LM134-LM234-LM334 are 3-terminal adjustable current sources characterized by: operating current range of 10000: 1, excellent current regulation, wide dynamic voltage range of 1V t 10V
The LM134, LM234 and LM334 are three‑terminal adjustable current source ICs that operate from 1 V to 40 V and provide programmable currents from 1 pA to 10 mA. They feature 0.02 %/V current regulation, +3 % initial accuracy, and a wide temperature range.
The document includes absolute maximum ratings, electrical characteristics, application notes, ordering information, and legal notices. It also describes typical application circuits, slew‑rate behavior, thermal effects, and methods for reducing shunt capacitance.
| Operating voltage range | 1 V to 40 V |
|---|---|
| Current regulation | 0.02 %/V |
| Programmable current range | 1 pA to 10 mA |
| Initial accuracy | +3 % |
| Maximum power dissipation | 400 mW |
| Storage temperature range | -65 °C to +150 °C |
| Operating temperature range (LM134) | -55 °C to +125 °C |
They operate from 1 V to 40 V.
The devices can dissipate up to 400 mW.
Current can be programmed from 1 pA up to 10 mA.