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LM285D-2-5 Datasheet(PDF) 1 Page - Texas Instruments |
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LM285D-2-5 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 25 page ANODE CATHODE Product Folder Sample & Buy Technical Documents Tools & Software Support & Community An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. LM285-2.5, LM385-2.5, LM385B-2.5 SLVS023K – JANUARY 1989 – REVISED MARCH 2016 LMx85-2.5, LM385B-2.5 Micropower Voltage References 1 1 Features 1 • Operating Current Range 20 μA to 20 mA • 1.5% and 3% Initial Voltage Tolerance • Reference Impedance – LM385 1 Ω Maximum at 25°C – All Devices 1.5 Ω Maximum Over Full Temperature Range • Very Low Power Consumption 2 Applications • Portable Meter References • Portable Test Instruments • Battery-Operated Systems • Current-Loop Instrumentation • Panel Meters 3 Description 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 tighter-tolerance parts. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) LMx85D-2-5, LM385BD-2-5 SOIC (8) 4.90 mm × 3.90 mm LMx85LP-2-5, LM385BLP-2-5 TO-92 (3) 4.30 mm × 4.30 mm LM385PW-2-5, LM385BPW-2-5 TSSOP (8) 3.00 mm × 4.40 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Simplified Schematic |
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