The LMx85-2.5 and LM385B are micropower, two-terminal, band-gap voltage references that
operate over a 20-µA to 20-mA current range and feature exceptionally low dynamic impedance and
good temperature stability. On-chip trimming provides tight voltage tolerance. The band-gap
reference for these devices has low noise and long-term stability.
The design makes these devices exceptionally tolerant of capacitive loading and, thus,
easier to use in most reference applications. The wide dynamic operating temperature range
accommodates varying current supplies, with excellent regulation.
The extremely low power drain of this series makes these devices useful for micropower
circuitry. These voltage references can be used to make portable meters, regulators, or
general-purpose analog circuitry, with battery life approaching shelf life. The wide operating
current range of these voltage references allows them to replace older references with
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