LM334Z DATASHEET PDF

Current is established with one external resistor and no other parts are required. 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 …. Datasheets LM

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March General Description. Current is established with one external resistor. Initial current accuracy is. In addi-. The sense voltage used to establish operating current in the. The simplest one external resistor. Zero drift operation can be obtained. Applications for the current sources include bias networks,.

LED driver, and temperature sensing. The LM and. LM are specified as true temperature sensors with. These devices are ideal in remote sense applications be-. In addition, only 2 wires are required. The LM is guaranteed over a temperature range of. These devices are available in. Connection Diagrams. Surface Mount Package.

SO-8 Alternative Pinout. Metal Can Package. Order Number LMM or. TO Plastic Package. Bottom View. Order Number LMH,. See NS Package. Number H03H. Absolute Maximum Ratings Note 1. Distributors for availability and specifications. Set Current. Power Dissipation. ESD Susceptibility Note 6.

Operating Temperature Range Note 5. Soldering Information. TO Package 10 sec. SO Package. Vapor Phase 60 sec. Infrared 15 sec.

Electrical Characteristics Note 2. Note 3. Ratio of Set Current to. Bias Current. Minimum Operating Voltage. Average Change in Set Current. Temperature Dependence of. Set Current Note 4. Effective Shunt Capacitance. Min Typ Max. Note Operating Ratings indicate conditions for which the device is. For the Basic 2-Terminal Current Source circuit shown on the first page of this data sheet. I SET is determined. Set current error is expressed as a percent deviation from this amount.

I SET increases at 0. Note 5: For elevated temperature operation, T J max is:. Thermal Resistance. Note 6: Human body model, pF discharged through a 1. Download LM Datasheet. Current is established with one external resistor and no other parts are required. In addi- tion, 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.

Zero drift operation can be obtained by adding one extra resistor and a diode. Applications for the current sources include bias networks, surge protection, low power reference, ramp generation, LED driver, and temperature sensing. These devices are ideal in remote sense applications be- cause series resistance in long wire runs does not affect ac- curacy. Features n Operates from 1V to 40V n 0. Operating Ratings indicate conditions for which the device is functional, but do not guarantee specific performance limits.

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LM334 Sources. Datasheet pdf. Equivalent

A to 10mA Operation 0. A to 10mA, as set by an external resistor. The device operates as a true twoterminal current source, requiring no extra power connections or input signals. Regulation is typically 0. Because the operating current is directly proportional to absolute temperature in degrees Kelvin, the device will also find wide applications as a temperature sensor. The temperature dependence of the operating current is 0.

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Datasheet Texas Instruments LM334

LMz is the constant current source and temperature sensor, can detect temperature that degrees Celsius. Error less than 2 degrees. Easy to use and cheap. Because shaped like a transistor 2N, which we are familiar as well. LM is IC that is used as constant current source and temperature sensor.

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3-Terminal Adjustable Current Source

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