumentation circuits designed with the LMC6482 can reject a larger range of common-mode signals than ...

  • Page 19

    ... Quiescent and dynamic supply current • Output swing dependence on loading conditions and many more characteristics as listed on the macromodel disk. Contact your local National Semiconductor sales office to obtain an operational amplifier spice model library disk. (Continued) Higher frequency and larger common-mode range applica- tions are best facilitated by a three op-amp instrumentation amplifier ...

  • Page 20

    Typical Single-Supply Applications FIGURE 17. Half-Wave Rectifier with Input Current Protection (RI) FIGURE 18. Half-Wave Rectifier Waveform www.national.com The circuit in Figure 17 uses a single supply to half wave rectify a sinusoid centered about ground. R into the amplifier ...

  • Page 21

    Typical Single-Supply Applications (Continued) FIGURE 21. Large Compliance Range Current Source FIGURE 23. Low Voltage Peak Detector with Rail-to-Rail Peak Capture Range In Figure 23 dielectric absorption and leakage is minimized by using a polystyrene or polyethylene hold capacitor. The ...

  • Page 22

    Typical Single-Supply Applications FIGURE 25. Rail-to-Rail Single Supply Low Pass Filter The low pass filter circuit in Figure 25 can be used as an anti-aliasing filter with the same voltage supply as the A/D converter. Filter designs can also take ...

  • Page 23

    Physical Dimensions inches (millimeters) unless otherwise noted Order Package Number LMC6482AIM, LMC6482AIMX, LMC6482IM or LMC6482IMX 8-Pin Ceramic Dual-In-Line Package Order Number LMC6482AMJ/883 NS Package Number J08A 8-Pin Small Outline Package NS Package Number M08A 23 www.national.com ...

  • Page 24

    Physical Dimensions www.national.com inches (millimeters) unless otherwise noted (Continued) 8-Pin Molded Dual-In-Line Package Order Package Number LMC6482AIN, LMC6482IN NS Package Number N08E 8-Lead Mini Small Outline Molded Package, JEDEC Order Number LMC6482IMM, or LMC6482IMMX NS Package Number MUA08A 24 ...

  • Page 25

    ... BANNED SUBSTANCE COMPLIANCE National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2. ...

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