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LM129AH-SMD データシート(PDF) 1 Page - National Semiconductor (TI) |
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LM129AH-SMD データシート(HTML) 1 Page - National Semiconductor (TI) |
1 / 4 page Original Creation Date: 07/10/95 Last Update Date: 02/24/03 Last Major Revision Date: 07/10/95 MNLM129A-X REV 0CL MICROCIRCUIT DATA SHEET PRECISION REFERENCE General Description The LM129 is a precision multi-current temperature-compensated 6.9V zener reference with dynamic impedances a factor of 10 to 100 less than discrete diodes. Constructed in a single silicon chip, the LM129 uses active circuitry to buffer the internal zener allowing the device to operate over a 0.5 mA to 15 mA range with virtually no change in performance. The LM129 is available with selected temperature coefficients of 0.001, 0.002, 0.005 and 0.01%/ C. These new references also have excellent long term stability and low noise. A new subsurface breakdown zener used in the LM129 gives lower noise and better long-term stability than coventional IC zeners. Further the zener and temperature compensating transistor are made by a planar process so they are immune to problems that plague ordinary zeners. For example, there is virtually no voltage shift in zener voltage due to temperature cycling and the device is insenstive to stress on the leads. The LM129 can be used in place of conventional zeners with improved performance. The low dynamic impedance simplifies biasing and the wide operating current allows the replacement of may zener types. The LM129 is packaged in a 2-lead T0-46 package and is rated for operation over a -55 C to +125 C temperature range. NS Part Numbers LM129AH-SMD* LM129AH/883 Industry Part Number LM129 Prime Die LM129 Controlling Document 5962-8992101XA* Processing MIL-STD-883, Method 5004 Quality Conformance Inspection MIL-STD-883, Method 5005 Subgrp Description Temp ( C) o 1 Static tests at +25 2 Static tests at +125 3 Static tests at -55 4 Dynamic tests at +25 5 Dynamic tests at +125 6 Dynamic tests at -55 7 Functional tests at +25 8A Functional tests at +125 8B Functional tests at -55 9 Switching tests at +25 10 Switching tests at +125 11 Switching tests at -55 1 |
同様の部品番号 - LM129AH-SMD |
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同様の説明 - LM129AH-SMD |
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