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National Semiconductor Electronic Components Datasheet

LMC6572 Datasheet

Low Voltage (2.7V and 3V) Operational Amplifier

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December 1996
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.
Features
(Typical unless otherwise noted)
n Guaranteed 2.7V and 3V Performance
n Rail-to-Rail Output Swing (within 5 mV of supply rail,
100 kload)
n Ultra-Low Supply Current: 40 µA/Amplifier
n Low Cost
n Ultra-Low Input Current: 20 fA
n High Voltage Gain @ VS=2.7V, RL=100 k: 120 dB
n Specified for 100 kand 5 kloads
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
Connection Diagrams
8-Pin DIP/SO/MSOP
14-Pin DIP/SO
DS011934-1
Order Number LMC6572AIN, LMC6572BIN,
LMC6572AIM, LMC6572BIM or LMC6572BIMM
See NS Package Number N08E, M08A or MUA08A
DS011934-2
Order Number LMC6574AIN, LMC6574BIN,
LMC6574AIM or LMC6574BIM
See NS Package Number N14A or M14A
© 1999 National Semiconductor Corporation DS011934
www.national.com


National Semiconductor Electronic Components Datasheet

LMC6572 Datasheet

Low Voltage (2.7V and 3V) Operational Amplifier

No Preview Available !

Ordering Information
Package
8-Pin Molded DIP
8-Pin Small Outline
8-Pin Mini SO
14-Pin Molded DIP
14-Pin Small Outline
Temperature Range
Industrial, −40˚C to +85˚C
LMC6572AIN, LMC6572BIN
LMC6572AIM, LMC6572BIM
LMC6572AIMX, LMC6572BIMX
LMC6572BIMM
LMC6572BIMMX
LMC6574AIN, LMC6574BIN
LMC6574AIM, LMC6574BIM
LMC6574AIMX, LMC6574BIMX
NSC Drawing
N08E
M08A
MUA08A
N14A
M14A
Transport
Media
Rail
Rail
Tape and Reel
Rail
Tape and Reel
Rail
Rail
Tape and Reel
www.national.com
2


Part Number LMC6572
Description Low Voltage (2.7V and 3V) Operational Amplifier
Maker National Semiconductor
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LMC6572 Datasheet PDF






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