Circuits intégrés

ADSP-BF537BBCZ-5B

ADSP-BF537BBCZ-5B - 500MHz Blackfin DSP, 208-BGA | Analog Devices

The Analog Devices ADSP-BF537BBCZ-5B is a 500 MHz fixed-point Blackfin embedded Digital Signal Processor that delivers 500 MIPS of processing throughput, packaged in a 208-ball CSP-BGA (17x17 mm) with 132 kB on-chip SRAM. According to the ADSP-BF534/BF536/BF537 family datasheet (Rev J), the device integrates an IEEE 802.3-compliant 10/100 Ethernet MAC, a CAN 2.0B controller, two UARTs, an SPI port, two SPORTs, a TWI controller, nine 32-bit timers (eight with PWM), an RTC, a watchdog timer, and a parallel peripheral interface (PPI). A DSP (Digital Signal Processor) is a specialized microprocessor architecture optimized for the mathematical operations central to real-time signal processing - multiply-accumulate (MAC) loops, FFTs, and finite-impulse-response (FIR) filters - executed at deterministic throughput. Within the embedded computing hierarchy, a DSP sits below general-purpose microcontrollers in flexibility but above them in numeric throughput, and the Blackfin family further blurs that line with a unified RISC/DSP instruction set that allows C-level control code and DSP kernels to share the same core. Key features include a Blackfin 16/32-bit embedded processor core with dynamic power management, a 16-bit fixed-point data path, hardware-accelerated video processing for surveillance workloads, and a tightly-coupled 132 kB SRAM configured as 32 kB L1 instruction, 32 kB L1 data, and 64 kB configurable L1/SRAM scratch. The 208-CSPBGA package also exposes a 16-bit external SDRAM controller (up to 128 MB) and an asynchronous memory controller (up to 4 banks), enabling large data buffers for streaming audio, video, and industrial-control tasks. Typical applications include networked video surveillance DVRs and IP cameras, industrial factory-automation controllers leveraging the CAN 2.0B bus, VoIP and IP-based audio endpoints that use the on-chip Ethernet MAC, and portable medical/handheld instrumentation needing deterministic DSP performance at low power. The integrated Ethernet MAC removes the need for an external PHY controller on simple IP nodes, while the CAN and SPORT interfaces bridge directly to automotive and industrial field buses. When designing with this device, allocate at least four PCB layers for signal integrity on the 208-ball BGA, follow Analog Devices' EE-148 and EE-199 notes for BGA fanout and decoupling, and verify that the VDDINT and VDDEXT rails each have bulk plus 0.1 µF + 10 nF high-frequency decoupling within 5 mm of the balls. This page synthesizes distributor pricing, Blackfin family drop-in alternatives, and practical layout guidance not found in the manufacturer datasheet alone.

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ADSP-BF607BBCZ-5

ADSP-BF607BBCZ-5 - Dual-Core Blackfin DSP 500MHz | Analog Devices

The Analog Devices ADSP-BF607BBCZ-5 is a dual-core Blackfin Digital Signal Processor (DSP) operating at up to 500 MHz, delivering up to 1000 MMACs of combined signal-processing throughput and packaged in a 349-ball CSP-BGA measuring 19x19 mm. Each of the two Blackfin cores integrates a dual-MAC signal-processing engine, a clean orthogonal RISC-like microprocessor instruction set, and SIMD support, so the device combines controller-class code density with DSP-class math performance for embedded applications. On-chip memory totals 256 KB of L2 SRAM shared between the cores, plus dedicated L1 instruction and data memories per core. A Blackfin Digital Signal Processor is a member of the MSA (Micro Signal Architecture) family jointly developed by Analog Devices and Intel. Blackfin processors unify DSP and microcontroller functionality on a single deterministic core, which is why they are widely chosen for embedded applications that must execute both a real-time OS and computationally intense audio, video or control algorithms simultaneously. Within the broader taxonomy, the ADSP-BF607 sits at the same level as other embedded DSPs and microcontrollers and belongs to the integrated-circuits category of semiconductors. Key features of the ADSP-BF607BBCZ-5 include a 500 MHz core clock per core, dual 16-bit or single 32-bit MAC per cycle, hardware video ports (PPI), USB 2.0 HS OTG, two CAN 2.0B controllers, a 10/100 Ethernet MAC, DDR/LPDDR memory controller, and rich peripheral integration for industrial networking. The device targets -40C to +85C operation with a 1.25 V internal core supply and is supplied in a 349-ball 19x19 mm Chip-Scale-BGA (CSPBGA). This "-5" speed grade variant runs the cores at the maximum 500 MHz frequency and is pin-compatible with the slower -4 (400 MHz) and -3 (300 MHz) grades of the ADSP-BF607 family. Typical use cases include industrial motor control and Condition Monitoring, multi-channel audio processing and beam-forming, portable medical instrumentation, automotive audio and driver-assistance preprocessing, image processing pipelines, and networked smart-grid metering. The dual-core architecture lets one core run the control loop while the other core handles signal conditioning, freeing designers from the throughput compromises of single-core Blackfin-class microcontrollers. When designing with the ADSP-BF607BBCZ-5, ensure PCB BGA fanout supports the 0.8 mm pitch ball array and that the DDR/LPDDR memory interface is routed with controlled-impedance, length-matched traces. Use the BSDL and VDSP++ tool chain for software development, and consult the manufacturer datasheet for full peripheral multiplexing and boot-mode configuration guidance. This page synthesizes distributor pricing, drop-in alternatives within the ADSP-BF60x family, and practical design notes not found in the manufacturer datasheet alone.

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ADSP-BF609BBCZ-5

ADSP-BF609BBCZ-5 - Dual-Core Blackfin DSP 500MHz, 349-BGA | ADI

The Analog Devices ADSP-BF609BBCZ-5 is a dual-core fixed-point Blackfin digital signal processor clocked at 500 MHz, integrating a unique pipelined vision processor (PVP) for embedded vision and video analytics workloads, housed in a 349-ball CSP-BGA package (19x19 mm). The two Blackfin cores share an orthogonal RISC-like Micro Signal Architecture combining 16-/32-bit DSP capability with single-instruction multiple-data (SIMD) execution. A DSP (Digital Signal Processor) is a specialized microprocessor optimized for real-time numerical computation on streaming data — a core building block of signal processing chains, sensor fusion systems, and machine learning inference at the edge. Within the broader taxonomy, the ADSP-BF609 belongs to the Blackfin family of converged DSP/MCU processors, which sit alongside ADSP-21xxx fixed-point, ADSP-TSxxx TigerSHARC floating-point, and SHARC (ADSP-2143xxx/2148xxx) families from Analog Devices. It is positioned for vision applications where a programmable CPU is paired with deterministic image-pipeline accelerators. Key features include a dual-core fixed-point engine at 500 MHz, on-chip L1 memory with configurable SRAM/cache architecture, an integrated PVP image-pipeline accelerator with hardware ISP blocks, and a rich peripheral set including CAN, USB, Ethernet MAC, PPI (Parallel Peripheral Interface), SPI, TWI, UART, and timers. The part runs from a 1.25 V core / 1.8 V / 3.3 V I/O supply and supports industrial -40 C to +85 C operation. Architecture combines dual-MAC signal processing engines, deterministic interrupt handling, and low power consumption for embedded deployment. The PVP offloads common image-pipeline operations (filtering, color conversion, geometric distortion) from the cores, freeing CPU bandwidth for analytics. Typical applications include automotive advanced driver assistance systems (ADAS), industrial machine vision and robotics, security/surveillance video analytics, bar-code scanners, and biometrics systems. When designing, ensure DDR memory sharing for both cores and route the high-speed PPI/video bus with controlled-impedance traces; the BGA requires PCB with microvia stack-up and matched-length differential routing for MIPI/parallel video. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on typical distributor pages.

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ADSP-BF706BCPZ-4

ADSP-BF706BCPZ-4 - Blackfin+ DSP 400MHz 1MB SRAM LFCSP-88 | ADI

The Analog Devices ADSP-BF706BCPZ-4 is a low-power Blackfin+ embedded digital signal processor featuring a 400 MHz dual-MAC core, 1 MByte on-chip L2 SRAM with ECC protection, and a 12x12mm 88-lead LFCSP-VQ (CPZ) package. The part ships in the -4 speed grade (400 MHz core / 800 MMACS) and is targeted at cost-sensitive, low-power industrial signal-processing designs. What is a Blackfin+ DSP? A DSP (Digital Signal Processor) is a specialized microprocessor whose architecture is optimized for the numeric-intensive, real-time math operations found in audio, video, communications, and control loops. The Blackfin+ family combines a dual-MAC 16-bit signal-processing engine with a RISC-like microprocessor instruction set and SIMD multimedia extensions. Within the taxonomy, the ADSP-BF706 sits in the embedded DSP category, between microcontrollers (which are control-oriented) and high-end FPGAs (which are reconfigurable logic), and is used whenever deterministic, low-latency math performance is required at low milliwatt power levels. Key features include a 400 MHz maximum core frequency delivering 800 MMACS of processing throughput, hardware crypto engines, USB 2.0 high-speed OTG, two CAN 2.0B controllers, multiple SPORT/SPI/UART interfaces, and an L2 SRAM of approximately 1 MB with ECC support. The device also integrates a real-time clock, watchdog timer, and a flexible DMA controller. Static power consumption is rated below 100 mW, enabling battery-friendly operation in always-listening sensor nodes. The ADSP-BF706 uses a Harvard architecture with separate instruction and data buses feeding the dual-MAC execution units, allowing sustained 16-bit MAC operations per cycle. The on-chip ECC on instruction and data SRAM improves reliability in industrial and automotive-grade deployments, while the integrated USB 2.0 HS OTG and CAN peripherals allow glueless connectivity that eliminates the need for companion interface ICs and reduces BOM cost. Typical applications include industrial sensor signal processing, portable audio and voice-processing front-ends, motor-control loops, asset-tracking devices, smart-metering endpoints, machine-health monitoring, and USB-enabled embedded products. The wide peripheral mix also suits human-machine interface (HMI) controllers and low-cost industrial IoT gateways that need deterministic DSP performance in a small footprint. When designing with the ADSP-BF706BCPZ-4, plan for a 1.8 V internal core rail plus a 3.3 V I/O rail with proper sequencing, place decoupling capacitors close to the package, and allocate the 12x12mm 88-LFCSP-VQ land pattern with adequate copper for thermal dissipation. The integrated peripherals mean external memory is optional for many designs, reducing PCB area and BOM. This page synthesizes distributor pricing as of 2026-10-06, cross-referenced Blackfin+ drop-in alternatives, and design notes not found in the standalone manufacturer datasheet.

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ADUC834BSZ

ADUC834BSZ - 8-bit 12.58MHz MCU, Dual 24/16-bit ADC | ADI

The Analog Devices ADUC834BSZ is an 8-bit 8052 MicroConverter® microcontroller integrating two independent high-resolution sigma-delta ADCs (24-bit primary and 16-bit auxiliary), 62 KB of on-chip Flash/EE program memory, and 2.25 KB of user RAM on a single die, housed in a 52-pin MQFP (10x10 mm) package. The device runs at 12.58 MHz from an internal oscillator and exposes 34 digital I/O lines for general-purpose use. A MicroConverter® is a category of mixed-signal data-acquisition IC that pairs an industry-standard microcontroller core with precision analog front-end blocks. Within the broader taxonomy it sits as: MicroConverter® -> Microcontroller with ADC -> Mixed-signal MCU -> Embedded IC -> Semiconductor. By co-integrating precision ADCs, a PGA, a temperature sensor, an 8051-compatible core, and non-volatile memory, an ADuC834 replaces a multi-chip analog front end plus MCU solution with one part. Key features include the dual sigma-delta ADC architecture with 24-bit no-missing-code performance on the primary channel and 16-bit on the auxiliary channel, an on-chip programmable gain amplifier (PGA) supporting gains of 1 to 128, an integrated bandgap temperature sensor, an 8051-compatible instruction set, three 16-bit timer/counters, and dual data pointers for efficient code execution. The Flash/EE memory supports in-circuit serial programming. The ADUC834BSZ combines a precision analog front end with deterministic 8051-class control in a single chip, reducing BOM count, PCB area, and noise pickup on analog lines. The sigma-delta converters provide excellent low-frequency noise rejection for DC measurement, while the 8052 core offers familiar development tools and interrupt architecture, making the part well-suited for stand-alone instrumentation. Typical applications include precision weighing scales, industrial process control weighing and strain-gauge front ends, portable medical instrumentation, smart temperature transmitters with 4-20 mA loops, loop-powered smart sensors, and battery-powered data loggers. The wide analog input range and on-chip PGA simplify interface to bridge sensors, load cells, and low-output transducers. The auxiliary 16-bit ADC handles second transducer or supply monitoring in parallel without burdening the main measurement channel. When designing with this device, plan for an analog ground plane separate from the digital ground layer and join them at a single star point near the AVDD pin to preserve ADC noise performance. Use the on-chip PGA to scale bridge outputs to the ADC's full-scale range, and bypass AVDD and DVDD separately with 100 nF and 10 uF capacitors to suppress regulator and digital switching noise. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not present in the manufacturer datasheet, including a parameter-side-by-side comparison against the ADuC831, ADuC832, and ADuC836 siblings in the ADuC8xx family.

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ADUCM410BBCZ

ADUCM410BBCZ - 160MHz Cortex-M33 Precision Analog MCU | ADI

The Analog Devices ADUCM410BBCZ is a fully integrated 32-bit precision analog microcontroller built around an Arm Cortex-M33 processor core running at 160 MHz, with 1 MB of integrated Flash and 256 kB of SRAM, housed in an 81-ball CSPBGA (5x5 mm) package. The device integrates a high-performance 16-bit, 2 MSPS analog-to-digital converter (ADC) supporting up to 16 input pins configurable for single-ended or differential acquisition with on-chip programmable gain amplifier (PGA) and transimpedance amplifier (TIA). A microcontroller (MCU) is an integrated system-on-chip that combines a processor core, program and data memory, and a configurable set of digital and analog peripherals. Precision analog microcontrollers extend this concept by co-integrating high-resolution data converters and analog signal conditioning, allowing the MCU to directly interface with sensors, transducers, and analog front-end signals without external ADC ICs. The ADuCM410 sits at the top of Analog Devices' ADuCM micro-controller family and belongs to the broader category of mixed-signal embedded processors and controllers. Key features include a 16-bit sigma-delta style ADC architecture with 2 MSPS throughput, 16 analog input channels, an integrated MDIO interface for optical network communications, multiple serial interfaces (SPI, I2C, UART), timers, GPIO, and hardware cryptographic acceleration. The die temperature sensor and on-chip supply monitors support robust system health diagnostics, while the ARM Cortex-M33 core offers DSP extensions and TrustZone security for industrial-grade applications. Typical applications include optical transceiver modules (QSFP28, SFP28, SFP+) where the MDIO interface and integrated ADC enable laser bias control and received-signal-strength monitoring, industrial process control loop sensors with 4-20 mA current loops, battery management systems in industrial energy storage, precision multi-channel data acquisition systems, and smart sensor hubs that aggregate thermocouple, RTD, and 4-20 mA signals at industrial network nodes. When designing with the ADuCM410BBCZ, ensure the CSPBGA land pattern uses microvia-in-pad PCB construction and that supply rails meet the 2.5V/3.3V tolerance specified by Analog Devices for the analog and digital domains. Decouple AVDD and DVDD separately, and follow the datasheet reference layout for the exposed-pad thermal pad to keep junction temperature within the -40C to +125C operating range. Use the TrustZone-aware linker to isolate secure boot and key storage regions if cryptographic functions are enabled. This page synthesizes distributor pricing, drop-in alternatives within the ADuCM410 family, and practical design notes not found in the manufacturer datasheet, giving embedded engineers an actionable reference for optical module and precision sensor designs.

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ADUM1201ARZ

ADUM1201ARZ - Dual 2500Vrms 1Mbps Isolator | Analog Devices

The ADUM1201ARZ is a dual-channel digital isolator from Analog Devices, Inc., based on the proprietary iCoupler technology. It provides 2500Vrms isolation with a data rate of 1Mbps and a common-mode transient immunity (CMTI) of 25kV/µs. The device is housed in an 8-pin SOIC (0.154", 3.90mm width) package, making it suitable for space-constrained applications. It operates with a supply voltage range of 3.0V to 5.5V on both sides, allowing flexible interfacing with different logic levels. A digital isolator is a component that provides electrical isolation between two circuits while allowing digital signals to pass across the isolation barrier. Unlike optocouplers, which use LEDs and photodiodes, iCoupler devices use monolithic transformers and high-speed CMOS to achieve isolation. This approach eliminates the uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects associated with optocouplers. Digital isolators are essential in applications where ground potential differences, noise, or safety requirements demand galvanic isolation, such as in industrial automation, medical equipment, and communication systems. Key features of the ADUM1201ARZ include its dual-channel configuration with 1/1 channel directionality, meaning one channel transmits data in each direction. The device supports data rates up to 1Mbps, making it suitable for low-to-moderate speed communication interfaces like SPI, UART, and GPIO isolation. The 25kV/µs CMTI ensures reliable operation in noisy environments, preventing false triggering due to fast transients. The iCoupler technology also consumes significantly less power than optocouplers, with typical quiescent current in the microampere range. The ADUM1201ARZ features a patented refresh mechanism that ensures DC correctness in the absence of input logic transitions and during power-up/power-down conditions. This is critical for maintaining the integrity of static signals across the isolation barrier. The device is available in both standard and automotive-grade versions, with the ADUM1201W variants qualified for 125°C operation. The 8-pin SOIC package is widely used and easy to integrate into existing PCB designs. Typical applications include isolating SPI and UART interfaces in industrial control systems, providing isolation in medical monitoring equipment, and protecting sensitive electronics in communication infrastructure. The device is also used in power supply control and motor drive circuits where high-voltage transients are present. Its small footprint and low power consumption make it ideal for portable and battery-powered devices. When designing with the ADUM1201ARZ, it is important to ensure proper power supply decoupling on both sides of the isolation barrier. Place 0.1µF capacitors close to the VDD1 and VDD2 pins to minimize noise. Additionally, consider the maximum data rate and CMTI requirements of your application to ensure the device meets your performance needs.

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ADUM1201ARZ-RL7

ADUM1201ARZ-RL7 - Dual-Channel Digital Isolator 2500Vrms | Analog Devices

The Analog Devices ADUM1201ARZ-RL7 is a dual-channel digital isolator based on the proprietary iCoupler technology, providing 2500Vrms galvanic isolation with a 1Mbps data rate and 25kV/µs common-mode transient immunity (CMTI). It is housed in an 8-SOIC (0.154", 3.90mm width) package, operates over a 3.0V to 5.5V supply range on both sides, and is rated for -40°C to +125°C operation. A digital isolator is a component that transfers digital signals across a galvanic isolation barrier without allowing direct current flow. Unlike optocouplers, which use LEDs and photodiodes, iCoupler devices use monolithic transformers and high-speed CMOS to achieve higher data rates, lower power consumption, and more stable performance over temperature and lifetime. Digital isolators are essential in systems where ground potential differences, noise, or safety requirements demand isolation, such as in industrial automation, medical equipment, and data acquisition. Key features of the ADUM1201ARZ-RL7 include 1/1 channel directionality (one forward channel and one reverse channel), which is ideal for bidirectional communication. The device delivers 2500Vrms isolation voltage, 1Mbps data rate, and 25kV/µs CMTI, ensuring reliable operation in noisy environments. The wide supply range supports both 3.3V and 5V logic levels, and the typical quiescent current is only 1.3mA per channel, making it suitable for power-sensitive applications. Technically, the ADuM1201 combines high-speed CMOS and monolithic transformer isolation in an 8-lead SOIC package. This architecture eliminates the need for external drivers and discrete components, reducing board space and improving reliability. Unlike optocouplers, iCoupler technology does not suffer from current transfer ratio degradation, providing stable isolation performance throughout the product lifetime. Typical applications include industrial automation for isolating field buses and sensor interfaces, medical devices where patient safety requires galvanic isolation, and data acquisition systems to prevent ground loops and noise. It is also used in power supply control, motor drives, and communication interfaces. When designing with this device, place bypass capacitors close to the VDD1 and VDD2 pins and maintain proper PCB spacing across the isolation barrier to preserve creepage and clearance requirements. The high CMTI rating makes the part robust in fast-switching environments, but careful layout is still required to maximize isolation performance.

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ADUM1201BRZ

ADUM1201BRZ - 2-Ch Digital Isolator 10Mbps | Analog Devices

The ADUM1201BRZ is a dual-channel digital isolator from Analog Devices, based on the proprietary iCoupler technology. It provides 2500Vrms isolation with a data rate of 10Mbps and a common-mode transient immunity (CMTI) of 25kV/µs. The device is housed in an 8-pin SOIC (0.154", 3.90mm width) package, making it suitable for space-constrained applications. It operates over a supply voltage range of 2.7V to 5.5V on both sides, allowing flexible interfacing with different logic levels. A digital isolator is a component that provides electrical isolation between two circuits while allowing digital signals to pass across the isolation barrier. Unlike optocouplers, which use LEDs and photodiodes, iCoupler devices use monolithic transformers and high-speed CMOS, eliminating concerns about current transfer ratio (CTR) degradation, nonlinear transfer functions, and temperature/lifetime effects. This results in more stable performance and lower power consumption—iCoupler devices consume about one-tenth the power of comparable optocouplers. Key features of the ADUM1201BRZ include a bidirectional channel configuration (1/1 directionality), a maximum data rate of 10Mbps, and a CMTI of 25kV/µs, which ensures reliable operation in noisy industrial environments. The device also offers a wide operating temperature range of -40°C to +105°C, making it suitable for harsh applications. The SOIC-8 package is industry-standard, enabling easy PCB layout and drop-in replacement in many designs. Technically, the ADUM1201BRZ uses a 2.7V to 5.5V supply range on both VDD1 and VDD2, with a maximum quiescent current of 2.6mA per channel. The propagation delay is typically 50ns, and the pulse width distortion is 3ns, ensuring accurate signal transmission. The device is certified to UL1577, IEC 60747-5-5, and CSA standards, providing robust isolation ratings. Typical applications include industrial fieldbus isolation, motor drives, battery monitoring, hybrid electric vehicles, and digital isolation in power supplies. The ADUM1201BRZ is particularly well-suited for isolating SPI, UART, and other serial interfaces where high-speed data transfer and reliable isolation are required. When designing with this device, ensure that the bypass capacitors (0.1µF) are placed close to the VDD pins to minimize noise. Also, consider the maximum data rate and CMTI requirements of your application to ensure the device meets your performance needs.

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ADUM1201BRZ-RL7

ADUM1201BRZ-RL7 - Dual-Channel Digital Isolator | Analog Devices

The ADUM1201BRZ-RL7 is a dual-channel digital isolator from Analog Devices, based on the proprietary iCoupler technology. It provides galvanic isolation up to 2500Vrms, with a data rate of 10Mbps and a common-mode transient immunity (CMTI) of 25kV/µs. The device is housed in an 8-pin SOIC (0.154", 3.90mm width) package, making it suitable for space-constrained applications. Digital isolators are components that transfer digital signals across an isolation barrier, preventing DC current flow while allowing AC signals to pass. They are essential in systems where safety, noise immunity, or ground potential differences are concerns. The ADUM1201BRZ-RL7 uses monolithic transformer technology, which offers superior performance compared to traditional optocouplers, including higher data rates, lower power consumption, and better reliability. Key features of the ADUM1201BRZ-RL7 include its 1/1 channel directionality (one forward, one reverse), a wide supply voltage range of 3.0V to 5.5V, and a propagation delay of typically 50ns. The device also features a high CMTI of 25kV/µs, ensuring reliable operation in noisy industrial environments. Its low power consumption and small package make it ideal for battery-powered and portable applications. The ADUM1201BRZ-RL7 is designed using Analog Devices' iCoupler technology, which integrates micro-transformers and high-speed CMOS circuits on a single chip. This architecture eliminates the need for external components and provides a robust isolation solution. The device meets various safety standards, including DIN EN 60950, and is RoHS compliant. Typical applications include motor drives, battery monitors, hybrid electric vehicles, and digital fieldbus isolation. In motor drives, the isolator protects control circuits from high-voltage transients. In battery monitoring, it ensures safe communication between cells and the controller. The device's high CMTI and data rate make it suitable for industrial automation and communication interfaces. When designing with the ADUM1201BRZ-RL7, it is important to ensure proper PCB layout to maintain isolation performance. Keep the isolation barrier clear of copper traces and place decoupling capacitors close to the supply pins. Also, consider the propagation delay and timing requirements of your system to avoid data corruption.

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ADUM121N0WBRZ-RL7

ADUM121N0WBRZ-RL7 - 150Mbps Dual Digital Isolator, 3kV | Analog Devices

The Analog Devices ADUM121N0WBRZ-RL7 is a dual-channel digital isolator based on Analog Devices' iCoupler technology, providing 3000 Vrms isolation and 150 Mbps data rate in an 8-pin SOIC-N (NSOIC) wide-body package. It uses a 1/1 channel configuration (one forward, one reverse) and combines CMOS with monolithic air-core transformer technology to deliver superior performance versus optocouplers. The device operates from 1.7 V to 5.5 V on both sides and supports 100 kV/us common-mode transient immunity (CMTI). A digital isolator is a semiconductor device that transfers digital signals between two circuit domains while providing galvanic isolation - a safety barrier that blocks DC and low-frequency fault currents while allowing high-speed data to pass through transformer, capacitive, or optical coupling. iCoupler technology integrates a chip-scale air-core transformer on a CMOS die, replacing the LED/photodiode stack used in optocouplers. Compared with optocouplers, iCoupler parts like the ADuM121N offer 10x to 100x faster data rates, tighter pulse-width distortion, lower power, and no LED-degradation aging effects. Digital isolators sit in the signal-conditioning block between sensors/MCUs and the rest of the system. Key features of the ADuM121N0WBRZ-RL7 include 25 ns typical propagation delay, 2 ns typical pulse-width distortion, 4 mA per-channel supply current at 3.3 V, and 100 kV/us minimum CMTI. The wide-body SOIC package provides the 3 kVrms reinforced isolation needed for industrial and renewable-energy applications while exposing the part to standard 8-pin SMD assembly. The -RL7 suffix denotes a 7-inch tape-and-reel packaging for high-volume production. From an architectural standpoint, the ADuM121N uses a differential transformer coupling path with on-chip encoding that refreshes the input state on every clock cycle, eliminating the run-length limitations of competing edge-based architectures. The wide supply range (1.7 V to 5.5 V) allows direct connection to 1.8 V, 2.5 V, 3.3 V, or 5 V logic without level shifters, simplifying mixed-voltage isolation. The 150 Mbps data rate supports SPI, I2C (via bit-banging), RS-485, and high-speed GPIO up to about 10 MHz NRZ. Typical applications include isolated SPI interfaces for motor drives, isolated gate-drive signal paths in solar inverters, RS-485/RS-232 isolation in industrial PLCs, isolated ADC front-ends for medical and test equipment, and digital control links in EV battery management systems. Designers favor this part when 3 kVrms isolation, high CMTI, and 150 Mbps throughput must coexist in a wide-body SOIC footprint. When designing with the ADuM121N0WBRZ-RL7, place decoupling capacitors (typically 0.1 uF) on both VDD1 and VDD2 within 2 mm of the supply pins, and route the input/output traces on opposite sides of the isolation barrier to maintain creepage. Confirm that PCB layout preserves the 4 mm minimum clearance required by the 8-SOIC wide-body package for 3 kVrms reinforced isolation.

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ADUM1250ARZ

ADUM1250ARZ - Hot Swappable Dual I2C Isolator | Analog Devices

The ADUM1250ARZ is a hot-swappable, dual-channel digital isolator from Analog Devices, specifically designed for bidirectional I2C communication. It provides 2500Vrms isolation with a data rate of 1Mbps and a common-mode transient immunity (CMTI) of 25kV/µs. The device is housed in an 8-lead SOIC package (0.154", 3.90mm width) and operates from a 3.0V to 5.5V supply, making it suitable for a wide range of isolated I2C applications. Digital isolators are components that transfer digital signals across an isolation barrier without a direct electrical connection, using capacitive, inductive, or optical coupling. They are essential in systems where safety, noise immunity, or ground potential differences require galvanic isolation. The ADUM1250ARZ uses Analog Devices' proprietary iCoupler chip-scale transformer technology, which offers advantages over traditional optocouplers, including higher data rates, lower power consumption, and better reliability. Key features of the ADUM1250ARZ include nonlatching, bidirectional communication channels that are compatible with I2C interfaces, eliminating the need to split I2C signals into separate transmit and receive lines. It supports hot-swap capability, allowing insertion or removal of boards without powering down the system. The device also features open-drain outputs with 30mA current sink capability, ensuring compatibility with standard I2C bus specifications. Technically, the ADUM1250ARZ provides two bidirectional channels, supporting a complete isolated I2C interface. It has a maximum data rate of 1Mbps, which is sufficient for standard and fast-mode I2C. The isolation barrier is rated at 2500Vrms, providing robust protection against voltage transients. The device operates over a temperature range of -40°C to +125°C, making it suitable for industrial environments. Typical applications include isolated I2C buses in industrial automation, medical equipment, power management systems, and communication interfaces. The ADUM1250ARZ is also used in hot-swap applications where boards need to be replaced without interrupting system operation. When designing with the ADUM1250ARZ, it is important to ensure proper decoupling of the power supply pins and to follow the recommended layout guidelines to maintain isolation performance. The device is RoHS compliant and available in tape and reel packaging.

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ADUM1250ARZ-RL7

ADUM1250ARZ-RL7 - I2C Digital Isolator 2500Vrms | Analog Devices

The ADUM1250ARZ-RL7 is a hot-swappable, dual-channel digital isolator from Analog Devices, specifically designed for I2C interfaces. It provides two bidirectional channels, enabling a complete isolated I2C interface without the need to split signals into separate transmit and receive paths. The device is housed in an 8-pin SOIC package (0.154", 3.90mm width) and offers 2500Vrms isolation, a data rate of 1Mbps, and a common-mode transient immunity (CMTI) of 25kV/µs. Digital isolators are components that transfer digital signals across an isolation barrier, providing galvanic isolation to protect circuits from high voltages, ground loops, and noise. They are essential in industrial, medical, and communication systems where safety and signal integrity are paramount. The ADUM1250ARZ-RL7 belongs to the family of I2C isolators, which are specialized for bidirectional communication protocols like I2C. Key features include non-latching, bidirectional communication channels compatible with I2C interfaces, hot-swap capability, and a wide operating temperature range. The device supports data rates up to 1Mbps, making it suitable for standard and fast-mode I2C. Its high CMTI of 25kV/µs ensures reliable operation in noisy environments, and the 2500Vrms isolation rating provides robust protection. Technically, the ADUM1250ARZ-RL7 uses Analog Devices' iCoupler technology, which employs chip-scale transformers instead of optocouplers, offering higher reliability, lower power consumption, and better performance. The device operates from a 3.0V to 5.5V supply on both sides, and its hot-swap feature allows insertion or removal without disrupting the bus. Typical applications include isolated I2C buses in industrial automation, medical equipment, and power management systems. It is also used in battery management, motor control, and any system requiring galvanic isolation for I2C communication. When designing with this device, ensure proper decoupling on both supply pins and maintain adequate creepage distances on the PCB to meet isolation requirements. The hot-swap feature should be considered in system design to avoid bus contention during power-up.

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ADUM1251ARZ

ADUM1251ARZ - I2C Digital Isolator 2500Vrms | Analog Devices

The ADUM1251ARZ is a hot-swappable, bidirectional I2C digital isolator from Analog Devices, offering 2500Vrms isolation and a data rate of 1Mbps. It comes in an 8-pin SOIC package and operates over a supply range of 3V to 5.5V. This device integrates two channels with non-latching communication, simplifying I2C isolation without splitting signals into separate transmit and receive paths. Digital isolators are components that provide galvanic isolation between two circuits while allowing digital signals to pass. They are essential in systems where ground potential differences or noise could disrupt communication, such as in industrial automation, medical equipment, and power management. The ADUM1251ARZ specifically supports I2C, a widely used two-wire bus, making it a key building block in mixed-voltage and isolated systems. Key features include a common-mode transient immunity (CMTI) of 25kV/µs, ensuring reliable operation in noisy environments. The device supports hot-swap capability, allowing insertion or removal without powering down the bus. Its bidirectional channels are I2C-compatible on Side 2 and I2C-compatible on Side 1, with modified thresholds for compatibility. The propagation delay is 162ns, and the device is available in both tube and tape-and-reel packaging. Technically, the ADUM1251ARZ uses Analog Devices' iCoupler technology, which employs chip-scale transformers instead of optocouplers, offering higher reliability and lower power consumption. The device is specified over the industrial temperature range of -40°C to +125°C, making it suitable for harsh environments. It is RoHS compliant and lead-free. Typical applications include isolating I2C buses in industrial control systems, medical monitoring equipment, and power supply management. The device is also used in battery management systems and automotive electronics where isolation is required for safety and noise immunity. When designing with the ADUM1251ARZ, ensure proper decoupling with 0.1µF capacitors on both supply pins and maintain adequate PCB layout to minimize parasitic capacitance. The hot-swap feature requires careful consideration of bus capacitance and pull-up resistor values to avoid glitches during insertion.

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ADUM1251ARZ-RL7

ADUM1251ARZ-RL7 - Hot-Swappable Dual I2C Isolator | Analog Devices

The ADUM1251ARZ-RL7 is a hot-swappable, dual-channel digital isolator from Analog Devices, specifically designed for bidirectional I2C communication. It provides 2500Vrms isolation with a data rate of 1Mbps and a common-mode transient immunity (CMTI) of 25kV/µs. The device operates from a 3.0V to 5.5V supply and is available in an 8-lead SOIC package, making it suitable for space-constrained designs. Digital isolators are components that transfer digital signals across an isolation barrier, typically using capacitive or magnetic coupling, to protect sensitive circuitry from high voltages, noise, and ground potential differences. They replace optocouplers in many applications due to their superior speed, reliability, and integration. The ADUM1251ARZ-RL7 belongs to the iCoupler family, which uses chip-scale transformer technology for isolation. Key features include bidirectional I2C communication without the need for direction control, open-drain interfaces, 30mA current sink capability, and support for hot-swap applications. The device is qualified for automotive applications and operates over a temperature range of -40°C to +125°C. It is RoHS compliant and available in tape and reel packaging. The ADUM1251ARZ-RL7 uses Analog Devices' iCoupler technology, which integrates micro-transformers and high-speed CMOS circuits to achieve reliable isolation. This architecture provides low propagation delay and high CMTI, ensuring robust performance in noisy industrial environments. The device also features non-latching, bidirectional channels, simplifying I2C bus isolation. Typical applications include I2C bus isolation in industrial automation, power management systems, and automotive electronics. It is also used in medical devices and instrumentation where galvanic isolation is required for safety. The device's hot-swap capability allows insertion and removal of boards without disrupting the bus. When designing with the ADUM1251ARZ-RL7, ensure proper decoupling with 0.1µF capacitors on both supply pins. The Side 1 interface is I2C compatible, while Side 2 is fully I2C compliant, so verify the logic levels of connected devices. For high-speed operation, follow the layout guidelines in AN-1109 to minimize emissions.

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ADUM1300ARWZ

ADUM1300ARWZ - 3-Ch Digital Isolator 2500Vrms | Analog Devices

The ADUM1300ARWZ is a triple-channel digital isolator from Analog Devices, based on the proprietary iCoupler® technology. It provides 2500Vrms isolation with three unidirectional channels, supporting data rates up to 1Mbps and a common-mode transient immunity (CMTI) of 25kV/µs. The device is housed in a 16-lead SOIC-W (0.295" width) package, suitable for surface-mount assembly. Digital isolators are components that transmit digital signals across an isolation barrier, providing galvanic isolation to protect circuits and users from high voltages, ground loops, and noise. They replace optocouplers in many applications, offering higher speed, better reliability, and lower power consumption. The ADUM1300ARWZ is part of the iCoupler family, which uses monolithic transformer technology to achieve superior performance compared to traditional optocouplers. Key features include three independent isolation channels, a wide supply voltage range of 3.0V to 5.5V, and a maximum data rate of 1Mbps. The device offers 25kV/µs CMTI, ensuring reliable operation in noisy industrial environments. It also features low power consumption, with typical quiescent current of 1.3mA per channel, and operates over a temperature range of -40°C to +105°C. The ADUM1300ARWZ uses a magnetic coupling architecture, where data is transmitted across a thin isolation barrier using integrated transformers. This approach eliminates the need for LEDs and photodiodes, improving performance and reliability. The device includes a refresh mechanism to maintain output states even when the input is static, ensuring correct operation in all conditions. Typical applications include industrial fieldbus communication, motor control, power inverters, and isolated SPI/UART interfaces. The high CMTI and 2500Vrms isolation make it suitable for harsh environments where noise and voltage transients are common. When designing with this device, ensure proper PCB layout with adequate creepage and clearance distances for the isolation rating. Place decoupling capacitors close to the VDD pins and follow the recommended layout guidelines in the datasheet to achieve optimal performance.

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ADUM1300ARWZ-RL7

ADUM1300ARWZ-RL7 - 3-Ch 2500Vrms Digital Isolator | Analog Devices

The ADUM1300ARWZ-RL7 is a triple-channel digital isolator from Analog Devices, based on the proprietary iCoupler technology. It provides three independent isolation channels with a data rate of 1 Mbps and a withstand voltage of 2500 Vrms. The device operates with supply voltages from 2.7 V to 5.5 V on both sides, enabling voltage translation across the isolation barrier. It is housed in a 16-lead SOIC-W (wide body) package, suitable for surface-mount assembly. 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 ADUM1300 uses monolithic transformers and high-speed CMOS, offering superior performance compared to traditional optocouplers, such as higher data rates, lower power consumption, and better reliability. Key features include a common-mode transient immunity (CMTI) of 25 kV/µs, ensuring reliable operation in noisy environments. The device supports a wide operating temperature range of -40°C to +105°C, making it suitable for industrial applications. The iCoupler technology eliminates the need for LEDs and photodiodes, simplifying design and improving long-term stability. The ADUM1300ARWZ-RL7 is designed for general-purpose isolation in applications such as industrial fieldbus communication, isolated SPI/UART interfaces, and motor control. Its 1 Mbps data rate is adequate for many control and monitoring signals, while the 2500 Vrms isolation rating provides robust protection. The wide supply range allows interfacing between different voltage domains, such as 3.3 V and 5 V systems. When designing with this isolator, ensure proper PCB layout with adequate creepage and clearance distances to maintain the isolation rating. Bypass capacitors should be placed close to the VDD pins on both sides. The device is RoHS compliant and lead-free, meeting environmental standards. Typical applications include isolated data acquisition, power inverter gate drive isolation, and medical equipment where patient safety requires galvanic isolation. The ADUM1300ARWZ-RL7 is a reliable choice for engineers seeking a compact, high-performance digital isolator.

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ADUM1301ARW-RL

ADUM1301ARW-RL - Triple-Channel Digital Isolator, 1Mbps, 16-SOIC | Analog Devices

The Analog Devices ADUM1301ARW-RL is a triple-channel digital isolator based on the proprietary iCoupler architecture, providing 2500 Vrms isolation across three independent data channels in a 16-pin SOIC wide-body (RW) package. The grade A speed grade supports data rates up to 1 Mbps with a typical propagation delay of 100 ns and operates from a 2.7 V to 5.5 V supply on either side of the isolation barrier, enabling voltage translation functionality across the barrier. A digital isolator is a semiconductor device that transfers logic-level signals between two electrically separated circuits, replacing legacy optocouplers. Isolator functions are essential isolation domains in any system that requires safety isolation between low-voltage control logic and hazardous high-voltage domains, while still allowing high-speed data exchange. The isolator category belongs to the broader signal-conditioning and isolation IC family, sitting within the interface IC hierarchy. Key features include 25 kV/µs common-mode transient immunity (CMTI), low power operation (1.2 mA per channel at 0-2 Mbps, 5 V supply), 32 mA per channel maximum at 90 Mbps operation, automotive qualification per the datasheet, and a wide-body 16-SOIC package with 7.5 mm body width to support reinforced insulation creepage. The device is qualified for automotive applications and offers default low outputs. The ADUM1301ARW-RL uses monolithic air-core transformer technology combined with high-speed CMOS, avoiding the LEDs and photodiodes used in optocouplers. This eliminates the design difficulties associated with optocouplers (current-transfer-ratio degradation, slow switching, and LED aging) while providing superior common-mode transient immunity and stable timing across temperature. Typical applications include isolated gate logic in motor drives and industrial inverters, isolated data acquisition in PLC systems and process control, isolated SPI / RS-232 / RS-485 interfaces, isolated logic level translation between microcontrollers and power stages, and isolated control signals in medical and energy systems that require reinforced insulation per IEC 60747-17. Design consideration: the wide-body SOIC-16 (0.295" body width) provides the required creepage distance for reinforced insulation at 2500 Vrms. Ensure that no copper traces or vias run beneath the package body between the two isolation domains, and place decoupling capacitors (0.1 µF ceramic) as close as possible to each VDD pin. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone ADuM1300/ADuM1301 datasheet.

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ADUM1301ARWZ

ADUM1301ARWZ - 3-Ch Digital Isolator 2500Vrms | Analog Devices

The Analog Devices ADUM1301ARWZ is a triple-channel digital isolator rated at 2500Vrms with a 1 Mbps data rate and 25 kV/µs common-mode transient immunity (CMTI), housed in a 16-pin SOIC-W (0.295 inch / 7.50 mm width) wide-body package. Built on Analog Devices' proprietary iCoupler technology, the device integrates high-speed CMOS with monolithic air-core transformers to transmit digital signals across an isolation barrier without optocouplers, eliminating LED aging and photodiode degradation concerns that plague legacy optoisolators. A digital isolator is a semiconductor device that transfers digital logic states across a galvanic isolation barrier using magnetic, capacitive, or optical coupling rather than a direct electrical connection. Digital isolators sit hierarchically as a sub-category of isolators within the signal conditioning family, which itself belongs to interface ICs and ultimately power management and protection ICs in semiconductor taxonomy. They protect low-voltage microcontrollers and sensitive logic from hazardous high voltages, ground potential differences, and fast transient events on industrial buses, motor drives, and medical equipment. Compared to optocouplers, iCoupler-based parts deliver tighter timing skew, higher CMTI, lower power, and 10x longer operational life. Key features include a 2.7 V to 5.5 V supply range on both sides of the barrier enabling voltage translation, 100 ns maximum propagation delay (tpLH/tpHL), 40 ns pulse-width distortion, and 2.5 ns typical rise/fall time. The wide-body SOIC-16 package provides the creepage and clearance required to achieve the 2500Vrms working voltage rating per UL and VDE reinforced-insulation standards. The ADUM1301ARWZ uses three independent transformer channels, each integrating a CMOS encoder/decoder pair, an RF oscillator, and a miniature transformer coil fabricated on-chip. Differential encoding and refresh-on-demand data transmission reject common-mode noise and ensure deterministic propagation delay across temperature. Typical applications include isolated SPI/UART interfaces for industrial PLCs, isolated gate-drive signaling for IGBT/MOSFET half-bridges, isolated ADC front-ends in motor control, and medical device patient-isolation barriers. The 1 Mbps rating covers most asynchronous serial links and slow synchronous buses. When designing with this device, place 0.1 µF decoupling capacitors on both VDDA/VDDB supply pins within 5 mm of the package, and route the two ground planes on opposite sides of the barrier maintaining at least 7.5 mm creepage per the wide-body SOIC land pattern. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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ADUM1301ARWZ-RL

ADUM1301ARWZ-RL - 3-Ch 1Mbps Digital Isolator SOIC-16 | ADI

The Analog Devices ADUM1301ARWZ-RL is a triple-channel digital isolator built on Analog Devices iCoupler technology, providing 2500 Vrms isolation across three independent data channels in a 16-pin wide-body SOIC (RW-16) package. It supports a maximum guaranteed data rate of 1 Mbps (logic-side A: ARLO default high, output low) and a common-mode transient immunity (CMTI) of 25 kV/µs minimum, making it suitable for industrial fieldbus, motor drive, and isolated SPI/UART links. The -RL suffix denotes the 13-inch reel packaging option. What is a digital isolator? A digital isolator is a semiconductor device that transfers logic signals across an galvanically isolated barrier using chip-scale transformers (iCoupler), capacitive coupling, or GMR/Optocoupler methods, replacing legacy optocouplers with integrated CMOS drivers and receivers. Digital isolators belong to the broader hierarchy: digital isolator -> isolator -> interface IC -> signal chain IC -> semiconductor. Compared to optocouplers, iCoupler devices eliminate LED aging, slow propagation, and CTR degradation, while integrating multiple isolation channels and voltage translation in a single small-outline IC. Key features of the ADUM1301ARWZ-RL include a wide supply operation from 2.7 V to 5.5 V on either side, low default output low-high logic, and high channel-to-channel matching. The three-channel architecture is configured as 2 input/1 output or 1 input/2 output in the same RW-16 footprint, selectable via part-number suffix (ARW/ARWZ = 2/1 channels direction; BRW/BRWZ = 1/2 channels direction). The wide-body SOIC-16 footprint ensures 8 mm minimum creepage/clearance for reinforced insulation applications. The iCoupler architecture monolithically integrates planar transformers and CMOS logic on a single die, achieving propagation delay around 32-100 ns and pulse-width distortion below 40 ns. Channel-to-channel matching is typically within 5 ns, enabling reliable multi-channel timing-critical applications like isolated SPI between a microcontroller and a gate driver. The device also provides 5 kV human-body-model ESD protection on all pins. Typical applications include isolated SPI between a low-voltage MCU and a high-side gate driver in motor drives and solar inverters, isolated RS-485/RS-232 transceivers for industrial fieldbus, isolated DAC/ADC signal transmission, and medical equipment patient connections. The wide-body SOIC and 2500 Vrms rating also suit solar charge controllers and battery management systems. The -RL reel suffix is preferred for high-volume automated SMT assembly. When designing with this device, place 0.1 µF bypass capacitors close to each VDD pin and follow PCB layout guidelines in the manufacturer datasheet to maintain creepage and clearance for reinforced insulation. The wide-body SOIC-16 footprint matches industry-standard optocoupler pinouts for drop-in replacement. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical PCB layout guidance not found in the standalone datasheet, optimized for engineers designing isolated interfaces.

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ADUM1301ARWZ-RL7

ADUM1301ARWZ-RL7 - 3-Ch 2.5kV Digital Isolator | Analog Devices

The ADUM1301ARWZ-RL7 is a triple-channel digital isolator from Analog Devices, based on the proprietary iCoupler technology. It provides three independent isolation channels with a 2.5 kVrms isolation rating, supporting data rates up to 1 Mbps and a common-mode transient immunity (CMTI) of 25 kV/µs. The device operates with supply voltages from 2.7 V to 5.5 V on both sides, enabling voltage translation across the isolation barrier. It is housed in a 16-lead SOIC-W (0.295", 7.50 mm width) package, suitable for surface-mount assembly. A digital isolator is a component that transfers digital signals across an isolation barrier without a direct electrical connection, using capacitive, inductive, or optical coupling. It provides galvanic isolation to protect sensitive circuitry from high voltages, ground loops, and noise, while maintaining signal integrity. Digital isolators are essential in industrial automation, medical devices, and communication systems where safety and noise immunity are critical. They replace optocouplers in many applications, offering higher speed, better reliability, and lower power consumption. Key features of the ADUM1301ARWZ-RL7 include its 2.5 kVrms isolation voltage, 1 Mbps data rate, and 25 kV/µs CMTI, which ensures reliable operation in noisy environments. The device supports a wide supply range of 2.7 V to 5.5 V, making it compatible with both 3.3 V and 5 V logic systems. It also features a default output state that is high when the input is unpowered, ensuring fail-safe operation. The iCoupler technology uses monolithic transformers, eliminating the LED and photodiode aging issues found in optocouplers. Technically, the ADUM1301ARWZ-RL7 integrates high-speed CMOS and transformer isolation in a single package, providing superior performance compared to optocouplers. The device has a propagation delay of approximately 100 ns and a pulse width distortion of less than 10 ns, ensuring accurate signal transmission. It also offers a wide operating temperature range of -40°C to +105°C, suitable for industrial environments. The isolation barrier is rated for 2.5 kVrms per UL 1577, and the device is RoHS compliant. Typical applications include industrial fieldbus communication, isolated SPI/UART interfaces, motor control, and power supply isolation. The ADUM1301ARWZ-RL7 is ideal for systems requiring reliable signal isolation with minimal power consumption. Its high CMTI makes it suitable for applications with fast-switching power stages, such as motor drives and inverters. When designing with this device, ensure proper PCB layout to maintain isolation spacing and minimize parasitic capacitance. Place decoupling capacitors close to the VDD pins on both sides, and follow the manufacturer's guidelines for creepage and clearance distances to meet safety standards.

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ADUM1310ARWZ

ADUM1310ARWZ - 3-Ch Digital Isolator 3750Vrms | Analog Devices

The ADUM1310ARWZ is a 3-channel digital isolator from Analog Devices, based on iCoupler technology that combines high-speed CMOS and monolithic air core transformer technology. It provides outstanding performance superior to optocoupler alternatives by eliminating LEDs and photodiodes, thereby removing design constraints related to nonlinear transfer functions, temperature drift, and aging. This device supports data rates up to 1 Mbps and offers a common-mode transient immunity (CMTI) of 25 kV/µs, ensuring reliable operation in noisy industrial environments. The ADUM1310ARWZ is housed in a 16-lead SOIC-W (wide body, 7.50 mm width) package, operating 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 of high-voltage and low-voltage domains. The ADUM1310ARWZ belongs to the category of digital isolators, which are part of the broader interface IC family, and are used in industrial automation, motor control, and isolated communication interfaces. Key features include low power operation: at 5 V supply, it consumes 1.7 mA per channel maximum at 0-2 Mbps and 4.0 mA per channel at 2-10 Mbps; at 3 V, it consumes 1.0 mA per channel at 0-2 Mbps and 2.1 mA at 2-10 Mbps. The device supports a supply voltage range of 2.7 V to 5.5 V on both sides, making it versatile for mixed-voltage systems. It also features a patented refresh mechanism that ensures DC correctness in the absence of input logic transitions and during power-up/power-down conditions, a significant advantage over optocouplers. Technically, the ADUM1310ARWZ uses iCoupler technology with monolithic air core transformers to transmit data across the isolation barrier. This approach provides precise timing, low propagation delay, and high reliability. The device has a propagation delay of approximately 100 ns (as per Jotrin data), and it supports a default output state selection via a control pin, allowing designers to predetermine the output state when the input power (VDD1) is absent. Typical applications include industrial fieldbus isolation, isolated SPI/UART interfaces, motor drive signal isolation, and isolated power supply feedback. The high CMTI and low power consumption make it suitable for harsh industrial environments where noise immunity is critical. When designing with this device, ensure proper decoupling capacitors on both supply pins (VDD1 and VDD2) and follow the layout guidelines in the datasheet to maintain isolation performance. The default output state pin should be configured according to system safety requirements.

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ADUM1310ARWZ-RL7

ADUM1310ARWZ-RL7 - 3-Ch Digital Isolator 3750Vrms | Analog Devices

The ADUM1310ARWZ-RL7 is a 3-channel digital isolator from Analog Devices, based on iCoupler technology. It provides galvanic isolation up to 3750Vrms, with a data rate of 1Mbps and common-mode transient immunity (CMTI) of 25kV/µs. The device operates from a supply voltage of 2.7V to 5.5V on both sides, enabling voltage translation across the isolation barrier. It is housed in a 16-lead SOIC-W (0.295", 7.50mm width) package, suitable for surface-mount assembly. A digital isolator is a component that transfers digital signals across an isolation barrier without a direct electrical connection, using capacitive, inductive, or optical coupling. It is essential in systems where safety, noise immunity, or ground potential differences require galvanic isolation. Digital isolators are part of the broader category of isolation components, which also include optocouplers and isolated amplifiers. They are critical in industrial automation, medical equipment, and communication interfaces. Key features of the ADUM1310ARWZ-RL7 include low power operation: 1.7mA per channel maximum at 5V operation (0-2Mbps) and 4.0mA per channel at 2-10Mbps; at 3V operation, 1.0mA per channel (0-2Mbps) and 2.1mA per channel (2-10Mbps). The device supports three independent isolation channels with a default channel configuration of 2/1 (two forward, one reverse). It also features a refresh mechanism to maintain output states in the absence of input transitions, ensuring reliable operation. Technically, the ADUM1310 uses monolithic air core transformers and high-speed CMOS to achieve superior performance compared to optocouplers, including higher data rates, lower power consumption, and better timing accuracy. The iCoupler technology eliminates the LED and photodiode aging issues, providing longer operational life and more stable performance over temperature. The device is specified for operation from -40°C to +105°C, making it suitable for industrial environments. Typical applications include SPI interfaces, RS-232/RS-485 transceivers, isolated data acquisition systems, and general-purpose signal isolation in industrial control, medical monitoring, and power conversion systems. The high CMTI of 25kV/µs ensures reliable operation in noisy environments with fast-switching power stages. When designing with this device, ensure proper PCB layout with adequate creepage and clearance distances for the required isolation rating. Place decoupling capacitors close to the VDD pins on both sides, and consider the input/output logic levels for voltage translation. The device is RoHS compliant and lead-free.

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ADUM1311ARWZ

ADUM1311ARWZ - 3-Ch Digital Isolator 1Mbps | Analog Devices

The ADUM1311ARWZ is a 3-channel digital isolator from Analog Devices, based on iCoupler technology. It combines high-speed CMOS and monolithic air core transformer technology to provide isolation superior to optocouplers. This device supports data rates up to 1 Mbps, with a withstand voltage of 3750 Vrms and common-mode transient immunity of 25 kV/µs. It is available in a 16-pin SOIC-W package (0.295" width) and operates over a wide temperature range. Digital isolators are components that transmit digital signals across an isolation barrier, preventing DC current flow while allowing AC signal transfer. They are essential in systems requiring galvanic isolation for safety, noise immunity, or ground potential differences. The ADUM1311ARWZ uses iCoupler technology, which employs micro-transformers to couple signals, offering advantages over optocouplers such as higher speed, lower power, and better reliability. Key features include low power operation: 1.7 mA per channel max at 0-2 Mbps and 4.0 mA per channel max at 2-10 Mbps for 5V operation; for 3V operation, 1.0 mA per channel max at 0-2 Mbps. The device has a patented refresh feature that ensures DC correctness in the absence of input transitions and during power-up/power-down. It also allows the user to predetermine the default output state in the absence of input VDD1 power via a control pin. The ADUM1311ARWZ is designed for general-purpose isolation in industrial, medical, and communication systems. Its high CMTI and low power make it suitable for isolating SPI, UART, and other serial interfaces. The 16-pin SOIC-W package is widely used and easy to integrate. Typical applications include isolated data acquisition, motor control, power inverters, and isolated sensor interfaces. The device's robust isolation barrier protects sensitive electronics from high-voltage transients and ground loops. When designing with this device, ensure proper decoupling on both power supplies (VDD1 and VDD2) and consider the propagation delay for timing-sensitive applications. The default output state control pin should be set according to system safety requirements.

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