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LM334 The Texas Instruments LM334 is a versatile 3-terminal adjustable current source. It operates from 1V to 40V and offers a programmable current range from 1μA to 10mA with ±3% initial accuracy.
Mfr Part #:

LM334

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM334 is a versatile 3-terminal adjustable current source. It operates from 1V to 40V and offers a programmable current range from 1μA to 10mA with ±3% initial accuracy.
✓ Total Stock: 390 pcs
$ Price Range: $1.14

LM334 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Braun Electronic Components ✓
Non-Authorised Inventory information
390 pcs
On Request
390 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

LM334 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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LM334 Description

Short technical summary and product information.

The LM334 from Texas Instruments is a 3-terminal adjustable current source designed for a wide range of applications. It features a broad operating voltage range of 1V to 40V and can be programmed for currents from 1μA to 10mA using a single external resistor. The device boasts excellent current regulation with a typical specification of 0.02%/V and an initial accuracy of ±3%.

 

This current source is available in both TO-92 and SOIC-8 packages, supporting surface mount applications. Its true 2-terminal operation simplifies circuit design, and it can also function as a rectifier in AC applications due to its ability to draw minimal current when reverse-biased up to 20V. The LM334 is specified for operation over a temperature range of 0°C to 70°C.

 

Applications for the LM334 include bias networks, surge protection, low-power references, ramp generation, and LED drivers. Its temperature-dependent sense voltage, proportional to absolute temperature, also makes it suitable as a temperature sensor.

LM334 Quick Information

Product Type: Adjustable Current Source
Canonical Name: LM334 3-Terminal Adjustable Current Source
Subcategory: Power Management (PMIC)

LM334 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LM334 Estimated Pricing

Qty Low High
1+ $1.14 $1.14

Estimated market price range - modelled values for guidance only, not live distributor offers.

LM334 Features

  • Operates from 1V to 40V.
  • Programmable current from 1μA to 10mA.
  • ±3% initial current accuracy.
  • True 2-terminal operation.
  • Available in TO-92 and SOIC-8 packages.

LM334 Applications

  • Used in bias networks.
  • Suitable for surge protection circuits.
  • Applicable for low power references.
  • Can be used for ramp generation.
  • Ideal for LED drivers.

LM334 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the LM334?

The LM334 operates from 1V to 40V.

What is the programmable current range of the LM334?

The LM334 can be programmed for currents from 1μA to 10mA.

What is the initial accuracy of the LM334 current source?

The initial accuracy of the LM334 is ±3%.

What is the operating temperature range for the LM334?

The LM334 operates from 0°C to 70°C.

What packages is the LM334 available in?

The LM334 is available in TO-92 and SOIC-8 packages.

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