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Electrical Equipment & Systems -> Electrical Power Generation, Conditioning & Conversion -> Electrical Power & Signal Isolators


Electrical Power & Signal Isolators




(Showing headlines 1 - 20)   more ....
Digital Isolators target SPI communications applications.

Digital Isolators target SPI communications applications.

Analog Devices, Inc.    Norwood, MA 02062-9106
Jul 03, 2014 Based on iCoupler® digital isolator technology, ADuM315x SPIsolator™ Series features low propagation delay and jitter in CLK, MO-SI, MI-SO, and SS channels to support SPI clock rates up to 40 MHz. Family has 3.75 kVrms isolation rating and also supports maximum sample rate for select ADI 12-, 16-, and 18-bit precision A/D converters. Housed in 20-lead SSOP package, isolators are suited for distributed control systems, PLCs, and sensor monitors.

Bidirectional Digital Isolator offers 3.4 MHz communication.

Akros Silicon Inc    Folsom, CA 95630
Jun 03, 2014 Comprising dual channel bidirectional I2C digital isolator as well as 5 unidirectional channels of isolation, Model AS1705 enables real-time telemetry and control of Power Sourcing Equipment controllers used in PoE-capable switches and routers. Each isolation channel is rated to provide 2.5 kV of galvanic isolation. On bidirectional I2C channels, device's 3.4 MHz data rate provides needed bandwidth for system's processor to dynamically monitor and control power requirements for PSE controllers.

Signal Converters/Isolators enable increased analog functionality.

Signal Converters/Isolators enable increased analog functionality.

Weidmuller, Inc.    Richmond, VA 23236
Apr 02, 2014 At 6 mm wide, ACT20M signal isolation and conversion models increase breadth of analog functionality and provide converting, conditioning, and isolation for temperature sensors and bipolar DC sources. Adjustable switch provides access to hundreds of temperature range combinations per model, selection of outputs (voltage/mA), response time, and wire-break failure mode. Auxiliary powered variants can be used with power rail option, and isolating and non-isolating converters are available.

Digital Isolators feature 2.5 kV rms isolation rating.

Analog Devices, Inc.    Norwood, MA 02062-9106
Nov 20, 2013 Housed in 16-lead QSOP package, ADuM144x iCoupler® Quad Channel Digital Isolators come in 3 channel configurations with 1-minute isolation safety rating of 2.5 kV rms and operating voltage range of 2.25–3.6 V. Quiescent power supply current at 2.5 V is less than 5 µA per channel, and power supply current at 2 Mbps is less than 380 µA per channel. With power saving mode, current levels can be reduced to 0.1 µA per channel, resulting in 1 µW of total power for entire isolator.

Digital Isolation Devices feature 2.5 kVrms rating.

Digital Isolation Devices feature 2.5 kVrms rating.

Texas Instruments, Inc. (TI)    Dallas, TX 75243-4136
Oct 08, 2013 Housed in 5 x 6 mm QSOP package, ISO71xx Series includes triple-channel and quad-channel devices based on integrated silicon dioxide capacitors. Units provide typical common-mode transient immunity of ±75 kV/µs for noisy industrial environments as well as resistance to electromagnetic interference. Devices incorporate glitch filter to smooth operation at lower frequencies. With power rating of 1 mA per channel, ICs support 2.7, 3.3, and 5 V power supplies.

Digital Optical Isolator supports logic-level translation.

Digital Optical Isolator supports logic-level translation.

IXYS Integrated Circuits Division    Aliso Viejo, CA 92656
Oct 07, 2013 Operating from 2.7–5.5 V with logic-level inputs and open-drain outputs, Model CPC5001 supports 5 Mbaud data rates for digital communications over optical barrier while providing 3,750 Vrms of galvanic isolation. Channel 1 propagates signal from Side A to Side B, while Channel 2 sends signal from Side B to Side A. Available in 8-pin DIP or surface mount package, isolator requires no internal clocking and supports direct coupled logic-level isolation without refresh clocks.

Reference Design simplifies isolated digital inputs to PLC.

Maxim Integrated Products    Sunnyvale, CA 94086
Aug 30, 2013 Intended for industrial PLC digital-input subsystems, Corona Reference Design integrates MAX31911 octal digital input translator/serializer, MAX14850 6-channel digital isolator, and MAX13256 H-bridge transformer, reducing isolated channels and eliminating need for power-hungry optocouplers and discrete parts. Devices used in Corona are designed specifically for harsh industrial environments with operating temperature ranges from -40 to +125°C.

Safety Isolators and Splitters support digital HART signals.

Safety Isolators and Splitters support digital HART signals.

Moore Industries International, Inc.    North Hills, CA 91343
Aug 08, 2013 Part of FS Functional Safety Series, SSX and SST Safety Isolators and Splitters provide isolation and signal conversion for HART® data in functionally safe process control settings. Two-wire SSX and 4-wire SST are certified by exida for single use in Safety Instrumented Systems up to SIL 2. In addition, units provide 20 V/m RFI and EMI protection, as well as 1,500 Vrms of isolating capability to protect safety I/O cards and systems from surges, spikes, and transients in field.

Analog Signal Conditioner offers 9 programming ranges.

Analog Signal Conditioner offers 9 programming ranges.

Automation Systems Interconnect, Inc.    Mechanicsburg, PA 17055
Mar 25, 2013 Housed in modular DIN rail mount package, X756510 Analog Signal Converter/Isolator covers 0–10 V, 0–20, and 4–20 mA input/output ranges. Multi-function 24–240 Vac/Vdc unit features DIP switch programming, 3-way isolation, and self-calibration circuitry that delivers accuracy without manual adjustment.

Bidirectional I2C Isolators extend industrial isolation lifetime.

Texas Instruments, Inc., Semiconductors    Dallas, TX 75243
Dec 14, 2012 Supplied in 8-pin SOIC packages, ISO1540 and ISO1541 can replace typical implementation of 16 or more discrete devices to isolate I˛C signal. Transient immunity of ±50 kV/µsec typ and switching time with max propagation delay of 62 nsec extend isolation. While ISO1540 provides 2 isolated bidirectional channels for clock and data lines for use in applications with multiple masters, ISO1541 includes bidirectional data and unidirectional clock channel for single-master applications.

Galvanic Isolator improves serial scan interference immunity.

Galvanic Isolator improves serial scan interference immunity.

GOEPEL electronics LLC    Austin, TX 78759
Aug 29, 2012 Designed for applications in critical signal environments requiring interference immunity and potential isolation, TAP-Isolator module enables complete galvanic insulation of Test Access Port (TAP) transceiver from target. This box can be used in each scan path and separates transceiver's primary TAP interface from target's secondary TAP interface. Potential isolation eliminates mutual interference between TAP transceiver/target, increasing functional safety of Boundary Scan applications.

Digital Optical Isolator IC features open-drain outputs.

IXYS Integrated Circuits Division    Aliso Viejo, CA 92656
Jul 23, 2012 Available in 8-pin surface mount or DIP package, Model CPC5002 isolates 2 logic signals, and supports 10 Mbaud data rates for digital communications over optical barrier while providing 3,750 Vrms of galvanic isolation. Unit utilizes CMOS photodetector, requires 1.5 mA LED drive current, and operates from 2.7-5.5 V. Unlike magnetically isolated digital isolator ICs, Model CPC5002 requires no internal clocking and supports direct coupled logic-level isolation without refresh clocks.

Signal Conditioners operate in normal and hazardous areas.

Signal Conditioners operate in normal and hazardous areas.

Weidmuller, Inc.    Richmond, VA 23236
Dec 08, 2011 Available in 8 single- and dual-channel models, ACT20M Series features 2-channel loop-powered isolation, signal splitting with power provided for transmitter, or universal input conversion. DIN-rail mountable, 6 mm wide modules offer option to distribute power through rail, minimizing wiring. With isolation level of 2.5 kV, less than 0.05% accuracy, and ambient temperature range of -13 to 158°F, ACT20M Series is suited for industrial process measurement and control applications.

Signal Converter/Isolator  accepts up to 4 load cell inputs.

Signal Converter/Isolator accepts up to 4 load cell inputs.

Weidmuller GmbH & Co.      Germany
Feb 16, 2011 Designed for factory and process load-cell applications that include engine and turbine strain measurement and weight or level controls, ACT20P Bridge provides 65 ms response time with 0.05% accuracy. If different load cell is required, unit offers switch-selectable input/output ranging, with on-site push button calibration. DIN-rail mount device features 12-60 Vdc auxiliary power, selectable 5/10 V sensor supply, 4- or 6-wire sensor connection, and -4 to +158°F operating temperature.

Isolated DC-to-DC Converter minimizes space, component demands.

Analog Devices, Inc.    Norwood, MA 02062-9106
Dec 20, 2010 Offering 5 kVrms isolation in 10 x 10 mm package, 0.5 W ADuM6000 integrates iCoupler® digital isolation technology and isoPower® DC/DC converter. Digital isolator lets designers conserve circuit-board real estate while eliminating step of securing medical or other safety approvals. Also available, ADuM620x series dual-channel digital isolators come in 16-lead SOIC and comprise 2/0, 1/1, and 0/2 channel configurations.

Digital Isolators provide 4 independent data isolation channels.

Analog Devices, Inc.    Norwood, MA 02062-9106
Oct 28, 2010 Housed in surface mount 20-lead SSOP, ADuM347x Series integrates transformer driver and PWM controller in single package. Devices enable designers to implement isolated DC/DC converter that provides up to 2 W of regulated, isolated power at 3.3-30 Vdc from 5.0 or 3.3 V input supply. Using iCoupler technology, which is based on chip-scale transformers, units offer 2,500 Vrms isolation and are suited for data acquisition, building control, and industrial process control using Fieldbus.

Automotive-Grade I2C Isolators simplify hybrid-electric designs.

Analog Devices, Inc.    Norwood, MA 02062-9106
Sep 01, 2010 Based on iCoupler® technology, ADuM1250W directly isolates bi-directional data, eliminating need to split transmit and receive signals into separate channels. This hot-swappable, 1 MHz dual I˛C digital isolator reduces component count in electric and hybrid-electric vehicles by eliminating need for optocouplers and support circuitry. It is qualified to AEC-Q100 and operates over -40 to +125°C range. Supply/logic levels of 3.0-5.5 V enable flexible operation and level shifting.

5 kV Digital Isolators tolerate harsh environments.

Silicon Laboratories Inc    Austin, TX 78727
Jul 09, 2010 Series Si84xx digital isolators feature data rate of 150 Mbps across temperature range of -40 to +125°C and low jitter operation minimizes data transmission errors and bit-error-rates. Units have 25 kV/µsec common mode transient immunity and immunity against electric fields up to 300 V/m and magnetic fields up to 1,000 A/m. They offer ESD performance of 4 kV human body model, 2 kV charged device model, and 400 V machine model.

Medical-Grade USB Isolator protects hospital equipment.

B & B Electronics Mfg. Co.    Ottawa, IL 61350
May 14, 2010 Conforming to IEC60601 specifications, Ulinx(TM) model UH401 delivers 4 kV isolation to ensure reliability and protection from damaging electrical storms, spikes, power surges, and other EMI/RFI disturbances. Isolation barrier also eliminates disruptive ground loops in measurement applications. Inserted directly into USB signal lines of existing medical applications, product has up LED that indicates power supplied via upstream USB port to 100 mA of current to attached downstream devices.

Hot Swappable I2C Isolator achieves 1,500 Vrms bus isolation.

Hot Swappable I2C Isolator achieves 1,500 Vrms bus isolation.

Linear Technology Corp.    Milpitas, CA 95035
Apr 27, 2010 Available for 100 kHz and 400 kHz systems, Model LTC4310 provides bidirectional communication between 2 I2C busses whose grounds are isolated from one another. Device encodes and expands SDA and SCL signals into 4 unidirectional channels, ready to be transmitted over isolation barrier, and then decodes and recombines them using second LTC4310. With isolator, 4 digital transmit and receive signals can be bridged by Ethernet transformer to achieve communication across voltage differences of 1,500 Vrms.




(Showing headlines 1 - 20)   more ....



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