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LM285DE4-1-2 데이터시트(PDF) 1 Page - Texas Instruments |
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LM285DE4-1-2 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 25 page Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM285-1.2, LM385-1.2, LM385B-1.2 SLVS075J – APRIL 1989 – REVISED JANUARY 2015 LMx85-1.2, LM385B-1.2 Micropower Voltage References 1 Features 3 Description These micropower, two-terminal, band-gap voltage 1 • Operating Current Range references operate over a 10- μA to 20-mA current – LM285-1.2: 10 μA to 20 mA range and feature exceptionally low dynamic – LM385-1.2: 15 μA to 20 mA impedance and good temperature stability. On-chip trimming provides tight voltage tolerance. The band- – LM385B-1.2: 15 μA to 20 mA gap reference for these devices has low noise and • 1% and 2% Initial Voltage Tolerance long-term stability. • Reference Impedance The design makes these devices exceptionally – LM385-1.2: 1 Ω MAX at 25°C tolerant of capacitive loading and, thus, easier to use – All devices: 1.5 Ω MAX over Full in most reference applications. The wide dynamic Temperature Range operating temperature range accommodates varying current supplies, with excellent regulation. • Very Low Power Consumption • Interchangeable with Industry Standard The extremely low power drain of this series makes them useful for micropower circuitry. These voltage LM285-1.2 and LM385-1.2 references can be used to make portable meters, regulators, or general-purpose analog circuitry, with 2 Applications battery life approaching shelf life. The wide operating • Portable Meter References current range allows them to replace older references with tighter-tolerance parts. • Portable Test Instruments • Battery-Operated Systems Device Information(1) • Current-Loop Instrumentation PART NUMBER PACKAGE (PIN) BODY SIZE (NOM) • Panel Meters SOIC (8) 4.90 mm × 3.91 mm SOP (8) 6.20 mm × 5.30 mm LMx85-1.2 TSSOP (8) 3.00 mm × 4.40 mm TO-226 (3) 4.30 mm × 4.30 mm (1) For all available packages, see the orderable addendum at the end of the datasheet. 4 Simplified Schematic 1 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. |
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