Interface and Isolation
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Interface and Isolation

Analog Devices offers a wide range of digital interface and digital isolators with iCoupler® technology covering the industry’s field bus and peripheral communications standards. Digital isolators, isolated transceivers, isolated A/D converters and isolated gate drivers utilize the award winning iCoupler® and isoPower® technologies for isolation solutions without many of the constraints found in optocouplers. Find design solutions for interface devices including keypad controllers, level translators, and high voltage protection products (channel protection, fault protection, overvoltage protection), and latch-up proof switches and multiplexers.
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Analog Devices offers a wide range of digital interface and digital isolators with iCoupler® technology covering the industry’s field bus and peripheral communications standards. Digital isolators, isolated transceivers, isolated A/D converters and isolated gate drivers utilize the award winning iCoupler® and isoPower® technologies for isolation solutions without many of the constraints found in optocouplers. Find design solutions for interface devices including keypad controllers, level translators, and high voltage protection products (channel protection, fault protection, overvoltage protection), and latch-up proof switches and multiplexers.
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4-20 mA is a robust, reliable communication protocol that has been used widely in industrial settings for many years. Analog Devices’ 4-20 mA portfolio for industrial systems offers a high level of accuracy, integration, and flexibility, with guaranteed specifications and a long life cycle not found in alternative products. Our many field proven reference designs, example circuit diagrams, and application notes ease the designers’ task of implementing customizable, 4-20 mA communications systems, while the reliability, robustness, and considerable control functionality of our drivers, DACs, ADCs, and loop interfaces address a host of system challenges. Analog Devices leads the way in industrial communications with our ever-broadening 4-20 mA product line.
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Analog Devices offers a family of products designed for communicating with AppleTalk interfaces. Devices offer differential and single-sided drivers and differential and single-ended receivers that meet AppleTalk transceiver specifications.
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Automotive interfaces deliver sound and data throughout the car to combine connectivity with mobility. ADI’s portfolio of automotive interface products encompass communication signaling that utilizes both the CAN (controller area network) protocol and A2B® (Automotive Audio Bus®) technology. Isolated CAN with iCoupler® digital isolation features integrated isoPower® and signal-only transceivers in an SOIC form factor or a complete galvanically isolated µModule® (micromodule) transceiver—both with options that support CAN FD (flexible data rate). ADI’s A2B-enabled digital audio systems distribute high fidelity audio along with control data, clock, and power over a single, unshielded, low cost twisted-pair wire. The A2B automotive interface delivers high fidelity audio while significantly reducing the weight of existing cable harnesses for improved vehicle fuel efficiency and a better, greener, more dynamic automotive experience. A2B devices meet all relevant automotive interface ESD, EMI, and EMC requirements, and are fully AEC-Q100 qualified.
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Analog Devices’ broadband switch portfolio offers protocol-specific solutions for high-speed (>500 MHz) interfaces. These devices are bidirectional, passive switches that allow the customer to switch between multiple hosts and downstream ports. Because the high speed switches are protocol-specific for USB 3.0, VGA, DisplayPort, SAS, and SATA interfaces, customers enjoy fully integrated, flexible, and easy to design solutions.
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Analog Devices’ controllers and expanders provide protocol conversion and port expansion for popular serial communications protocols including RS-232 and USB. In addition, our smart card controllers cost-effectively read smart cards. Our input/output (I/O) expanders increase the functionality of your microcontroller through incremental port expansion.
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ADI has been pioneering advances in digital isolation technology for over 20 years with both iCoupler® digital isolation ICs and µModule BGA digital isolation. We are the world leader shipping over 6 billion isolated channels. Our deep domain and system-level design expertise is paired with our innovative iCoupler portfolio for superior digital isolation solutions. In today’s increasingly digitalized world ranging from Industry 4.0 to automotive electrification and digital health, ADI is the expert where electrical meets electronic. With ubiquitous sensing and digitization, certified iCoupler digital isolators protect people, assets, and data from high voltages and hazardous environments. Our innovative portfolio delivers best-in-class patented digital isolation technology for data, high power isolated dc-to-dc converters and communication protocols ranging from RS485, USB and CAN to gigabit LVDS and on to isolated gate drivers crafted for IGBT & SiC, isolated switches, and isolated Σ-Δ (sigma-delta) ADC modulators & amplifiers. For trusted safety and data integrity, partner with Analog Devices’ digital isolation technology solutions.
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Advanced automotive cameras, displays, telemetrics, and infotainment systems demand a high speed, high bandwidth architecture to support better safety and performance in the car cabin of the future. Gigabit Multimedia Serial Link (GMSL™) technology provides a single-strand solution to transport all video in the car over a single, bidirectional cable that supports data transfer speeds up to 12 Gbps. Analog Devices, Inc. (ADI) offers a portfolio of lightweight, ASIL-certified solutions such as ADAS camera GMSL serializers, ADAS ECU GMSL deserializers, display source GMSL serializers, and display sink GMSL deserializers for a variety of applications in automotive and beyond.

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Analog Devices’ family of Home Bus System (HBS)-compatible transceivers can be used in the Home Bus System, where data and power are passed on a single pair of wires while minimizing the need for external components. These transceivers provide robust communication by using dynamic cable termination that improves the signal quality with longer cables and higher data rates. The device data outputs AIO/BIO do not load the bus when device is not powered. Our family of products support passing data with speed up to 200 kbps.
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Factories are expanding to enable Industry 4.0, buildings are getting smarter, and robotics are continually evolving. Such widespread innovation drives designers in various industries to optimize and enhance their products. Our industrial digital and analog input/output (I/O) IC portfolio provide the highest levels of robustness on the market with the highest integration and software configurability for a more flexible solution. High voltage industrial digital input (DI) and digital output (DO) signals (also called binary signals), typically range in magnitude from 0 V to 24 V. Digital I/O signals are used by industrial automation and control equipment, operating in harsh and noisy environments, to communicate on/off status between remote devices and controllers. Our industrial digital I/O ICs perform voltage level translation while providing circuit protection. Many also perform data serialization to allow economical operation through digital signal isolators. Analog I/O signals are used in both factory and build automation to enable smarter sensing and push intelligence at the edge. Our best-in-class analog input (AI), analog output (AO), and configurable analog input/output (CIO) ICs provide the highest levels of system accuracy in the market with per-channel software configurability. Factory calibration and robust integrated protection reduce overall system cost and size. Innovative designs decrease power consumption allowing operation of more channels without derating for ambient temperature. Key benefits: most robust solutions on the market with the highest integration; software configurability provides flexibility and reduces end product SKUs; and fast time to market with the best support in the industry.
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The IO-Link® interface simplifies communication to smart sensors and actuators, combining signaling with power-over-cable technology. It has become one of the key devices as industrial automation systems are growing more interconnected and intelligent to accommodate demands for centralized control and optimized production. Analog Devices implements both device PHY and master PHY interfaces (COM1/COM2/COM3). Designing with harsh industrial environments in mind, the master 4-port IO-Link power and communications interface, as well as the IO-Link transceivers featuring Integrated Step-Down Regulators and LDO with ±60V cable interface protection provide the required ruggedness. Optimum EMC performance is achieved with adjustable current limit and slew rate transmitters. Automatic wake-up request (WURQ) generation and an output supply current boosting capability for device startup are also available. Additional components integrate a 300 mA step-down (buck) regulator and a 150 mA LDO to supply all the power required for internal electronics in an connected sensor or actuator.
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Analog Devices has been the leader in isolated signal conditioning for more than 20 years. ADI IOS products feature complete modular solutions for industrial signal conditioning. These products are the benchmark for isolated signal conditioners, with price and performance unmatched in the industry.
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ADI’s level translators offer the most flexible level translation solutions in the industry. The ADG3241 series translators allow direct 3.3 V to 1.8 V translation by means of the innovative SEL pin function while allowing bidirectional data transfer. The ADG3231 series allows wide range 1.65 V to 3.6 V translation and the ADG3308 series allows the industry's widest 1.2 V to 5.5 V up or down translation while permitting bidirectional data transfer.
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Analog Devices’ MAX13020/MAX13021 ±60 V fault-protected low power local interconnect network (LIN) transceivers are ideal for use in automotive network applications where high reliability is required. The devices provide the interface between the LIN main/node protocol controller, and the physical bus described in the LIN 2.0 specification package and SAE J2602 specification. The devices are intended for in-vehicle subnetworks with a single main and multiple nodes.
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LVDS (Low voltage differential signaling) is a standard for communicating at high speed in point-to-point applications and M-LVDS (Multipoint LVDS) is a similar standard for multi-point applications. Both LVDS and M-LVDS offer a long-distance digital interface for serial communication over an electrical interconnect.

Analog Device's LVDS portfolio includes isolated LVDS and non-isolated LVDS & M-LVDS transmitters/line drivers and receivers. With 8 kV IEC ESD performance standards for robust, inter-board applications in harsh electrostatic environments, our LVDS modules conform to the TIA/EIA-644 LVDS standard with data rates up to 600Mbps. The M-LVDS products are ideal for applications where designers need to transmit at data rates up to 100 Mbps or 250 Mbps to multiple nodes. M-LVDS allows a single pair of differential lines to carry this high speed information, saving on connector size and reducing the number of lanes required to fan out this information. Integration of Analog Devices' iCoupler® technology allows for high speed operation that also provides drop-in galvanic isolation of LVDS signal chains. Isolated LVDS with data rates of up to 2.5 Gbps with very low jitter opens up new applications in Instrumentation and Digital Health.

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Analog Devices’ RS-232/RS-485 multiprotocol transceivers are the only parts in the market that allow protocol switching and allow for switching between half-/full-duplex operation and switching on/off termination resistors, both of which minimize physical user intervention when reconfiguring networks. Features include 3.3 V to 5 V operation, up to ±26 kV ESD, a logic supply pin, and small LFCSP packages. As large-scale computing applications typically require more protocols than the RS-232 and RS-485 protocols found in everyday applications, we support legacy protocols. These include V.28 (RS-232), V.35, RS-449, RS-530, RS-530-A, V.36, or X.21. Software-selectable protocol, cable termination, and data terminal equipment (DTE) or data communications equipment (DCE) configurations all provide convenient flexibility.
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Analog Devices’ powerline communication chipset with its integrated, programmable technology delivers a secure and robust, high speed data network using the existing powerline infrastructure. Practically any electronic device connected to an electrical powerline can use this technology for data communication without additional wiring. The chipset's open architecture, extensive programmability, small front end, and high integration permit optimum performance in applications and markets such as home networking (LAN), delivery of broadband (last-mile-access), multimedia, audio, voice, home automation, building and industrial automation (monitoring and control), safety, and security.
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Analog Devices offers a wide range of RS-232, RS-422, RS-485, and RS-562 transceivers to suit applications for nonisolated interfaces, as well as digital isolation requirements using iCoupler® technology. The RS-232 specification allows for reliable data transmission from one transmitter to one receiver at data rates of up to 20 kbps over distances of up to 50 feet, or up to 1 Mbps over distances of up to 5 feet for more recent RS-232 transceiver chips. While similar to RS-232, the RS-562 standard differs by specifying a minimum driver output voltage of ±3.7 V to ease power supply requirements. The RS-485 specification meets the requirements for a truly multipoint communications network, while the RS-422 specification satisfies simplex multidrop standards.
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The Analog Devices family of I2C solutions support hot swappable, 2-wire bidirectional bus buffers to allow I/O card insertion into a live backplane without corruption of the data and clock busses. Additional supported 2-wire buses include SMBus, PMBus, the ATCA intelligent platform management bus (IPMB), and the HDMI DDC bus. I2C/SMBus Accelerators improve bus transitions to allows multiple device connections or a longer, more capacitive interconnect, without compromising slew rates or bus performance. ADI's software-programmable and pin-selectable I2C multiplexers help resolve I2C address limitations, increase fan-in or fan-out, and integrate bus buffers and rise time accelerators for an all-in-one solution. Resistor configurable I2C address translators can be configured with over 100 unique slave addresses to allow multiple slave devices with the same address to coexist on the same bus.
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Analog Devices’ portfolio of signal integrity solutions provides protocol-specific redrivers and equalizers to overcome PCB and cable losses for enhanced link performance and system reliability.
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Crosstalk, electromagnetic interference (EMI), and electrostatic discharge (ESD) can cause voltage spikes that destroy input circuitry. Signal line protection circuits significantly increase survivability by clamping over-voltage events, including those from ESD.
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Analog Devices’ line of SIM interface parts provide power conversion and level shifting for GSM SIM modules and smart cards.
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Analog Devices’ wide range of USB products enable the high signal integrity and broad interoperability needed to solve key data and power requirements when implementing USB interface connections. An extensive portfolio of USB transceivers, USB controllers, USB power switches, and USB isolators simplifies data and power delivery fora variety of end applications. Our USB battery charger ICs offer USB-C and BC1.2 adapter detection, and reduce charge time and heat while maximizing safety. Our USB battery charger detector ICs enable universal and optimal charging over USB-C or legacy ports.

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Safety and Regulatory Compliance Information

The iCoupler family of digital isolation products have been tested and approved by various regulatory agencies, including UL, CSA, VDE, TÜV, CQC, ATEX and IECEx. This table summarizes the achieved ratings for each product and includes links to copies of the actual safety certificates.

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Safety and Regulatory Compliance Information

The iCoupler family of digital isolation products have been tested and approved by various regulatory agencies, including UL, CSA, VDE, TÜV, CQC, ATEX and IECEx. This table summarizes the achieved ratings for each product and includes links to copies of the actual safety certificates.
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