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ADUM3201ARZ - Dual-Channel Digital Isolator, 1Mbps, 2.5kV | Analog Devices
ADUM3201ARZ

ADUM3201ARZ - Dual-Channel Digital Isolator, 1Mbps, 2.5kV | Analog Devices

The Analog Devices ADUM3201ARZ is a dual-channel digital isolator based on ADI's proprietary iCoupler technology, delivering 1Mbps data throughput, 2.5kVrms isolation, and 25kV/us common-mode transient immunity (CMTI) in an 8-pin SOIC (3.90mm body width) package. The RZ suffix denotes the wide-body SOIC-8 variant that is pin-for-pin compatible with most 8-pin optocouplers and competing digital isolators. Operating supply range is 2.7V to 5.5V on each side of the barrier with independent channel-by-channel configuration. The iCoupler architecture replaces LED/photodiode optocoupler structures with on-chip CMOS and monolithic air-core transformers, eliminating LED aging, current-drive resistors, and optical-degradation failure modes. What is a digital isolator? A digital isolator is a semiconductor device that transmits logic-level signals across a galvanically-isolated barrier (no conductive path between input and output) using either magnetic (transformer-based iCoupler), capacitive, or optical (LED + photodiode) coupling. Digital isolators occupy the 'isolation' tier within the power management / signal integrity hierarchy, sitting between general-purpose logic and the broader category of interface ICs. The principal figure-of-merit is working voltage (kVrms), supplemented by CMTI (kV/us) and data rate (Mbps). Key features of the ADUM3201ARZ include two independent isolation channels supporting unidirectional (default) or reverse channel configurations, 3.3V/5V level translation across the isolation barrier, low dynamic power consumption proportional to data rate, and -40C to +125C industrial operating temperature range. The 25kV/us CMTI rating exceeds typical optocoupler specifications (often 1-10 kV/us), making it well suited to high-noise motor-drive and power-converter environments where fast transients can corrupt logic. The ADuM3201 architecture uses wafer-level transformers with CMOS drivers and receivers, yielding deterministic propagation delay around 150ns and channel-to-channel matching typically within 5ns. Because no DC path crosses the isolation, the device exhibits superior long-term reliability versus optocouplers whose LED-output CTR degrades over thousands of hours. Typical applications include isolated SPI/UART interfaces in industrial PLCs, gate-drive signal isolation for IGBT/MOSFET half-bridges, isolated ADC front-ends in data-acquisition systems, isolated USB/RS-485 transceivers, and medical equipment requiring 2.5kV patient-isolation. The wide-body SOIC-8 footprint and pin-out matches standard 8-pin optocouplers, enabling retrofit upgrades with no PCB changes. When designing with the ADuM3201ARZ, decouple each VDD pin with a 0.1uF ceramic capacitor placed within 2mm of the supply pin; insufficient decoupling can degrade CMTI performance. The device requires no external driver components - unlike optocouplers which need LED current-limit resistors - simplifying BOM count. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone - giving engineers a single reference for the ADUM3201ARZ.

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ADUM3201TRZ-EP - 2.5kVrms Dual Digital Isolator, 25Mbps | ADI
ADUM3201TRZ-EP

ADUM3201TRZ-EP - 2.5kVrms Dual Digital Isolator, 25Mbps | ADI

The Analog Devices ADUM3201TRZ-EP is a dual-channel digital isolator based on ADI's proprietary iCoupler technology, rated for 2500 Vrms isolation voltage and supporting data rates up to 25 Mbps in an 8-pin SOIC_N package. It provides two independent isolation channels with 25 kV/µs common-mode transient immunity (CMTI), combining high-speed CMOS and monolithic air-core transformer technology on a single silicon die. The EP suffix indicates the enhanced-product (military/aerospace) variant supporting -40°C to +125°C operating temperature. A digital isolator is a semiconductor device that transfers data across an isolation barrier (galvanic isolation) while blocking high-voltage transients, ground potential differences, and noise between two circuit domains. iCoupler technology uses chip-scale transformers instead of LEDs and photodiodes used in optocouplers, providing superior speed, lower power, higher reliability, and tighter channel-to-channel matching. Digital isolators belong to the broader hierarchy of interface ICs (Integrated Circuits > Interface ICs > Digital Isolators > Galvanic Isolation), and they are essential in systems where functional or safety isolation is mandated by IEC 60950, IEC 62368-1, or UL 1577. Key features include 25 Mbps guaranteed data rate, 2.5 ns typical rise/fall time, low dynamic power consumption that scales with data rate, and 3.3 V or 5 V operation on either side of the barrier providing bidirectional voltage translation. The device supports bidirectional channel configurations (one forward, one reverse) for serial peripheral interface (SPI) or RS-485 half-duplex applications. The 8-SOIC package is a wide-body (0.154 inch / 3.90 mm) outline with reinforced 8 mm creepage, ensuring compliance with 2500 Vrms reinforced isolation. The ADUM3201TRZ-EP integrates planar transformers and CMOS logic in a monolithic die, eliminating optocoupler LED aging and current-transfer-ratio (CTR) drift. With 25 kV/µs CMTI it can tolerate fast switching transients in motor drive, solar inverter, and industrial I/O applications without data corruption. The supply current scales linearly with channel throughput, enabling significantly lower power than optocouplers at high data rates. Typical applications include isolated SPI interfaces in motor drives and solar inverters, isolated RS-485/RS-232 transceivers, isolated gate-drive signal paths for IGBT/MOSFET half-bridges, industrial fieldbus isolation (Profibus, Modbus), and military/aerospace avionics requiring EP-grade temperature and reliability. The EP suffix enables use in defense and aerospace systems subject to MIL-STD-883 environmental stress. When designing with this isolator, ensure that the wide-body SOIC land pattern maintains the 8 mm minimum creepage required for 2500 Vrms reinforced isolation per IEC 62368-1. Decoupling capacitors of 0.1 µF should be located within 2 mm of each supply pin to handle high-frequency switching transients. Avoid routing signal traces directly beneath the device to preserve the isolation gap. This page synthesizes distributor pricing across 9+ sources, drop-in ADI and cross-brand alternative MPNs, and engineering design notes not found in the standalone manufacturer datasheet.

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ADUM3400CRWZ-RL - Quad-Channel Digital Isolator, 2.5kV, 90Mbps | Analog Devices
ADUM3400CRWZ-RL

ADUM3400CRWZ-RL - Quad-Channel Digital Isolator, 2.5kV, 90Mbps | Analog Devices

The Analog Devices ADUM3400CRWZ-RL is a 4-channel digital isolator based on Analog Devices iCoupler technology, providing 2500Vrms isolation with up to 90 Mbps data rate in a 16-pin wide-body SOIC (RW-16) package supplied on a 13-inch tape-and-reel. A digital isolator is an integrated component that transmits binary data across an electrical isolation barrier using non-conducting coupling mechanisms, replacing legacy optocouplers in modern industrial and instrumentation designs. Digital isolators sit hierarchically between general-purpose isolators and the broader signal conditioning and interface IC family, and they are commonly deployed upstream of an MCU's GPIO, downstream of a sensor's logic output, or across the high-side/low-side boundary in motor-drive and power-converter systems. Where applicable, they replace optocouplers with the benefits of higher speed, tighter channel matching, and lower timing skew. Key features of the ADUM3400CRWZ-RL include a 90 Mbps guaranteed signaling rate per channel (5 V operation), a CMTI rating of 25 kV/us minimum, and enhanced system-level ESD reliability per IEC 61000-4-x. The device operates from 2.7 V to 5.5 V on either side of the barrier, supports 4/0 channel directionality (all four channels the same direction), and consumes a low 1.4 mA per channel at 0 Mbps to 2 Mbps. The package provides a withstand-to-works rating of 2500 Vrms for 1 minute per UL 1577 and is rated for 5 kV HBM ESD on the I/O pins. The iCoupler architecture combines high-speed CMOS with monolithic air-core transformers, achieving data rates roughly 5-10x faster than optocouplers at a fraction of the LED-degradation-related concerns. The 16-SOIC wide-body footprint gives 8 mm of minimum external clearance, and the device is qualified for industrial temperature ranges. Typical uses include isolated SPI/UART interfaces between microcontrollers and high-voltage drivers, gate-drive signal isolation in motor-control inverters, isolated data acquisition between ADCs and FPGAs, and industrial fieldbus (RS-485, CAN) interface isolation. The wide temperature range also supports harsh industrial environments. When designing with this part, observe the 8 mm minimum external clearance required by the wide-body SOIC footprint for 2500 Vrms reinforced isolation. The two supply pins (VDD1 and VDD2) must be bypassed with 0.1 uF capacitors placed as close as possible to the IC. Pin 4 (DISABLE input) and the four data channels follow a specific logic convention that must be respected during power-up sequencing. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing an information layer beyond raw spec extraction.

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ADUM4151ARIZ-RL - 5kV 7-CH SPIsolator Digital Isolator | Analog Devices
ADUM4151ARIZ-RL

ADUM4151ARIZ-RL - 5kV 7-CH SPIsolator Digital Isolator | Analog Devices

The Analog Devices ADUM4151ARIZ-RL is a 5 kV rms, 7-channel SPIsolator digital isolator optimized for isolated serial peripheral interfaces (SPI), housed in a 20-pin wide-body SOIC (increased creepage) package. It carries the auxiliary-channel configuration of 2 forward / 1 reverse on top of the four dedicated SPI data lanes (CLK, MO/SI, MI/SO, SS), and supports data rates up to 2 Mbps with a common-mode transient immunity (CMTI) of 25 kV/µs. The -RL suffix denotes a 13-inch tape-and-reel packaging option. A SPIsolator is a specialized digital isolator designed to break ground loops across the SPI bus by combining reinforced galvanic isolation with very low propagation delay. Within the broader power-management and interface-IC taxonomy, a SPIsolator belongs to digital isolators -> interface isolators -> interface ICs -> integrated circuits. The ADUM4151 family is built on Analog Devices' proprietary iCoupler chip-scale transformer technology, replacing legacy optocouplers with a smaller, faster, and more reliable silicon-based transformer coupling. Key differentiating features include 5 kV rms reinforced isolation per UL 1577, 25 kV/µs minimum CMTI for robust operation in noisy motor-drive and power-converter environments, 2 Mbps signaling across all seven channels, and a maximum propagation delay of 25 ns that preserves SPI timing margins for high-speed master-slave links. The wide-body SOIC_W package provides >8 mm creepage, satisfying IEC 60747-17 / VDE 0884-11 reinforced-insulation requirements on standard 2-layer PCB layouts. On the architectural side, the device integrates an isolated DC-to-DC converter bias inside the same chip, removing the need for an external isolated supply on the secondary side - a major system BOM saving versus optocoupler-based isolation stacks. Each SPI lane is independently bidirectional-aware through the auxiliary channel mapping, and the device ships in industrial (-40°C to +125°C) operating grade. Typical applications include isolated SPI between microcontroller and gate-driver ASICs in 1.2 kV/3.3 kV solar inverters, isolated command/feedback links in industrial PLCs and servo drives, isolated sensor readouts for medical imaging systems, and reinforced isolation barriers in EV traction inverters and battery-management systems. It also fits functional-safety circuits where the auxiliary-channel mapping is required. When designing with the ADUM4151ARIZ-RL, place the device close to the SPI master to keep the un-isolated stub short, and observe the SOIC_W pad geometry (Gull-wing, 7.50 mm body width) for clean wave-solder profiles. Avoid routing the secondary-side traces near switching nodes; the 25 kV/µs CMTI rating still requires a 4 mm minimum keep-out from dV/dt edges for best margin. This page synthesizes verified distributor pricing, drop-in pin-compatible alternatives, and design notes that go beyond the manufacturer datasheet to accelerate BOM decisions.

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ADUM4154ARIZ - 5kV SPI Digital Isolator | Analog Devices
ADUM4154ARIZ

ADUM4154ARIZ - 5kV SPI Digital Isolator | Analog Devices

The ADUM4154ARIZ is a 4-channel SPIsolator digital isolator from Analog Devices, optimized for serial peripheral interface (SPI) applications. It provides galvanic isolation up to 5000 Vrms and supports SPI clock rates up to 17 MHz. The device is based on Analog Devices' iCoupler chip-scale transformer technology, which offers low propagation delay and jitter in the CLK, MO/SI, MI/SO, and SS SPI bus signals. It comes in a 20-pin SOIC-W package (0.295" width, 7.50mm) and operates over a wide temperature range of -40°C to +125°C. A digital isolator is a device that transfers digital signals across an isolation barrier, providing galvanic isolation to protect sensitive circuitry from high voltages, ground loops, and noise. In the hierarchy of isolation components, a digital isolator falls under the category of isolation ICs, which are part of the broader power management and signal conditioning ICs. The ADUM4154ARIZ specifically targets SPI communication, a synchronous serial interface widely used in embedded systems to connect microcontrollers to sensors, ADCs, DACs, and other peripherals. Key features of the ADUM4154ARIZ include support for up to four slave devices via two address pins, a 2 Mbps data rate (as listed by DigiKey, though the datasheet indicates 17 MHz SPI clock), and a high common-mode transient immunity (CMTI) of 25 kV/µs. The device operates with a supply voltage range of 4.5V to 5.5V on VDD1 and 3.0V to 3.6V on VDD2, allowing level shifting between different logic domains. The propagation delay is low, ensuring minimal skew in SPI timing. Technically, the ADUM4154ARIZ uses iCoupler technology, which employs micro-transformers to transmit data across the isolation barrier. This approach provides superior performance compared to optocouplers, including higher data rates, lower power consumption, and better reliability. The device also includes an enable pin for power management and a thermal shutdown feature for protection. Typical applications include industrial automation, motor control, data acquisition systems, and any SPI-based system requiring isolation between a controller and peripheral devices. The high CMTI makes it suitable for noisy environments such as factory floors and power conversion systems. When designing with the ADUM4154ARIZ, ensure proper PCB layout with adequate creepage and clearance distances for the 5kV isolation rating. Also, decouple both supply rails with 0.1µF capacitors close to the pins to minimize noise.

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ADUM4154ARIZ-RL - 5kV SPI Digital Isolator | Analog Devices
ADUM4154ARIZ-RL

ADUM4154ARIZ-RL - 5kV SPI Digital Isolator | Analog Devices

The ADUM4154ARIZ-RL is a 5 kV, 7-channel, SPIsolator digital isolator from Analog Devices, optimized for serial peripheral interface (SPI) applications. It supports up to four slave devices and is based on the iCoupler chip-scale transformer technology. The device provides 5000 Vrms isolation, a data rate of 2 Mbps, and a common-mode transient immunity (CMTI) of 25 kV/µs. It is available in a 20-SOIC (0.295", 7.50mm Width) package, suitable for surface-mount assembly. A digital isolator is a device that transfers digital signals across an isolation barrier, providing galvanic isolation to protect circuits and users from high voltages, ground loops, and noise. It is a key component in industrial automation, medical equipment, and communication systems where safety and signal integrity are critical. Digital isolators are part of the broader category of isolation components, which also include optocouplers and magnetic isolators. Key features of the ADUM4154ARIZ-RL include support for SPI clock rates up to 17 MHz, low propagation delay and jitter, and the ability to route the slave select signal to one of four destinations using two low-speed address pins. The device operates over a wide temperature range of -40°C to +125°C and supports supply voltages of 4.5V to 5.5V on VDD1 and 3.0V to 3.6V on VDD2. It is RoHS compliant and lead-free. The ADUM4154ARIZ-RL uses iCoupler technology, which employs chip-scale transformers to achieve isolation, offering advantages over optocouplers such as higher data rates, lower power consumption, and better reliability. The device is designed to meet stringent safety standards, making it suitable for applications requiring reinforced isolation. Typical applications include SPI isolation in industrial fieldbus systems, isolated sensor interfaces, motor control, and medical monitoring equipment. The device's high CMTI ensures reliable operation in noisy environments, and its low propagation delay supports high-speed SPI communication. When designing with this device, ensure proper PCB layout to maintain isolation spacing and minimize parasitic capacitance. Also, consider the power supply decoupling to ensure stable operation across the isolation barrier.

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ADUM4154BRIZ - 5kV SPI Digital Isolator | Analog Devices
ADUM4154BRIZ

ADUM4154BRIZ - 5kV SPI Digital Isolator | Analog Devices

The ADUM4154BRIZ is a 5 kV, 7-channel SPIsolator digital isolator from Analog Devices, optimized for serial peripheral interface (SPI) applications. It supports SPI clock rates up to 17 MHz and provides isolation for up to four peripheral devices. The device is based on Analog Devices' iCoupler chip-scale transformer technology, which offers low propagation delay and jitter in the CLK, MO/SI, MI/SO, and SS SPI bus signals. It comes in a 20-lead SOIC-W package (0.295" width, 7.50 mm) and is rated for 5000 Vrms isolation voltage with a common-mode transient immunity (CMTI) of 25 kV/µs. A digital isolator is a component that provides galvanic isolation between two circuits while allowing digital signals to pass across the isolation barrier. It is used to protect sensitive electronics from high voltages, ground loops, and noise, and is essential in industrial, medical, and automotive applications where safety and signal integrity are critical. Digital isolators are part of the broader category of interface ICs, which also includes transceivers, level shifters, and optocouplers. Key features of the ADUM4154BRIZ include its 4-channel SPI isolation with support for multiple slaves, a data rate of 34 Mbps, and a wide supply voltage range of 3 V to 5.5 V. The device also features low propagation delay and jitter, ensuring reliable high-speed SPI communication. The iCoupler technology provides superior performance compared to optocouplers, including higher data rates, lower power consumption, and better reliability. The ADUM4154BRIZ is designed for use in industrial automation, motor control, and isolated SPI communication in data acquisition systems. Its high CMTI of 25 kV/µs makes it suitable for harsh environments with fast voltage transients. The device operates over a temperature range of -40°C to +125°C, making it suitable for industrial applications. When designing with the ADUM4154BRIZ, it is important to ensure proper PCB layout to maintain isolation performance. The device requires careful attention to creepage and clearance distances, as well as proper decoupling of the power supply pins. The datasheet provides detailed guidelines for layout and application circuits.

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ADUM4160BRIZ - 5kV USB Digital Isolator, 12Mbps, 16-SOIC
ADUM4160BRIZ

ADUM4160BRIZ - 5kV USB Digital Isolator, 12Mbps, 16-SOIC

The Analog Devices ADUM4160BRIZ is a USB port isolator based on Analog Devices iCoupler technology, providing 5 kV rms galvanic isolation while supporting low-speed (1.5 Mbps) and full-speed (12 Mbps) USB 2.0 data rates. Housed in a 16-pin SOIC-W (RW-16) wide-body package, the part combines high-speed CMOS with monolithic air-core transformer technology to deliver up to 25 kV/us common-mode transient immunity (CMTI) and 60 ns typical propagation delay. The bidirectional architecture isolates the D+ and D- data lines while passing through VBUS power on a separate isolated path. A USB digital isolator is a specialized interface IC that bridges a USB host or hub to a peripheral across an isolation barrier. It belongs to the broader family of digital isolators, which sit within the signal-isolation hierarchy of interface ICs and ultimately within the power-management and signal-conditioning semiconductor category. Unlike generic multi-channel digital isolators, the ADuM4160 transparently handles USB handshaking, suspend/resume, and chirp signaling so that microcontrollers can present only the D+/D- pins without software overhead. Key specifications include 5000 V rms isolation voltage (1 minute per UL 1577 / IEC 60747-17), 5.5 V maximum VBUS supply on the upstream side, 7 mA upstream supply current at 1.5 Mbps, 12 Mbps full-speed operation, 25 kV/us minimum CMTI, and 60 ns typical propagation delay. The ADUM4160BRIZ suffix denotes the wide-body 16-SOIC (0.295 in., 7.5 mm width) with 8 mm minimum creepage distance, suitable for reinforced isolation per IEC 60601-1 and IEC 60950-1. Architecturally the device integrates two iCoupler data channels plus a dedicated isolated DC-DC path, allowing single-package +5V VBUS-to-peripheral isolation. Internal edge-detect logic monitors the bus idle level required by USB 2.0 and automatically latches the correct state, eliminating the need for external buffering. The wide-body SOIC provides reinforced insulation and supports 250 V rms or 400 V rms working voltage per VDE 0884-11. Typical applications include isolated USB medical device interfaces, industrial PLC programming ports, USB-to-UART isolation bridges, isolated data acquisition front ends, and patient-monitoring equipment where reinforced isolation is mandatory. The wide-body SOIC footprint also supports high-density USB hub designs requiring 5 kV isolation per port. When designing with the ADuM4160BRIZ, observe the recommended PCB layout to maintain 8 mm creepage: route the upstream (host-side) and downstream (peripheral-side) copper pours on opposite PCB surfaces with no overlap beneath the package. Place VBUS bypass capacitors as close as possible to the VDD pins to meet USB inrush current requirements. Decoupling should use 0.1 uF ceramic capacitors in parallel with 10 uF bulk capacitors on both sides of the isolation barrier. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone - in particular a comparison table that highlights differences between ADI, Silicon Labs, TI, and 3PEAK pin-compatible USB isolator families, and selection tips for matching CMTI and data-rate requirements to your medical or industrial application.

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ADUM4220ARWZ - 4A Isolated Half-Bridge Gate Driver | Analog Devices
ADUM4220ARWZ

ADUM4220ARWZ - 4A Isolated Half-Bridge Gate Driver | Analog Devices

The ADUM4220ARWZ is a 4 A isolated, half-bridge gate driver from Analog Devices that employs iCoupler technology to provide independent and isolated high-side and low-side outputs. It is designed to drive power MOSFETs and IGBTs in a wide range of power conversion applications, offering 5000 Vrms isolation and a propagation delay of 38 ns. The device operates from a supply voltage range of 3.0 V to 5.5 V on the input side and 4.5 V to 18 V on the output side, making it versatile for various gate drive requirements. Isolated gate drivers are essential components in power electronics that provide galvanic isolation between the low-voltage control circuitry and the high-voltage power stage. They ensure safe and reliable switching of power transistors by transmitting gate drive signals across an isolation barrier, preventing ground loops and protecting sensitive control electronics from high-voltage transients. The ADUM4220ARWZ is part of the ADuM4220 family, which includes variants with different isolation ratings and output configurations. Key features of the ADUM4220ARWZ include a peak output current of 4 A, which enables fast switching of large gate capacitances, and a high common-mode transient immunity (CMTI) of 100 kV/µs, ensuring reliable operation in noisy environments. The device also features independent high-side and low-side outputs with a dead-time control input, allowing precise timing of complementary switching signals. The 16-lead SOIC package (SOIC-16) is compact and suitable for space-constrained designs. Technically, the ADUM4220ARWZ uses Analog Devices' proprietary iCoupler technology, which integrates micro-transformers and high-speed CMOS to achieve isolation without the need for external components. This results in lower power consumption and higher reliability compared to traditional optocoupler-based solutions. The device also includes undervoltage lockout (UVLO) on both the input and output supplies, ensuring proper operation during power-up and brownout conditions. Typical applications include isolated switch-mode power supplies, motor drives, solar inverters, and industrial automation systems. The high isolation voltage and fast switching make it ideal for applications requiring robust galvanic isolation and high-frequency operation. The ADUM4220ARWZ is also suitable for automotive and industrial environments where reliability and safety are paramount. When designing with the ADUM4220ARWZ, it is important to ensure proper PCB layout to minimize parasitic inductance and maintain signal integrity. The input and output supplies should be adequately decoupled with ceramic capacitors placed close to the device pins. Additionally, the dead-time control input should be configured to prevent shoot-through in half-bridge topologies.

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ADUM5200CRWZ - 2.5kV Isolator with isoPower DC/DC | Analog Devices
ADUM5200CRWZ

ADUM5200CRWZ - 2.5kV Isolator with isoPower DC/DC | Analog Devices

The Analog Devices ADUM5200CRWZ is a dual-channel digital isolator with an integrated isolated DC-to-DC converter (isoPower), delivering up to 500 mW of regulated isolated power in a 16-lead SOIC (0.295 inch / 7.50 mm) wide-body package. Based on Analog Devices' iCoupler technology, the device combines two 25 Mbps NRZ data isolation channels with a fully isolated power stage, replacing discrete isolator-plus-DC/DC implementations with a single component. A digital isolator is a semiconductor device that transfers logic signals across a galvanic isolation barrier (typically using transformer, capacitive, or optical coupling) while blocking DC and high-voltage transients. Isolators are categorized by isolation voltage (1.5 kV, 2.5 kV, 5 kV rms), channel count (1-8), and data rate (DC to >100 Mbps). The ADUM5200 belongs to the isoPower family, a sub-category that integrates a regulated isolated supply alongside the data channels, eliminating the need for a separate isolated DC/DC module. In the broader system hierarchy, digital isolators sit between logic-level signals and high-voltage domains in industrial, medical, and energy systems. Key specifications include 2.5 kV rms isolation voltage, 25 Mbps data rate per channel (NRZ signaling), 25 kV/us minimum common-mode transient immunity (CMTI), 3.3 V or 5 V regulated output, and up to 500 mW output power from a 5.0 V input. The Schmitt-trigger inputs ease interfacing with slow or noisy sources, and the wide-body SOIC package provides >8 mm creepage per IEC 60601 / IEC 60747-17 spacing requirements for reinforced isolation. The device uses a planar transformer-based DC/DC converter stage with PWM control. Internal regulation feedback is sent across the isolation barrier via a proprietary iCoupler channel, allowing tight output regulation without optocouplers. The result is a smaller BOM and a simpler PCB layout versus discrete solutions, at the cost of lower maximum output power than dedicated isolated converter modules. Typical applications include isolated RS-232/RS-485 interfaces, isolated gate-drive power for IGBT/MOSFET bridges, industrial fieldbus (Profibus, CAN) isolation, medical device patient-isolated interfaces, and renewable-energy inverter control. The high CMTI rating makes the part especially suitable for driving power-converter gate drivers across noisy high-voltage domains. When designing with the ADUM5200CRWZ, observe the decoupling recommendations in the datasheet (10 uF low-ESR on VDD and VISO) and respect the thermal envelope: at 500 mW output and 85% efficiency the part dissipates roughly 0.5 W internally. Provide adequate copper area beneath the exposed paddle region to keep junction temperature within the 105 C maximum. This page synthesizes distributor pricing, drop-in alternatives, application notes, and design guidance not found in the manufacturer datasheet alone.

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ADUM5211ARSZ-RL7 - 2-Ch Digital Isolator w/ isoPower DC/DC | ADI
ADUM5211ARSZ-RL7

ADUM5211ARSZ-RL7 - 2-Ch Digital Isolator w/ isoPower DC/DC | ADI

The Analog Devices ADUM5211ARSZ-RL7 is a dual-channel digital isolator with an integrated, isolated dc-to-dc converter (isoPower) housed in a 20-pin SSOP package. It provides 2500 Vrms isolation, supports 2 data channels at up to 1 Mbps, and offers 25 kV/µs common-mode transient immunity (CMTI). The integrated converter delivers adjustable, regulated isolated power between 3.135 V and 5.25 V from a primary-side supply, eliminating the need for a separate isolated power supply in low-power isolated designs. A digital isolator is a semiconductor device that transfers logic signals across a galvanic isolation barrier using chip-scale micro-transformers instead of optocouplers or discrete transformers. In the system hierarchy, it sits between an MCU/processor on the logic side and a sensor, gate driver, or field-side circuitry on the protected side, providing both functional safety (signal integrity) and safety isolation (creepage/clearance for high-voltage transients). The ADUM5211 extends this role by also providing isolated power in a single IC. Key features include low power consumption suitable for 3.3 V or 5 V logic rails, channel-to-channel matching of propagation delay, and -40 °C to +105 °C industrial temperature operation. The iCoupler chip-scale transformer technology replaces optocouplers, delivering faster data rates (1 Mbps) without LED degradation. A regulated feedback loop holds the secondary output within tolerance across load and temperature variations. The architecture combines planar transformer windings for the dc-to-dc converter with logic-side transformers for the digital channels on a single die. The converter operates as a peak-current-mode flyback-equivalent topology with internal MOSFETs, and the digital channels use differential signaling across the isolation barrier. SSOP-20 packaging gives a compact footprint while maintaining 8 mm of creepage for reinforced isolation when routed on standard PCB processes. Typical applications include isolated SPI interfaces to gate drivers, RS-485/RS-232 isolation in industrial PLCs, isolated power for 4-20 mA loops, and isolated MCU communication in solar inverter gate-driver bias supplies. By co-integrating power and signal isolation, the ADUM5211 reduces BOM count, board area, and BOM-driven failure modes compared to optocoupler + discrete DC-DC solutions. When designing with the ADUM5211, ensure adequate decoupling on both primary (VDD1) and secondary (VDD2/VISO) rails with 0.1 µF and 10 µF ceramic capacitors placed close to the pins. The isolated output voltage is set by an external resistor divider on the secondary side; do not exceed the 100 mA maximum output current of the integrated DC-DC, and add a soft-start capacitor if load inrush exceeds 50 mA.

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ADUM5401ARWZ - Quad-Channel Digital Isolator with isoPower | Analog Devices
ADUM5401ARWZ

ADUM5401ARWZ - Quad-Channel Digital Isolator with isoPower | Analog Devices

The ADUM5401ARWZ is a quad-channel digital isolator with integrated, isolated DC-to-DC converter (isoPower) from Analog Devices. It provides up to 500 mW of regulated, isolated power at 5.0 V or 3.3 V from a 5.0 V input supply, or at 3.3 V from a 3.3 V supply. The device is based on iCoupler technology, which uses chip-scale transformers to achieve isolation ratings of 2500 Vrms. It supports data rates up to 1 Mbps and offers a common-mode transient immunity (CMTI) of 25 kV/µs. The ADUM5401ARWZ comes in a 16-lead SOIC-W package (0.295" width, 7.50 mm) and is suitable for general-purpose isolation in industrial, medical, and communication systems. A digital isolator is a component that provides galvanic isolation between two circuits while allowing digital signals to pass across the isolation barrier. It is used to protect sensitive electronics from high voltages, ground loops, and noise, and to ensure safety in applications where human contact is possible. Digital isolators are part of the broader category of isolation components, which also includes optocouplers and magnetic isolators. The ADUM5401ARWZ integrates the isolation barrier and a DC-to-DC converter, eliminating the need for a separate isolated power supply, which simplifies design and reduces board space. Key features of the ADUM5401ARWZ include its integrated isoPower DC-to-DC converter, which provides up to 500 mW of isolated power, and its four isolation channels, which can be configured for various data directions. The device operates over a wide temperature range of -40°C to +105°C and is available in a 16-lead SOIC-W package. It is RoHS compliant and lead-free, making it suitable for environmentally conscious designs. Technically, the ADUM5401ARWZ uses iCoupler technology, which employs chip-scale transformers to transmit data across the isolation barrier. This approach offers advantages over optocouplers, such as higher data rates, lower power consumption, and better reliability. The integrated DC-to-DC converter uses a push-pull topology to generate isolated power, and it requires only a few external components, such as a transformer and capacitors, to operate. Typical applications for the ADUM5401ARWZ include isolated SPI interfaces, industrial field buses, motor control, and medical equipment. Its integrated power supply makes it ideal for applications where a separate isolated power supply is not available or would be too bulky. The device is also suitable for use in data acquisition systems, where it can isolate analog and digital sections. When designing with the ADUM5401ARWZ, it is important to consider the power dissipation and thermal performance. The integrated DC-to-DC converter can generate heat, so adequate PCB copper area and thermal vias are recommended. Additionally, the input and output power supplies should be properly decoupled with capacitors to ensure stable operation.

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ADUM5401ARWZ-RL7 - Quad Digital Isolator w/ isoPower | ADI
ADUM5401ARWZ-RL7

ADUM5401ARWZ-RL7 - Quad Digital Isolator w/ isoPower | ADI

The ADUM5401ARWZ-RL7 from Analog Devices is a quad-channel digital isolator with integrated isoPower DC-to-DC converter, providing up to 500 mW of regulated, isolated power. It is based on iCoupler technology and comes in a 16-lead SOIC-W package. The device supports data rates up to 1 Mbps and offers 2500 Vrms isolation with 25 kV/µs common-mode transient immunity (CMTI). It operates from a 5.0 V or 3.3 V supply and provides isolated power at 5.0 V or 3.3 V, eliminating the need for a separate isolated DC-DC converter in low-power designs. A digital isolator is a component that provides galvanic isolation between two circuits while allowing digital signals to pass across the isolation barrier. It is essential in applications where ground potential differences, noise, or safety requirements demand electrical separation. Digital isolators are part of the broader category of isolation components, which also include optocouplers and magnetic isolators. They are widely used in industrial automation, medical equipment, and communication systems to protect sensitive electronics and ensure signal integrity. Key features of the ADUM5401ARWZ-RL7 include four independent isolation channels, integrated DC-to-DC converter with up to 500 mW output power, 2500 Vrms isolation rating, 1 Mbps data rate, and 25 kV/µs CMTI. The device also features thermal shutdown protection and operates over a temperature range of -40°C to +105°C. The integrated isoPower converter simplifies power supply design by providing isolated power without an external transformer, reducing board space and component count. Technically, the ADUM5401 uses Analog Devices' iCoupler technology, which employs chip-scale transformers to transmit data and power across the isolation barrier. This approach offers advantages over optocouplers, including higher data rates, lower power consumption, and better reliability. The integrated DC-to-DC converter uses a push-pull architecture to generate isolated power, achieving efficiencies up to 33% at full load. The device is designed to meet safety standards such as UL 1577 and IEC 60747-5-5, ensuring robust isolation performance. Typical applications include industrial field bus isolation, isolated SPI/UART interfaces, power supply control, and data acquisition systems. The ADUM5401 is particularly suited for applications requiring isolated power and signal isolation in a compact form factor, such as PLCs, motor drives, and medical monitoring equipment. Its 2500 Vrms isolation rating and 1 Mbps data rate make it ideal for many industrial and instrumentation applications. When designing with the ADUM5401, it is important to ensure proper PCB layout to maintain isolation spacing and minimize parasitic capacitance. The integrated DC-to-DC converter requires external capacitors for stability and filtering. Additionally, the input and output supplies should be decoupled with appropriate capacitors to ensure reliable operation.

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ADUM5403ARWZ - Quad-Channel Digital Isolator with isoPower | Analog Devices
ADUM5403ARWZ

ADUM5403ARWZ - Quad-Channel Digital Isolator with isoPower | Analog Devices

The ADUM5403ARWZ is a quad-channel digital isolator with integrated isoPower DC-to-DC converter from Analog Devices. It provides 2500 Vrms isolation and supports data rates up to 1 Mbps with a common-mode transient immunity (CMTI) of 25 kV/µs. The device is housed in a 16-pin SOIC (0.295", 7.50mm width) package and operates over a wide temperature range. Digital isolators are components that transmit digital signals across an isolation barrier, preventing high-voltage transients and ground loops from affecting sensitive circuitry. They are essential in applications requiring galvanic isolation, such as industrial automation, medical equipment, and power systems. The ADUM5403 integrates the isolation barrier and a DC-to-DC converter, eliminating the need for a separate isolated power supply. Key features include four isolation channels, an integrated DC-to-DC converter providing up to 500 mW of regulated isolated power, and a choice of 5V or 3.3V output. The device uses iCoupler technology, which combines high-speed CMOS and monolithic transformer isolation, offering reliable performance and long-term stability. It also features thermal shutdown protection and a soft-start function to manage inrush current. The ADUM5403ARWZ is designed for robust operation in harsh environments, with a wide supply voltage range and high CMTI ensuring reliable data transfer in noisy industrial settings. The integrated DC-to-DC converter simplifies power supply design, reducing component count and board space. The device is RoHS compliant and suitable for surface-mount assembly. Typical applications include industrial field bus isolation, isolated SPI/UART interfaces, motor control, and power supply monitoring. The device is also used in medical equipment where patient safety requires galvanic isolation. Its compact SOIC-16 package and integrated power make it ideal for space-constrained designs. When designing with the ADUM5403ARWZ, ensure proper PCB layout with adequate creepage and clearance distances for the isolation rating. Place decoupling capacitors close to the power pins and follow the recommended layout guidelines in the datasheet to achieve optimal performance and reliability.

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ADUM5403ARWZ-RL7 - Quad-Channel Digital Isolator with isoPower | Analog Devices
ADUM5403ARWZ-RL7

ADUM5403ARWZ-RL7 - Quad-Channel Digital Isolator with isoPower | Analog Devices

The ADUM5403ARWZ-RL7 from Analog Devices is a quad-channel digital isolator with integrated isoPower, an isolated DC-to-DC converter. It provides up to 500 mW of regulated, isolated power at 3.3 V or 5.0 V from a 5 V input supply, or at 3.3 V from a 3.3 V supply. The device supports data rates up to 25 Mbps (NRZ) across four isolation channels, with a 2.5 kVrms isolation rating and high common-mode transient immunity of >25 kV/µs. Housed in a 16-lead SOIC package with 7.6 mm creepage, it operates over a temperature range of -40°C to +105°C. Digital isolators are components that provide galvanic isolation between two circuits while allowing digital signals to pass across the isolation barrier. They are essential in applications where ground potential differences, noise, or safety requirements demand separation between the input and output sides. The ADUM5403 belongs to the family of isolated data communication ICs, which includes digital isolators, isolated transceivers, and isolated power converters. By integrating the DC-to-DC converter, the ADUM5403 eliminates the need for a separate isolated power supply, simplifying design and reducing board space. Key features of the ADUM5403ARWZ-RL7 include its integrated isoPower DC-to-DC converter, which provides up to 500 mW of regulated output power, and its four independent isolation channels. The device supports both 3.3 V and 5 V logic levels, making it versatile for various system interfaces. Its high common-mode transient immunity of >25 kV/µs ensures reliable operation in noisy industrial environments. The 16-lead SOIC package with 7.6 mm creepage meets safety requirements for reinforced insulation in many applications. Technically, the ADUM5403 uses Analog Devices' iCoupler technology, which employs chip-scale transformers to transmit data and power across the isolation barrier. This approach offers advantages over optocouplers, including higher data rates, lower power consumption, and better reliability. The integrated DC-to-DC converter uses a push-pull topology to generate isolated power, with regulation achieved through a feedback path across the barrier. The device includes under-voltage lockout (UVLO) and thermal shutdown protection to ensure safe operation. Typical applications for the ADUM5403ARWZ-RL7 include industrial field bus isolation, motor control interfaces, isolated SPI/UART communication, and power supply control in isolated converters. Its integrated power makes it ideal for isolated sensor interfaces and data acquisition systems where a separate isolated supply would be impractical. The device is also suitable for medical equipment requiring patient isolation, as well as for automotive and aerospace systems where reliability is critical. When designing with the ADUM5403, it is important to ensure adequate decoupling on both the input and output power pins, as the integrated converter can generate switching noise. The datasheet recommends specific capacitor values and layout guidelines to achieve optimal performance. Additionally, the creepage distance of 7.6 mm should be considered for applications requiring specific isolation ratings.

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ADUM5404ARWZ - Quad-Channel Digital Isolator with isoPower | Analog Devices
ADUM5404ARWZ

ADUM5404ARWZ - Quad-Channel Digital Isolator with isoPower | Analog Devices

The ADUM5404ARWZ is a quad-channel digital isolator with an integrated, isolated DC-to-DC converter (isoPower) from Analog Devices. It provides 2.5 kVrms isolation and supports data rates up to 1 Mbps with a common-mode transient immunity (CMTI) of 25 kV/µs. The device is housed in a 16-lead wide-body SOIC (0.295", 7.50mm width) package, suitable for space-constrained industrial and medical applications. Digital isolators are components that transfer digital signals across an isolation barrier while preventing unwanted DC and noise from passing between two ground domains. They are essential in systems where safety, noise immunity, or ground potential differences require galvanic isolation. The ADUM5404 integrates the isolation barrier and a DC-to-DC converter, eliminating the need for a separate isolated power supply, thus simplifying design and reducing board space. Key features include four independent isolation channels, an integrated DC-to-DC converter providing up to 500 mW of regulated, isolated power, and a wide operating temperature range. The device operates from a single 5V supply and provides a regulated 5V isolated output. Its high CMTI of 25 kV/µs ensures reliable operation in noisy industrial environments, and its 1 Mbps data rate is suitable for most control and communication interfaces. Technically, the ADUM5404 uses Analog Devices' iCoupler technology, which employs chip-scale transformers for isolation, offering superior performance compared to optocouplers in terms of speed, power consumption, and reliability. The integrated DC-to-DC converter uses a push-pull topology with an internal oscillator, providing a regulated output with typical efficiency around 30-40% at full load. The device includes under-voltage lockout (UVLO) and thermal shutdown protection. Typical applications include industrial fieldbus isolation, motor control interfaces, isolated SPI/UART communication, and medical equipment requiring patient isolation. The integrated power supply makes it ideal for isolated sensor interfaces and data acquisition systems where a separate isolated supply is impractical. When designing with the ADUM5404, ensure adequate bypass capacitors on both input and output power pins to maintain stability and reduce noise. The datasheet recommends a 0.1 µF and 10 µF capacitor on the input and a 0.1 µF and 10 µF on the isolated output. Also, consider the total power budget, as the integrated converter's efficiency limits the available output current.

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ADUM5404ARWZ-RL7 - Quad-Channel Digital Isolator with isoPower | Analog Devices
ADUM5404ARWZ-RL7

ADUM5404ARWZ-RL7 - Quad-Channel Digital Isolator with isoPower | Analog Devices

The ADUM5404ARWZ-RL7 from Analog Devices is a quad-channel digital isolator with integrated isoPower DC-to-DC converter, delivering up to 500 mW of regulated, isolated power. It is housed in a 16-lead wide-body SOIC package (0.295", 7.50mm width) and provides 2500 Vrms isolation with a common-mode transient immunity (CMTI) of 25 kV/µs. The device supports data rates up to 1 Mbps and operates from a 3 V to 5.5 V supply. Digital isolators are components that transfer digital signals across an isolation barrier, protecting sensitive circuitry from high voltages, ground loops, and noise. They replace optocouplers in many applications, offering higher speed, better reliability, and integrated power conversion. The ADUM5404 belongs to the ADuM540x family, which combines signal isolation and isolated power in a single package, simplifying board design and reducing component count. Key features include four bidirectional isolation channels, an integrated DC-to-DC converter with 500 mW output, 2500 Vrms isolation rating, 25 kV/µs CMTI, and 1 Mbps data rate. The device also features thermal shutdown protection and operates over the industrial temperature range of -40°C to +105°C. Its wide-body SOIC package ensures adequate creepage and clearance for high-voltage isolation. Technically, the ADUM5404 uses Analog Devices' iCoupler technology, which employs chip-scale transformers for isolation, providing superior performance compared to optocouplers in terms of speed, power consumption, and reliability. The integrated isoPower converter uses a push-pull architecture to generate an isolated output, eliminating the need for a separate isolated power supply. This integration reduces board space and design complexity. Typical applications include industrial fieldbus isolation, isolated SPI/UART interfaces, motor control, and power supply monitoring. The device is ideal for systems requiring both signal and power isolation, such as PLCs, motor drives, and medical equipment. Its 500 mW output can power small isolated circuits, such as sensors or transceivers. When designing with the ADUM5404, ensure proper PCB layout with adequate isolation spacing and decoupling capacitors on both sides of the isolation barrier. The integrated DC-to-DC converter requires careful attention to load regulation and ripple, especially when powering sensitive analog circuits.

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ADUM5410ARWZ - Quad-Channel Digital Isolator with isoPower | Analog Devices
ADUM5410ARWZ

ADUM5410ARWZ - Quad-Channel Digital Isolator with isoPower | Analog Devices

The ADUM5410ARWZ is a quad-channel digital isolator with an integrated, isolated DC-to-DC converter (isoPower) from Analog Devices, based on iCoupler technology. It provides 4 forward channels with a data rate of 150 Mbps and a common-mode transient immunity (CMTI) of 75 kV/µs, ensuring robust signal integrity in noisy industrial environments. The device operates from a 5.0 V or 3.3 V input supply and delivers up to 500 mW of regulated, isolated power at either 5.0 V or 3.3 V, eliminating the need for a separate isolated power supply. The ADUM5410ARWZ is housed in a 24-lead SOIC-W package (0.300" width) and is rated for a working voltage of 2500 Vrms, making it suitable for applications requiring galvanic isolation. Digital isolators are components that transfer digital signals across an isolation barrier without a physical electrical connection, using capacitive or magnetic coupling. They are essential in systems where safety, noise immunity, or ground potential differences require isolation between different sections of a circuit. The ADUM5410ARWZ belongs to the family of digital isolators, which are part of the broader category of interface ICs, and specifically to the subcategory of isolated interface ICs. Its integrated isoPower converter distinguishes it from standard digital isolators by providing isolated power, simplifying power supply design and reducing component count. Key features of the ADUM5410ARWZ include its 150 Mbps data rate, which supports high-speed communication protocols such as SPI and UART, and its 75 kV/µs common-mode transient immunity, which prevents data corruption in the presence of fast voltage transients. The device also features a 2500 Vrms isolation rating, ensuring safe operation in high-voltage applications. The integrated DC-to-DC converter provides up to 500 mW of isolated power, which can be used to power external circuitry on the isolated side, reducing the need for additional isolated power modules. Technically, the ADUM5410ARWZ uses Analog Devices' iCoupler technology, which employs chip-scale transformers to achieve isolation. This technology offers advantages over traditional optocouplers, including higher data rates, lower power consumption, and better reliability. The device also includes a soft-start function to limit inrush current during power-up, and it supports a wide operating temperature range of -40°C to +125°C, making it suitable for harsh environments. Typical applications for the ADUM5410ARWZ include industrial fieldbus communication, isolated SPI interfaces, motor control, and power supply isolation. Its integrated power converter makes it ideal for applications where space is limited and a separate isolated power supply is impractical. The device is also used in medical equipment, where patient safety requires galvanic isolation. When designing with the ADUM5410ARWZ, it is important to ensure proper PCB layout to maintain isolation spacing and to place decoupling capacitors close to the power pins. The integrated DC-to-DC converter requires careful attention to the input and output capacitor selection to ensure stable operation and to minimize ripple.

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ADUM5410ARWZ-RL7 - 4-Ch Isolator w/ DC-DC | Analog Devices
ADUM5410ARWZ-RL7

ADUM5410ARWZ-RL7 - 4-Ch Isolator w/ DC-DC | Analog Devices

The ADUM5410ARWZ-RL7 is a quad-channel digital isolator with an integrated DC-to-DC converter, manufactured by Analog Devices. It provides 4 isolated channels with a 2.5 kVrms isolation rating and supports data rates up to 150 Mbps. The device operates from a 3.0 V to 5.5 V supply on the primary side and provides a regulated, isolated output voltage on the secondary side, eliminating the need for a separate isolated power supply. It is housed in a 16-lead SOIC-W package (RW-16) and is available in tape and reel packaging (RL7). Digital isolators are components that transmit digital signals across an isolation barrier, providing galvanic isolation to protect sensitive circuitry from high voltages, ground loops, and noise. They are essential in industrial, medical, and communication systems where safety and signal integrity are critical. The ADUM5410 integrates the isolation barrier and a DC-DC converter, simplifying power and signal isolation in a single package. Key features include 2.5 kVrms isolation, 150 Mbps data rate, 75 kV/µs common-mode transient immunity (CMTI), and an integrated DC-DC converter with adjustable output voltage. The device supports a wide operating temperature range of -40°C to +125°C and is RoHS compliant. The integrated DC-DC converter provides up to 500 mW of isolated output power, making it suitable for powering isolated side circuitry. The ADUM5410 uses Analog Devices' iCoupler technology, which combines high-speed CMOS and monolithic transformer technology to achieve reliable isolation. The integrated DC-DC converter uses a push-pull topology with an internal oscillator, providing a regulated output with minimal external components. The device features an enable pin for power management and a soft-start function to limit inrush current. Typical applications include industrial fieldbus isolation, isolated SPI/UART interfaces, isolated power supplies for sensor systems, and medical equipment requiring safety isolation. The high data rate and CMTI make it ideal for communication interfaces such as RS-485, CAN, and Ethernet. When designing with the ADUM5410, ensure proper PCB layout with adequate creepage and clearance distances for the isolation rating. Place decoupling capacitors close to the VDD and VDDO pins, and follow the recommended application circuit in the datasheet for optimal performance.

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ADUM5411ARWZ - Quad-Channel Digital Isolator with DC-DC | Analog Devices
ADUM5411ARWZ

ADUM5411ARWZ - Quad-Channel Digital Isolator with DC-DC | Analog Devices

The ADUM5411ARWZ is a quad-channel digital isolator with an integrated DC-to-DC converter, manufactured by Analog Devices. It provides 4 isolation channels with a 3:1 input-to-output channel direction ratio, supporting data rates up to 150 Mbps. The device operates from a 3.0V to 5.5V supply on the primary side and delivers an isolated, regulated output voltage on the secondary side, eliminating the need for a separate isolated power supply. The ADUM5411ARWZ is housed in a 16-lead SOIC-W package (wide body, 300 mil) and offers 2.5 kVrms isolation rating, making it suitable for space-constrained industrial and instrumentation applications. Digital isolators are components that provide galvanic isolation between two circuits while allowing digital signals to pass across the isolation barrier. They use capacitive or magnetic coupling to transfer data without a direct electrical connection, protecting sensitive electronics from high voltages, ground loops, and noise. The ADUM5411 belongs to the iCoupler® family, which uses chip-scale transformer technology for reliable isolation. This product type falls under the broader category of isolation components, which include optocouplers, digital isolators, and isolated DC-DC converters, essential for safety and signal integrity in industrial, medical, and communication systems. Key features of the ADUM5411ARWZ include a 150 Mbps data rate, 75 kV/µs common-mode transient immunity (CMTI), and an integrated DC-DC converter that provides up to 500 mW of isolated output power. The device supports a wide supply range of 3.0V to 5.5V on the primary side and offers a regulated output voltage that can be set via external resistors. The isolation barrier provides 2.5 kVrms isolation per UL 1577, and the device is certified for IEC 60747-5-5 and CSA standards. The SOIC-W package ensures compatibility with standard PCB assembly processes. Technically, the ADUM5411 uses Analog Devices' iCoupler technology, which employs micro-transformers to couple signals across the isolation barrier. This approach offers superior performance compared to optocouplers, including higher data rates, lower power consumption, and better reliability. The integrated DC-DC converter uses a push-pull topology with an internal oscillator, providing a regulated output that can be used to power isolated side circuitry. The device includes an enable pin for power management and a soft-start function to limit inrush current. Typical applications include industrial fieldbus isolation, isolated SPI/UART interfaces, motor control, and isolated power supplies for sensor interfaces. The ADUM5411 is ideal for systems requiring both signal isolation and isolated power in a single package, reducing board space and component count. Its high CMTI makes it suitable for noisy environments such as motor drives and power converters. When designing with the ADUM5411, ensure proper PCB layout with adequate creepage and clearance distances for the isolation rating. Place decoupling capacitors close to the VDD and VDDP pins, and follow the recommended layout in the datasheet to achieve optimal isolation performance.

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ADUM5411BRSZ - 4-Ch Digital Isolator w/ IsoPower, 2.5kV | ADI
ADUM5411BRSZ

ADUM5411BRSZ - 4-Ch Digital Isolator w/ IsoPower, 2.5kV | ADI

The Analog Devices ADUM5411BRSZ is a quad-channel digital isolator with an integrated isoPower isolated DC-to-DC converter, rated at 2500 Vrms isolation and delivering up to 150 Mbps data rate across 4 channels in a 24-pin SSOP (5.30 mm wide-body) package. It supports 75 kV/µs common-mode transient immunity and provides regulated, adjustable isolated power between 3.15 V and 5.25 V on the secondary side. The device combines the company's iCoupler technology for signal isolation with chip-scale transformers for power isolation in one IC. A digital isolator is an IC that transmits data or DC bias across a galvanically-isolated barrier using magnetic, capacitive, or optical coupling rather than an opto-isolator or discrete transformer-plus-driver combination. The ADUM5411BRSZ belongs to the digital isolator family (a subset of interface ICs within signal conditioning semiconductors) and, uniquely in its segment, integrates both signal isolation channels and an isolated DC-to-DC converter in one package, eliminating the need for a separate isolated power supply. Key features include 4 independent isolation channels, 150 Mbps guaranteed data rate (NRZ), 2.5 kVrms withstand voltage per UL 1577, 75 kV/µs CMTI, an integrated 3.15-5.25 V adjustable isolated DC-to-DC converter with up to ~150 mA load capability, low-power default output level, and SSOP-24 wide-body package with 8 mm creepage/clearance suitable for reinforced insulation. The wide-body package supports reinforced isolation per IEC 60747-17 / VDE 0884-11. The architecture pairs four iCoupler data channels (each using a pair of planar transformers and CMOS encode/decode) with an isolated push-pull DC-to-DC converter on the same silicon substrate. Internal oscillators (~125 MHz class) drive the power transformer; feedback is sent back across the isolation barrier through a dedicated iCoupler channel. The high 75 kV/µs CMTI ensures robust data integrity in noisy industrial environments with switching power stages. Typical applications include isolated SPI/UART interfaces for industrial PLCs, isolated gate-drive power for IGBT/MOSFET half-bridges, isolated RS-485/RS-232 transceivers, medical patient-isolated data acquisition, and solar inverter communication links. The integrated isoPower removes the bill-of-material cost and PCB area of a separate isolated supply. When designing with the ADUM5411BRSZ, treat the integrated converter as a quasi-static load: output capacitance, decoupling, and the recommended transformer-secondary layout all matter. Avoid routing high dv/dt switching edges directly under the IC body, as the planar transformer coupling makes the part sensitive to external EMI. Use a 100 nF + 10 µF VDD1/VDD2 decoupling combination as specified in the manufacturer datasheet. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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ADUM5412ARWZ - 4-Ch Isolator w/ DC-DC | Analog Devices
ADUM5412ARWZ

ADUM5412ARWZ - 4-Ch Isolator w/ DC-DC | Analog Devices

The ADUM5412ARWZ is a quad-channel digital isolator with an integrated DC-to-DC converter, manufactured by Analog Devices. It provides 2.5 kVrms isolation and supports data rates up to 150 Mbps, with a common-mode transient immunity (CMTI) of 75 kV/µs. The device is housed in a 24-lead SOIC-W package (0.300" width) and operates over a temperature range of -40°C to +125°C. Digital isolators are components that transfer digital signals across an isolation barrier, preventing DC and noise from passing while allowing data and power transfer. They are essential in systems requiring galvanic isolation for safety, ground loop elimination, and noise immunity, such as industrial automation, medical equipment, and power conversion. The ADUM5412 integrates a DC-to-DC converter, enabling isolated power delivery without a separate transformer, simplifying design and reducing board space. Key features include 2.5 kVrms isolation voltage, 150 Mbps data rate, 75 kV/µs CMTI, and an integrated DC-to-DC converter with adjustable output voltage. The device supports a wide supply voltage range of 3.0V to 5.5V on both sides, and provides up to 500 mW of isolated output power. The integrated converter eliminates the need for external transformers, reducing component count and design complexity. The ADUM5412 uses Analog Devices' iCoupler technology, which employs chip-scale transformers for isolation, offering superior performance compared to optocouplers in terms of speed, reliability, and power efficiency. The device includes four independent isolation channels, configurable as 2/2 (two forward, two reverse) channel directionality, and features an enable pin for output control. The integrated DC-to-DC converter uses a push-pull architecture with a fixed switching frequency, providing stable isolated power with minimal ripple. Typical applications include isolated SPI, RS-485, and CAN interfaces, isolated power supplies for sensor systems, and industrial fieldbus communication. The high CMTI and data rate make it suitable for motor drives, inverters, and other noisy environments. The integrated DC-to-DC converter is ideal for powering isolated side circuits without additional components. When designing with the ADUM5412, ensure proper PCB layout with adequate creepage and clearance distances for the isolation rating. The integrated converter requires external capacitors for stability; refer to the datasheet for recommended values. Thermal considerations are important at high output power; the SOIC-W package has a thermal resistance of [DATA_NEEDED: thermal resistance].

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ADUM5412ARWZ-RL7 - Quad-Channel Digital Isolator with isoPower | Analog Devices
ADUM5412ARWZ-RL7

ADUM5412ARWZ-RL7 - Quad-Channel Digital Isolator with isoPower | Analog Devices

The ADUM5412ARWZ-RL7 is a quad-channel digital isolator with integrated, isolated DC-to-DC converter from Analog Devices, based on iCoupler technology. It provides four isolation channels with a 2:2 channel directionality (two forward, two reverse) and a regulated, isolated output voltage adjustable between 3.15 V and 5.25 V. The device is housed in a 24-lead SOIC-W (wide body) package, offering 2.5 kVrms isolation rating and a data rate of up to 150 Mbps. With a common-mode transient immunity (CMTI) of 75 kV/µs, it ensures robust operation in noisy industrial environments. The integrated isoPower DC-to-DC converter eliminates the need for a separate isolated power supply, simplifying board design and reducing component count. The ADUM5412ARWZ-RL7 operates over the industrial temperature range of -40°C to +125°C and is RoHS compliant. It is suitable for applications requiring galvanic isolation and isolated power delivery, such as industrial fieldbus interfaces, isolated SPI, and data acquisition systems. The device supports a wide supply voltage range on the primary side, and the secondary side can be configured to provide a regulated output. The ADUM5412ARWZ-RL7 is part of the ADuM541x family, which includes variants with different channel configurations and isolation ratings. The 'A' grade indicates a specific performance level, and the 'RWZ' suffix denotes the SOIC-W package, while 'RL7' indicates tape and reel packaging. This isolator is designed to meet stringent safety standards, providing reliable isolation for sensitive electronics. Its integrated power converter makes it an ideal choice for space-constrained designs where a separate isolated DC-DC converter would be impractical. The device also features a soft-start function to limit inrush current during power-up, and it can be synchronized with an external clock to reduce electromagnetic interference (EMI) in multi-device systems. With its high data rate and robust isolation, the ADUM5412ARWZ-RL7 is a versatile solution for modern isolated communication interfaces.

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ADUM5412BRSZ - 4-Ch Iso w/Int DC-DC, 2.5kV, 24-SSOP | ADI
ADUM5412BRSZ

ADUM5412BRSZ - 4-Ch Iso w/Int DC-DC, 2.5kV, 24-SSOP | ADI

The Analog Devices ADUM5412BRSZ is a quad-channel digital isolator with an integrated isolated DC-to-DC converter based on ADI's proprietary isoPower and iCoupler technology, housed in a 24-pin SSOP (5.30 mm width) package. It provides 2500 Vrms of galvanic isolation across four independent data channels at 150 Mbps, with 75 kV/µs common-mode transient immunity (CMTI), and ships with a 2:2 channel configuration optimized for high-speed digital signaling. A digital isolator with an integrated DC-to-DC converter is a hybrid isolation device that combines inductive isolation barrier technology (the isoPower transformer) with high-speed capacitive or transformer data isolation channels. This integrated approach eliminates the need for a separate isolated power supply on the secondary side, simplifying PCB layout, reducing BOM count, and ensuring that the isolation rating of the power rails matches the isolation rating of the data channels. Within the broader semiconductor hierarchy, the ADUM5412 belongs to the digital isolator family, which itself sits under interface ICs and inter-IC communication products. Key specifications include four independent isolation channels, 150 Mbps maximum guaranteed data rate per channel, 2.5 kVrms withstand voltage, and 75 kV/µs CMTI, making it well-suited for environments with fast-switching power converters. The internal DC-to-DC converter delivers a regulated, isolated output adjustable between 3.15 V and 5.25 V, providing up to 75 mA of load current from a 5 V primary-side supply. Operating temperature range spans -40 °C to +105 °C (or up to +125 °C, depending on variant), and the device carries 5 kV HBM ESD protection on data lines. Typical applications include industrial fieldbus isolation (RS-485, RS-232, CAN), isolated gate-drive interfaces for power inverters, isolated SPI or UART links between microcontroller and high-voltage domains, medical patient-monitoring equipment requiring reinforced isolation, and renewable-energy power-conversion stages where the control MCU and the IGBT/MOSFET gate driver must remain galvanically separated. The wide-body 24-SSOP with 5.30 mm creepage provides the reinforced-insulation creepage/clearance required by many industrial safety standards. When designing with the ADUM5412, observe the layout guidance in the ADuM5410/ADuM5411/ADuM5412 datasheet - especially the requirement to place decoupling capacitors as close as possible to the VDDP and VISO pins, and to avoid routing high-frequency switching signals directly under the part. The integrated DC-to-DC converter emits high-frequency magnetic fields, so sensitive analog traces should be routed away from the device. A 4-layer PCB with a continuous ground plane is strongly recommended for EMI performance. This page synthesizes distributor pricing, drop-in alternatives, and practical PCB layout notes not found in the manufacturer datasheet alone.

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