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AMC1200SDUBR

AMC1200SDUBR首页预览图
型号: AMC1200SDUBR
PDF文件:
  • AMC1200SDUBR PDF文件
  • AMC1200SDUBR PDF在线浏览
功能描述: Fully-Differential Isolation Amplifier Low Offset Error: 1.5 mV max
PDF文件大小: 488.89 Kbytes
PDF页数: 共22页
制造商: TI1[Texas Instruments]
制造商LOGO: TI1[Texas Instruments] LOGO
制造商网址: http://www.ti.com
捡单宝AMC1200SDUBR
PDF页面索引
120%
AMC1200
www.ti.com
SBAS542 APRIL 2011
ISOLATION GLOSSARY
Creepage Distance: The shortest path between two conductive input to output leads measured along the
surface of the insulation. The shortest distance path is found around the end of the package body.
Clearance: The shortest distance between two conductive input to output leads measured through air (line of
sight).
Input-to-Output Barrier Capacitance: The total capacitance between all input terminals connected together,
and all output terminals connected together.
Input-to-Output Barrier Resistance: The total resistance between all input terminals connected together, and
all output terminals connected together.
Primary Circuit: An internal circuit directly connected to an external supply mains or other equivalent source that
supplies the primary circuit electric power.
Secondary Circuit: A circuit with no direct connection to primary power that derives its power from a separate
isolated source.
Comparative Tracking Index (CTI): CTI is an index used for electrical insulating materials. It is defined as the
numerical value of the voltage that causes failure by tracking during standard testing. Tracking is the process that
produces a partially conducting path of localized deterioration on or through the surface of an insulating material
as a result of the action of electric discharges on or close to an insulation surface. The higher CTI value of the
insulating material, the smaller the minimum creepage distance.
Generally, insulation breakdown occurs either through the material, over its surface, or both. Surface failure may
arise from flashover or from the progressive degradation of the insulation surface by small localized sparks. Such
sparks are the result of the breaking of a surface film of conducting contaminant on the insulation. The resulting
break in the leakage current produces an overvoltage at the site of the discontinuity, and an electric spark is
generated. These sparks often cause carbonization on insulation material and lead to a carbon track between
points of different potential. This process is known as tracking.
Insulation:
Operational insulationInsulation needed for the correct operation of the equipment.
Basic insulationInsulation to provide basic protection against electric shock.
Supplementary insulationIndependent insulation applied in addition to basic insulation in order to ensure
protection against electric shock in the event of a failure of the basic insulation.
Double insulationInsulation comprising both basic and supplementary insulation.
Reinforced insulationA single insulation system that provides a degree of protection against electric shock
equivalent to double insulation.
Copyright © 2011, Texas Instruments Incorporated 15
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