Details, datasheet, quote on part number: MC14573
PartMC14573
CategoryAnalog & Mixed-Signal Processing => Amplifiers => Operational Amplifiers => Low Power
DescriptionLMC6572 - Dual Low Voltage (2.7V to 3V) Operational Amplifier, Package: Soic Narrow, Pin Nb=8
CompanyNational Semiconductor Corporation
DatasheetDownload MC14573 datasheet
Cross ref.Similar parts: NJU7021, NJU7022, NJU7024, NJU7031, NJU7032, NJU7034
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Features, Applications

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 guarantees 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 voltage operation. The LMC6574/2 generates 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 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 almost half the size a SO-8 device.

Features

(Typical unless otherwise noted) n Guaranteed 2.7V and 3V Performance n Rail-to-Rail Output Swing (within mV of supply rail, 100 k load) n Ultra-Low Supply Current: 40 A/Amplifier n Low Cost n Ultra-Low Input Current: fA n High Voltage Gain dB n Specified for 100 k and 5 k loads n Available in MSOP Package

Applications

Transducer Amplifier Portable or Remote Equipment Battery-Operated Instruments Data Acquisition Systems Medical Instrumentation Improved Replacement for TLV2322 and TLV2324

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 at Input/Output Pin Supply Voltage (V+ - V-) Current at Input Pin Current at Output Pin (Note 3) Current at Power Supply Pin Lead Temperature (Soldering, 10 Seconds) Storage Temperature Range 2000V Supply Voltage (V+) +0.3V, (V-) to +150C

Supply Voltage Junction Temperature Range LMC6574AI, LMC6574BI Thermal Resistance (JA) N Package, 8-Pin Molded DIP M Package, 8-Pin Surface Mount MSOP Package, 8-Pin Mini SO N Package, 14-Pin Molded DIP M Package, 14-Pin Surface Mount 81C/W 126C/W

Unless otherwise specified, all limits guaranteed for = 0V, VCM = V+/2 and > 1M. Boldface limits apply at the temperature extremes. Symbol Parameter Conditions Typ (Note LMC6574AI LMC6572AI Limit (Note 6) VOS TCVOS IB IOS RIN CIN CMRR +PSRR -PSRR VCM Input Offset Voltage Input Offset Voltage Average Drift Input Current Input Offset Current Input Resistance Common-Mode Input Capacitance Common Mode Rejection Ratio Positive Power Supply Rejection Ratio Negative Power Supply Rejection Ratio Input Common-Mode Voltage Range 0V VCM = 2.7V and 3V for CMRR 0.8 AV Large Signal Voltage Gain 100 k (Note 7) Sinking 500 V/mV Sourcing 1000

Unless otherwise specified, all limits guaranteed for = 0V, VCM = V+/2 and > 1M. Boldface limits apply at the temperature extremes. Conditions Typ (Note LMC6574AI LMC6572AI Limit (Note 6) VO Output Swing V /2

Quad Package = V+/2 Quad Package V /2 Dual Package = V+/2 Dual Package V /2

Unless otherwise specified, all limits guaranteed for = 0V, VCM = V+/2 and 1 M. Boldface limits apply at the temperature extremes. Symbol Parameter Conditions Typ (Note LMC6574AI LMC6572AI Limit (Note 6) SR GBW en in Slew Rate Gain-Bandwidth Product Phase Margin Gain Margin Amp-to-Amp Isolation Input-Referred Voltage Noise Input-Referred (Note = 1 kHz VCM = 1 kHz


 

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