LMC6574AIM National Semiconductor, LMC6574AIM Datasheet

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LMC6574AIM

Manufacturer Part Number
LMC6574AIM
Description
IC,Operational Amplifier,QUAD,CMOS,SOP,14PIN,PLASTIC
Manufacturer
National Semiconductor
Datasheet

Specifications of LMC6574AIM

Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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© 1999 National Semiconductor Corporation
LMC6572 Dual/LMC6574 Quad
Low Voltage (2.7V and 3V) Operational Amplifier
General Description
Low voltage operation and low power dissipation make the
LMC6574/2 ideal for battery-powered systems.
3V amplifier performance is backed by 2.7V guarantees to
ensure operation throughout battery lifetime. These guaran-
tees also enable analog circuits to operate from the same
3.3V supply used for digital logic.
Battery life is maximized because each amplifier dissipates
only micro-watts of power.
The LMC6574/2 does not sacrifice functionality for low volt-
age operation. The LMC6574/2 generates 120 dB of
open-loop gain just like a conventional amplifier, but the
LMC6574/2 can do this from a 2.7V supply.
These amplifiers are designed with features that optimize
low voltage operation. The output voltage swings rail-to-rail
to maximize signal-to-noise ratio and dynamic signal range.
The common-mode input voltage range extends from
800 mV below the positive supply to 100 mV below ground.
This device is built with National’s advanced Double-Poly
Silicon-Gate CMOS process.
LMC6572 is also available in MSOP package which is al-
most half the size of a SO-8 device.
Connection Diagrams
See NS Package Number N08E, M08A or MUA08A
LMC6572AIM, LMC6572BIM or LMC6572BIMM
Order Number LMC6572AIN, LMC6572BIN,
8-Pin DIP/SO/MSOP
DS011934
DS011934-1
Features
(Typical unless otherwise noted)
n Guaranteed 2.7V and 3V Performance
n Rail-to-Rail Output Swing (within 5 mV of supply rail,
n Ultra-Low Supply Current:
n Low Cost
n Ultra-Low Input Current: 20 fA
n High Voltage Gain
n Specified for 100 k
n Available in MSOP Package
Applications
n Transducer Amplifier
n Portable or Remote Equipment
n Battery-Operated Instruments
n Data Acquisition Systems
n Medical Instrumentation
n Improved Replacement for TLV2322 and TLV2324
100 k
Order Number LMC6574AIN, LMC6574BIN,
See NS Package Number N14A or M14A
load)
LMC6574AIM or LMC6574BIM
@
14-Pin DIP/SO
and 5 k
V
S
= 2.7V, R
40 µA/Amplifier
loads
L
= 100 k : 120 dB
DS011934-2
December 1996
www.national.com

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LMC6574AIM Summary of contents

Page 1

... Transducer Amplifier n Portable or Remote Equipment n Battery-Operated Instruments n Data Acquisition Systems n Medical Instrumentation n Improved Replacement for TLV2322 and TLV2324 14-Pin DIP/SO DS011934-1 Order Number LMC6574AIN, LMC6574BIN, LMC6574AIM or LMC6574BIM See NS Package Number N14A or M14A December 1996 40 µA/Amplifier = 100 k : 120 dB L loads DS011934-2 www.national.com ...

Page 2

... LMC6572AIN, LMC6572BIN 8-Pin Small Outline LMC6572AIM, LMC6572BIM LMC6572AIMX, LMC6572BIMX 8-Pin Mini SO LMC6572BIMM LMC6572BIMMX 14-Pin Molded DIP LMC6574AIN, LMC6574BIN 14-Pin Small Outline LMC6574AIM, LMC6574BIM LMC6574AIMX, LMC6574BIMX www.national.com Temperature Range NSC Drawing Industrial, −40˚C to +85˚C MUA08A 2 Transport Media N08E Rail M08A ...

Page 3

... 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 Current at Output Pin (Note 3) Current at Power Supply Pin ...

Page 4

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

Page 5

AC Electrical Characteristics Unless otherwise specified, all limits guaranteed for T face limits apply at the temperature extremes. Symbol Parameter Current Noise T.H.D. Total Harmonic Distortion Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device ...

Page 6

Typical Performance Characteristics Crosstalk Rejection vs Frequency DS011934-24 CMRR vs Frequency DS011934-27 Open Loop Frequency Response vs Temperature DS011934-30 www.national.com = +3V 25˚C, Unless otherwise specified (Continued Positive PSRR vs Frequency DS011934-25 Input Voltage vs ...

Page 7

Typical Performance Characteristics Slew Rate vs Supply Voltage DS011934-33 Inverting Large Signal Pulse Response DS011934-36 Stability vs Capacitive Load DS011934-39 = +3V 25˚C, Unless otherwise specified (Continued Non-Inverting Large Signal Pulse Response DS011934-34 Inverting Small ...

Page 8

Typical Performance Characteristics Bandwidth vs Capacitive Load DS011934-44 Applications Hints 1.0 LOW VOLTAGE AMPLIFIER TOPOLOGY The LMC6574/2 incorporates a novel op-amp design topol- ogy that enables it to maintain rail-to-rail output swing even when driving a large load. Instead of ...

Page 9

Applications Hints (Continued) nent of the output signal back to the amplifier’s inverting in- put, thereby preserving phase margin in the overall feedback loop. 4.0 PRINTED-CIRCUIT-BOARD LAYOUT FOR HIGH-IMPEDANCE WORK It is generally recognized that any circuit which must operate ...

Page 10

... Contact your local National Semiconductor sales office to obtain an operational amplifier spice model library disk. Typical Single-Supply Applications FIGURE 6. Low-Power Two-Op-Amp Instrumentation Amplifier FIGURE 7 ...

Page 11

... Physical Dimensions inches (millimeters) unless otherwise noted Order Package Number LMC6572AIM or LMC6572BIM Order Package Number LMC6574AIM or LMC6574BIM 8-Pin Small Outline Package NS Package Number M08A 14-Pin Small Outline Package NS Package Number M14A 11 www.national.com ...

Page 12

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 8-Lead Mini-Small Outline Molded Package, JEDEC Order Number LMC6572BIMM or LMC6572BIMMX www.national.com NS Package Number MUA08A 8-Pin Molded Dual-In-Line Package Order Number LMC6572AIN or LMC6572BIN NS Package Number N08E 12 ...

Page 13

... 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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