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LM185BXH-2.5 Scheda tecnica(PDF) 1 Page - Texas Instruments |
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LM185BXH-2.5 Scheda tecnica(HTML) 1 Page - Texas Instruments |
1 / 22 page LM185-2.5-N, LM285-2.5-N, LM385-2.5-N www.ti.com SNVS743D – DECEMBER 1999 – REVISED MARCH 2013 LM185-2.5-N/LM285-2.5-N/LM385-2.5-N Micropower Voltage Reference Diode Check for Samples: LM185-2.5-N, LM285-2.5-N, LM385-2.5-N Careful design of the LM185-2.5-N has made the 1 FEATURES device exceptionally tolerant of capacitive loading, 2 • ±20 mV (±0.8%) max. Initial Tolerance (A making it easy to use in almost any reference Grade) application. The wide dynamic operating range allows • Operating Current of 20 μA to 20 mA its use with widely varying supplies with excellent regulation. • 0.6 Ω Dynamic Impedance (A Grade) The extremely low power drain of the LM185-2.5-N • Low Temperature Coefficient makes it useful for micropower circuitry. This voltage • Low Voltage Reference—2.5V reference can be used to make portable meters, • 1.2V Device and Adjustable Device Also regulators or general purpose analog circuitry with Available—LM185-1.2 Series and LM185 battery life approaching shelf life. Further, the wide Series, respectively operating current allows it to replace older references with a tighter tolerance part. For applications requiring 1.2V see LM185-1.2. DESCRIPTION The LM185-2.5-N/LM285-2.5-N/LM385-2.5-N are The LM185-2.5-N is rated for operation over a −55°C micropower 2-terminal band-gap voltage regulator to 125°C temperature range while the LM285-2.5-N is diodes. Operating over a 20 μA to 20 mA current rated −40°C to 85°C and the LM385-2.5-N 0°C to range, they feature exceptionally low dynamic 70°C. The LM185-2.5-N/LM285-2.5-N are available in impedance and good temperature stability. On-chip a hermetic TO package and the LM285-2.5-N/LM385- trimming is used to provide tight voltage tolerance. 2.5-N are also available in a low-cost TO-92 molded Since the LM-185-2.5-N band-gap reference uses package, as well as SOIC and SOT-23. The LM185- only transistors and resistors, low noise and good 2.5-N is also available in a hermetic leadless chip long term stability result. carrier package. Connection Diagram Figure 1. TO-92 Package Figure 2. SOIC Package (Bottom View) See Package Number D0008A See Package Number LP0003A * Pin 3 is attached to the Die Attach Pad (DAP) and should be connected to Pin 2 or left floating. Figure 3. SOT-23 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 1999–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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