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LM611

National Semiconductor
Part Number LM611
Manufacturer National Semiconductor
Description Operational Amplifier and Adjustable Reference
Published Mar 22, 2005
Detailed Description LM611 Operational Amplifier and Adjustable Reference May 1998 LM611 Operational Amplifier and Adjustable Reference Gen...
Datasheet PDF File LM611 PDF File

LM611
LM611

Overview
LM611 Operational Amplifier and Adjustable Reference May 1998 LM611 Operational Amplifier and Adjustable Reference General Description The LM611 consists of a single-supply op-amp and a programmable voltage reference in one space saving 8-pin package.
The op-amp out-performs most single-supply op-amps by providing higher speed and bandwidth along with low supply current.
This device was specifically designed to lower cost and board space requirements in transducer, test, measurement and data acquisition systems.
Combining a stable voltage reference with a wide output swing op-amp makes the LM611 ideal for single supply transducers, signal conditioning and bridge driving where large common-mode signals are common.
The voltage reference consists of a reliable band-gap design that maintains low dynamic output impedance (1Ω typical), excellent initial tolerance (0.
6%), and the ability to be programmed from 1.
2V to 6.
3V via two external resistors.
The voltage reference is very stable even when driving large capacitive loads, as are commonly encountered in CMOS data acquisition systems.
As a member of National’s Super-Block™ family, the LM611 is a space-saving monolithic alternative to a multi-chip solution, offering a high level of integration without sacrificing performance.
Features OP AMP n Low operating current: 300 µA (op amp) n Wide supply voltage range: 4V to 36V n Wide common-mode range: V− to (V+−1.
8V) n Wide differential input voltage: ± 36V n Available in low cost 8-pin DIP n Available in plastic package rated for Military Temperature Range Operation REFERENCE n Adjustable output voltage: 1.
2V to 6.
3V n Tight initial tolerance available: ± 0.
6% n Wide operating current range: 17 µA to 20 mA n Reference floats above ground n Tolerant of load capacitance Applications n n n n Transducer bridge driver Process and Mass Flow Control systems Power supply voltage monitor Buffered voltage references for A/D’s Connection Diagrams DS009221-1 DS009221-2 Super-Bloc...


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