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The TI series voltage references are shown here ordered by their precision level, with key specifications and typical applications. The term precision is an aggregate of a number of related factors, including initial accuracy, temperature drift, noise, and other contributing factors. Due to the low power consumption and better precision, series references are often used in medical, industrial, and consumer sensing devices and precision systems such as test and measurement apparatus. The LM4140 is Texas Instruments top performer in overall precision; at 3ppm/ºC it offers the lowest temperature drift in our portfolio and at the same time it achieves this accuracy at low noise levels over the relevant range of 0.1 to 10 Hz. Also, for the same precision it offers lower quiescent current consumption. Voltage references with the LM initials were developed by National Semiconductor, which is now fully owned by Texas Instruments.
