LMC6574BIM National Semiconductor, LMC6574BIM Datasheet

LMC6574BIM

Manufacturer Part Number

LMC6574BIM

Description

Manufacturer

National Semiconductor

Datasheets

1.LMC6574BIM.pdf (13 pages)

2.LMC6574BIM.pdf (14 pages)

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LMC6572/LMC6574 Dual and 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

LMC6572BIMX, LMC6572BIMM or LMC6572BIMMX

See NS Package Number N08E, M08A or MUA08A

LMC6572AIM, LMC6572AIMX, LMC6572BIM,

Order Number LMC6572AIN, LMC6572BIN,

8-Pin DIP/SO/MSOP

DS011934

01193401

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 kΩ and 5 kΩ loads

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 kΩ load)

LMC6574AIM, LMC6574AIMX, LMC6574BIM or

Order Number LMC6574AIN, LMC6574BIN,

See NS Package Number N14A or M14A

LMC6574BIMX

14-Pin DIP/SO

=2.7V, R

40 µA/Amplifier

=100 kΩ: 120 dB

01193402

www.national.com

August 2000

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