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Double operational amplifier, double comparator

Mär 23 2023 2023-03 Power Texas Instruments
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The LM613 consists of dual op-amps, dual comparators, and a programmable voltage reference in a 16-pin package. The op-amps 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

The LM613 consists of a dual operational amplifier, a dual comparator, and a programmable reference voltage in a 16-pin package. Op-amps are superior to most single-power op-amps by providing higher speeds and bandwidths as well as lower supply currents.The LM613 is a space-saving alternative to single-chip multi-chip solutions, providing a high level of integration without sacrificing performance.

 

The device is specifically designed to reduce cost and board space requirements in sensor, test, measurement and data acquisition systems. Combining a stable voltage reference with a wide output swing op-amp makes the LM613 ideal for single-power sensors, signal conditioning and bridge drives, where large common-mode signals are common.

 

The voltage reference consists of a reliable band-gap design that maintains a low dynamic output impedance (typical for 1Ω), excellent initial tolerance (0.6%), and the ability to program from 1.2V to 6.3V through two external resistors. Even when driving a large volume load, the reference voltage is very stable, which is often encountered in CMOS data acquisition systems. 

 

Features

● Low working current (operational amplifier): 300μA
● Wide supply voltage range :4V to 36V
● Width common model circumference :V−~ (V+−1.8V)
● Width difference input voltage :±36V
● Available in plastic packaging rated for military temperature.Operating range

 

Applications

● Sensor bridge driver
● Process and mass flow control systems
● Power supply voltage monitor
● A/D buffer voltage reference

 

 

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