lmc6462bimx National Semiconductor Corporation, lmc6462bimx Datasheet

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lmc6462bimx

Manufacturer Part Number
lmc6462bimx
Description
Micropower, Rail-to-rail Input And Output Cmos Operational Amplifier
Manufacturer
National Semiconductor Corporation
Datasheet

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© 2004 National Semiconductor Corporation
LMC6462 Dual/LMC6464 Quad
Micropower, Rail-to-Rail Input and Output CMOS
Operational Amplifier
General Description
The LMC6462/4 is a micropower version of the popular
LMC6482/4, combining Rail-to-Rail Input and Output Range
with very low power consumption.
The LMC6462/4 provides an input common-mode voltage
range that exceeds both rails. The rail-to-rail output swing of
the amplifier, guaranteed for loads down to 25 kΩ, assures
maximum dynamic sigal range. This rail-to-rail performance
of the amplifier, combined with its high voltage gain makes it
unique among rail-to-rail amplifiers. The LMC6462/4 is an
excellent upgrade for circuits using limited common-mode
range amplifiers.
The LMC6462/4, with guaranteed specifications at 3V and
5V, is especially well-suited for low voltage applications. A
quiescent power consumption of 60 µW per amplifier (at V
= 3V) can extend the useful life of battery operated systems.
The amplifier’s 150 fA input current, low offset voltage of
0.25 mV, and 85 dB CMRR maintain accuracy in battery-
powered systems.
8-Pin DIP/SO
Top View
Low-Power Two-Op-Amp Instrumentation Amplifier
01205101
DS012051
S
Features
(Typical unless otherwise noted)
n Ultra Low Supply Current
n Guaranteed Characteristics at 3V and 5V
n Rail-to-Rail Input Common-Mode Voltage Range
n Rail-to-Rail Output Swing
n Low Input Current 150 fA
n Low Input Offset Voltage 0.25 mV
Applications
n Battery Operated Circuits
n Transducer Interface Circuits
n Portable Communication Devices
n Medical Applications
n Battery Monitoring
(within 10 mV of rail, V
14-Pin DIP/SO
Top View
S
= 5V and R
20 µA/Amplifier
01205121
L
01205102
= 25 kΩ)
February 2004
www.national.com

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lmc6462bimx Summary of contents

Page 1

... CMRR maintain accuracy in battery- powered systems. 8-Pin DIP/SO Top View Low-Power Two-Op-Amp Instrumentation Amplifier © 2004 National Semiconductor Corporation Features (Typical unless otherwise noted) n Ultra Low Supply Current n Guaranteed Characteristics at 3V and 5V n Rail-to-Rail Input Common-Mode Voltage Range ...

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 (V + − Supply Voltage (V − V ...

Page 3

DC Electrical Characteristics Unless otherwise specified, all limits guaranteed for T limits apply at the temperature extremes. Symbol Parameter A Large Signal R V Voltage Gain (Note 7) R (Note 7) V Output Swing ...

Page 4

AC Electrical Characteristics Unless otherwise specified, all limits guaranteed for T limits apply at the temperature extremes. Symbol Parameter SR Slew Rate GBW Gain-Bandwidth Product φ Phase Margin m G Gain Margin m Amp-to-Amp Isolation e Input-Referred n Voltage ...

Page 5

AC Electrical Characteristics + Unless otherwise specified 3V, V tremes. Symbol Parameter SR Slew Rate GBW Gain-Bandwidth Product Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions ...

Page 6

Typical Performance Characteristics fied Supply Current vs. Supply Voltage Sourcing Current vs. Output Voltage Sinking Current vs. Output Voltage www.national.com V = +5V, Single Supply Sourcing Current vs. Output Voltage 01205130 Sourcing Current vs. Output Voltage 01205132 Sinking ...

Page 7

Typical Performance Characteristics specified (Continued) Sinking Current vs. Output Voltage Input Voltage Noise vs. Input Voltage Input Voltage Noise vs. Input Voltage V = +5V, Single Supply Input Voltage Noise vs Frequency 01205136 Input Voltage Noise vs. Input ...

Page 8

Typical Performance Characteristics specified (Continued) Input Voltage vs. Output Voltage Open Loop Frequency Response vs. Temperature Slew Rate vs. Supply Voltage www.national.com V = +5V, Single Supply Open Loop Frequency Response 01205142 Gain and Phase vs. Capacitive Load ...

Page 9

Typical Performance Characteristics specified (Continued) Non-Inverting Large Signal Pulse Response Non-Inverting Small Signal Pulse Response Non-Inverting Small Signal Pulse Response V = +5V, Single Supply Non-Inverting Large Signal Pulse Response 01205148 Non-Inverting Small Signal Pulse Response 01205150 Inverting ...

Page 10

Typical Performance Characteristics specified (Continued) Inverting Large Signal Pulse Response Inverting Small Signal Pulse Response Inverting Small Signal Pulse Response www.national.com V = +5V, Single Supply Inverting Large Signal Pulse Response 01205154 Inverting Small Signal Pulse Response 01205156 ...

Page 11

Application Information 1.0 INPUT COMMON-MODE VOLTAGE RANGE The LMC6462/4 has a rail-to-rail input common-mode volt- age range. Figure 1 shows an input voltage exceeding both supplies with no resulting phase inversion on the output. FIGURE 1. An Input Voltage Signal ...

Page 12

Application Information FIGURE 6. LMC6462 Non-Inverting Amplifier, Compensated to Handle a 300 pF Capacitive and 100 kΩ Resistive Load FIGURE 7. Pulse Response of LMC6462 Circuit in Figure 6 The pulse response of the circuit shown in Figure 6 is ...

Page 13

Application Information and many more characteristics as listed on the macromodel disk. Contact the National Semiconductor Customer Response Center to obtain an operational amplifier Spice model library disk. 7.0 PRINTED-CIRCUIT-BOARD LAYOUT FOR HIGH-IMPEDANCE WORK It is generally recognized that any ...

Page 14

Application Information (Input pins are lifted out of PC board and soldered directly to components. All other pins connected to PC board.) FIGURE 13. Air Wiring FIGURE 14. Low Power Three Op-Amp Instrumentation Amplifier A two op-amp instrumentation amplifier designed ...

Page 15

Application Information FIGURE 15. Low-Power Two-Op-Amp Instrumentation Amplifier Typical Single-Supply Applications TRANSDUCER INTERFACE CIRCUITS FIGURE 16. Photo Detector Circuit Photocells can be used in portable light measuring instru- ments. The LMC6462, which can be operated off a battery ...

Page 16

Typical Single-Supply Applications (Continued) PRECISION CURRENT SOURCE FIGURE 20. Precision Current Source The output current I is given by: OUT OSCILLATORS FIGURE 21 Square-Wave Oscillator For single supply 5V operation, the output of the circuit will swing from ...

Page 17

... Molded DIP 14-Pin SO-14 8-Pin Ceramic DIP LMC6462AMJ-QML 14-Pin Ceramic DIP LMC6464AMJ-QML 14-Pin Ceramic SOIC LMC6464AMWG-QML Temperature Range Industrial −40˚C to +85˚C LMC6462AIN LMC6462BIN LMC6462AIM LMC6462BIM LMC6462AIMX LMC6462BIMX LMC6464AIN LMC6464BIN LMC6464AIM LMC6464BIM LMC6464AIMX LMC6464BIMX 17 Transport NSC Media Drawing 40 Units/Rail N08E 95 Units/Rail M08A 2 ...

Page 18

Physical Dimensions unless otherwise noted www.national.com inches (millimeters) 8-Pin Small Outline Package NS Package Number M08A 14-Pin Small Outline Package NS Package Number M14A 18 ...

Page 19

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 8-Pin Molded Dual-In-Line Package NS Package Number N08E 14-Pin Molded Dual-In-Line Pacakge NS Package Number N14A 19 www.national.com ...

Page 20

... NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant ...

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