LM4040C30IDCKR
Precision 3.0-Volt Shunt Voltage Reference manufactured by Texas Instruments. This ultra-stable surface-mount linear integrated circuit is packaged inside a miniature 5-pin SC-70 package delivered on high-volume tape and reel shipping strips, belonging to the "C" grade accuracy family with a tight ±0.5% initial breakdown calibration tolerance. It functions as a solid-state dynamic bandgap shunt regulator that behaves electrically like a high-precision, low-drift Zener diode, clamping voltage fluctuations to provide a rock-solid 3.0V reference rail that remains stable down to a microscopic 75 µA operating current across industrial temperatures. It is universally deployed as a clean reference baseline for high-resolution analog-to-digital converters (ADCs), precision instrumentation amplifiers, battery-charging loops, and localized power regulation rails. (Industry Equals: Texas Instruments LM4040C30IDCKR, Diodes Inc. LM4040C30H6TA, Analog Devices AD589, onsemi LM4040C30, Microchip LM4040C30, NXP LM4040C30).