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LM334Z

Three-Terminal Adjustable Current Source IC

LM334Z - Three-Terminal Adjustable Current Source IC

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Manufacturer Part No:
LM334Z
Order Code:
9488065

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Product Overview

The LM334 is a 3-terminal adjustable current source featuring 10,000:1 range in operating current, excellent current regulation and a wide dynamic voltage range of 1V to 40V. Current is established with one external resistor and no other parts are required. Initial current accuracy is ±3%. The LM334 is a true floating current sources with no separate power supply connections. In addition, reverse applied voltages of up to 20V will draw only a few dozen microamperes of current, allowing the devices to act as both a rectifier and current source in AC applications. The sense voltage used to establish operating current in the LM134 is 64mV at 25°C and is directly proportional to absolute temperature (°K). The simplest one external resistor connection, then, generates a current with +0.33%/°C temperature dependence. Zero drift operation can be obtained by adding one extra resistor and a diode.
  • 0.02%/V current regulation
  • Programmable from 1µA to 10mA
  • True 2-terminal operation
  • Available as fully specified temperature sensor
  • ±3% initial accuracy

Applications

Power Management, Sensing & Instrumentation, System Monitoring

Product Information

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10mA

:
40V

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-

:
400mW

:
TO-92

:
3 Pin

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-

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