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Amplificadores Aislados

Dudas, comentarios sobre la teoria de instrumentacion electronica

Re: Amplificadores Aislados

Notapor charly » Jue, 22 Mar 2012, 13:09

http://www.sun-fly.com.cn/cn/UploadFile ... 019195.pdf

Optocoupler Selection Guid..e................................................................................................................3................
10 MBd Logic Gate Optocoupler ......................................................................................................................... 4
5 MBd Logic Gate Optocoupler ........................................................................................................................... 4
1 MBd Transistor Output Optocoupler .............................................................................................................. 5
100 KBd Darlington Transistor Output Optocoupler ....................................................................................... 5
Integrated Gate Drive Optocoupler .................................................................................................................... 6
Miniature Isolation Amplifiers ............................................................................................................................ 6
Optocouplers with Integrated Functions ........................................................................................................... 7
Design Consideration..s............................................................................................................................9.................
Insulation and Regulation of Optically Coupled Isolation Devices ...............................................................9
Common-Mode Transient Rejection ................................................................................................................. 13
LED Degradation Over Time ............................................................................................................................. 18
Guidelines for Printed Circuit Board Assembly and Layout ......................................................................... 21
Digital Optoisolators: An Overview ..................................................................................................... 23
Digital Logic Interface/Level Shifting Applications ....................................................................................... 25
TTL Interface with Series LED Drive ............................................................................................................... 25
Level Shifting/TTL Interface with Shunt LED Drive ...................................................................................... 26
Low Power 8 MBd CMOS Interface .................................................................................................................. 27
25 MBd CMOS Interface .................................................................................................................................... 28
Low Power 100 kBd CMOS Interface ............................................................................................................... 29
3 V Logic Interface/Battery Operated Applications........................................................................................ 30
Data Communication Applications ...................................................................................................................... 31
Isolated RS-232C/E Interface ............................................................................................................................. 31
Isolated RS-422 Interface .................................................................................................................................. 32
Isolated RS-485 Bus Interface ........................................................................................................................... 33
Isolated Full Duplex RS-232E Interface ........................................................................................................... 34
Isolated Device Net/CAN Communication Interface ..................................................................................... 35
Isolated 4 - 20 mA Analog Current Loop Transmitter/Receiver ................................................................... 36
Isolated 20 mA Current Loop Interface............................................................................................................ 37
Multidrop Line Receiver .................................................................................................................................... 38
Isolated Balanced Line Receiver - Circuit No. 1 ............................................................................................. 39
Isolated Balanced Line Receiver - Circuit No. 2 ............................................................................................. 40
Isolated Tri-State Line Driver ............................................................................................................................ 41
Isolated Unbalanced Line Receiver .................................................................................................................. 42
PROFIBUS/RS-422 1.5 MB/s .............................................................................................................................. 43
Isolated PROFIBUS/RS-485 12 MB/s Communication Application.............................................................. 44
Telecommunications Applications ....................................................................................................................... 45
Telephone Ring Detection ................................................................................................................................ 45
ISDN Interface .................................................................................................................................................... 46
Telephone Pulse Dialing and On/Off Hookswitch Circuit ............................................................................. 47
Telephone Line Selection Circuit ...................................................................................................................... 48
Analog Applications ................................................................................................................................................. 49
High Speed Isolation Amplifier ......................................................................................................................... 50
Precision Isolation Amplifier for Unipolar Signals ........................................................................................ 51
Isolation Amplifier for Bipolar Signals - Circuit No. 1 ................................................................................... 52
Isolation Amplifier for Bipolar Signals - Circuit No. 2 ................................................................................... 53
AC-Coupled Isolated Amplifier ......................................................................................................................... 54
Isolated Video Interface .................................................................................................................................... 55
Motor Control Applications .................................................................................................................................. 57
Inverter Design Using Gate Drive and Current Sense Optocouplers .......................................................... 57
Isolated Gate Driver for IGBT/MOSFET .......................................................................................................... 62
Dual Channel Isolated Gate Driver for IGBT/MOSFET ................................................................................. 63
Isolated Gate Driver for IGBT/MOSFET with Desaturation Protection ..................................................... 64
Isolated Interface for Intelligent Power Module Gate Drive ........................................................................ 65
Low Cost Isolated Phase Current Sensing with Analog Output ................................................................... 66
Isolated A/D Converter for Phase Current Sensing ........................................................................................ 67
Low Cost Isolated Phase Current Sensing with Analog Output/Over Current Detection ........................ 68
Isolated Inverter Rail Voltage Sensing using an Isolation Amplifier ........................................................... 69
Isolated Inverter Rail Voltage Sensing using a Linear Optocoupler ............................................................ 70
Low Cost Isolation Amplifier for Motor Speed and Position Measurement ............................................... 71
Industrial Applications ........................................................................................................................................... 73
AC/DC Voltage Threshold Sensing .................................................................................................................... 73
Low Power AC/DC Industrial Switching .......................................................................................................... 74
Optical Isolation in Flat-Panel Displays ........................................................................................................... 75
Low Power Alarm Control Circuit .................................................................................................................... 76
Relay Coil Driver ................................................................................................................................................ 77
Voltage Signal Sensing - Flying Capacitor Technique .................................................................................... 78
Power Supply Applications.................................................................................................................................... 79
Optical Isolation in a Switching Power Supply - Circuit No. 1 ..................................................................... 79
Optical Isolation in a Switching Power Supply - Circuit No. 2 ..................................................................... 80
Application Notes and Technical Articles .........................................................................................................
charly
 
Mensajes: 188
Registrado: Lun, 11 Jul 2011, 08:56


Re: Amplificadores Aislados

Notapor blas » Vie, 13 Abr 2012, 11:26

Noise Reduction and Isolation (aislamiento y reduccion de ruido)

blas
 
Mensajes: 201
Registrado: Mié, 15 Feb 2012, 19:50


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