{"product_id":"cjmcu-1201-adum1201-magnetic-isolator-board-module-spi-soic8","title":"CJMCU-1201 ADUM1201 Magnetic Isolator Board Module SPI SOIC-8","description":"\u003ch2\u003eCJMCU-1201 ADUM1201ARZ Magnetic Isolator Board Module – SPI Interface\u003c\/h2\u003e\n\u003cp\u003eUpgrade your electronics projects with the \u003cstrong\u003eCJMCU-1201 ADUM1201 Magnetic Isolator Board Module\u003c\/strong\u003e — a compact, high-performance digital isolator designed to replace traditional optocouplers. Built around the \u003cstrong\u003eADUM1201ARZ\u003c\/strong\u003e chip in an SOIC-8 SMD package, this module delivers fast, reliable signal isolation for SPI interfaces, microcontroller communication lines, and computer-based applications.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplaces Optocouplers:\u003c\/strong\u003e Magnetic isolation technology offers superior speed, lower power consumption, and greater reliability compared to traditional optocoupler designs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Supply Voltage Range:\u003c\/strong\u003e Operates from 2.7V to 5.5V, making it compatible with a broad range of microcontrollers and logic systems including 3.3V and 5V platforms.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSPI Interface Compatible:\u003c\/strong\u003e Ideal for use in SPI communication lines, signal isolation barriers, and digital data transmission circuits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSOIC-8 SMD Package (CJMCU-1201 Breakout Board):\u003c\/strong\u003e Mounted on a convenient breakout board for easy prototyping and integration into your project.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature:\u003c\/strong\u003e Rated for -40°C to +85°C, suitable for both indoor and outdoor electronics applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo High-Concern Chemicals:\u003c\/strong\u003e Clean, safe construction — no hazardous substances of concern.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNew Condition:\u003c\/strong\u003e Every module ships brand new, tested, and ready for integration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChip:\u003c\/strong\u003e ADUM1201 \/ ADUM1201ARZ\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e SOIC-8 (SMD breakout board)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 2.7V – 5.5V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -40°C to +85°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e SPI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Computer \/ Microcontroller \/ Digital Signal Isolation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThis isolator module is perfect for electronics hobbyists, embedded systems engineers, and DIY makers who need clean signal isolation between logic domains. Whether you're building Arduino or Raspberry Pi projects, industrial control systems, or noise-sensitive communication circuits, the ADUM1201 isolator board is a dependable and easy-to-use solution.\u003c\/p\u003e\n\n\u003cp\u003eLooking for other electronics and DIY tools? Check out our \u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e or browse our \u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge – DIY Tool\u003c\/a\u003e for more workshop essentials.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does the CJMCU-1201 ADUM1201 magnetic isolator board do?\u003c\/h4\u003e\n\u003cp\u003eA: The CJMCU-1201 ADUM1201 isolator board uses magnetic (inductive) isolation technology to electrically separate two sections of a circuit while still allowing digital signals to pass between them. It is commonly used to protect microcontrollers and sensitive components from voltage spikes, ground loops, and noise on SPI communication lines — effectively replacing older optocoupler-based isolation solutions with a faster, lower-power alternative.\u003c\/p\u003e\n\u003ch4\u003eQ: What voltage levels is the ADUM1201ARZ module compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: The module supports a supply voltage range of 2.7V to 5.5V, making it fully compatible with both 3.3V systems (such as most ARM-based microcontrollers and ESP32\/ESP8266 boards) and 5V systems (such as standard Arduino boards). This wide range makes it highly versatile for mixed-voltage designs.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this module be used as a direct optocoupler replacement?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — the ADUM1201ARZ is specifically designed to replace traditional optocouplers in digital signal isolation applications. Compared to optocouplers, it offers higher data rates, lower propagation delay, lower power consumption, and does not degrade in performance over time due to LED aging. It is an excellent drop-in upgrade for SPI interface isolation in existing designs.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this a fully assembled breakout board or just the IC chip?\u003c\/h4\u003e\n\u003cp\u003eA: This is a fully assembled CJMCU-1201 breakout board with the ADUM1201ARZ chip already mounted in its SOIC-8 SMD package. The breakout board design makes it easy to use in prototyping environments such as breadboards or custom PCBs without the need for specialized SMD soldering equipment.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does the CJMCU-1201 ADUM1201 magnetic isolator board do?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The CJMCU-1201 ADUM1201 isolator board uses magnetic (inductive) isolation technology to electrically separate two sections of a circuit while still allowing digital signals to pass between them. It is commonly used to protect microcontrollers and sensitive components from voltage spikes, ground loops, and noise on SPI communication lines — effectively replacing older optocoupler-based isolation solutions with a faster, lower-power alternative.\"}}, {\"@type\": \"Question\", \"name\": \"What voltage levels is the ADUM1201ARZ module compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The module supports a supply voltage range of 2.7V to 5.5V, making it fully compatible with both 3.3V systems (such as most ARM-based microcontrollers and ESP32\/ESP8266 boards) and 5V systems (such as standard Arduino boards). 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The breakout board design makes it easy to use in prototyping environments such as breadboards or custom PCBs without the need for specialized SMD soldering equipment.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"CJMCU-1201 ADUM1201 Magnetic Isolator Board Module SPI SOIC-8\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/cjmcu-1201-adum1201-magnetic-isolator-board-module-spi-soic8\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"ADUM1201 mini","offer_id":44167246741591,"sku":"14:365458#ADUM1201 mini","price":25.19,"currency_code":"USD","in_stock":true},{"title":"ADUM1201ARZ","offer_id":44167246774359,"sku":"14:1254#ADUM1201ARZ","price":11.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/6008\/7383\/files\/Sa254e2c26aa04ca2afe1f61361b9c829Y.webp?v=1786760072","url":"https:\/\/axlcustomersupport.com\/products\/cjmcu-1201-adum1201-magnetic-isolator-board-module-spi-soic8","provider":"Axl","version":"1.0","type":"link"}