Texas Instruments LM185H-2.5

EAR99 LM185 Bulk Shunt voltage reference device 20muA 18V 120muVrms -55C~125C TA
IC, VOLT REF, ADJ, MICROPWR, 3TO46; Topology:Shunt; Reference Voltage:2.5V; Reference Voltage Tolerance:38mV; Temperature Coefficient:150ppm/°C; Voltage Reference Case Style:TO-46; No. of Pins:2; Operating Temperature Range:-55°C to 125°C; SVHC:No SVHC (19-Dec-2011)
The LM185-2.5/LM285-2.5/LM385-2.5 are micro power 2-terminal band-gap voltage regulator diodes. Operating over a 20 uA to 20 mA current range, they feature exceptionally low dynamic impedance and good temperature stability. On-chip trimming is used to provide tight voltage tolerance. Since the LM-185-2.5 band-gap reference uses only transistors and resistors, low noise and good long term stability result. Careful design of the LM185-2.5 has made the device exceptionally tolerant of capacitive loading, making it easy to use in almost any reference application. The wide dynamic operating range allows its use with widely varying supplies with excellent regulation. The extremely low power drain of the LM185-2.5 makes it useful for micro power circuitry. This voltage reference can be used to make portable meters, regulators or general purpose analog circuitry with battery life approaching shelf life. Further, the wide operating current allows it to replace older references with a tighter tolerance part. For applications requiring 1.2V see LM185-1.2. The LM185-2.5 is rated for operation over a -55*C to 125*C temperature range while the LM285-2.5 is rated -40*C to 85*C and the LM385-2.5 0*C to 70*C. The LM185-2.5/ LM285-2.5 are available in a hermetic TO-46 package and the LM285-2.5/LM385-2.5 are also available in a low-cost TO-92 molded package, as well as S.O. and SOT-23. The LM185-2.5 is also available in a hermetic leadless chip carrier package.