Quad Operational Amplifier And Adjustable Reference
The LM614 consists of four op-amps and a programmable Voltage Reference in a 16-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 four wide output swing op-amps makes the LM614 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 (1 typical), initial tolerance (2.0%), and the ability to be programmed from 1.2V to 5.0V 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 new Super-Block? family, the LM614 is a space-saving monolithic alternative to a multichip solution, offering a high level of integration without sacrificing performance.
By National Semiconductor Corporation
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