The ADUM141E0BRWZ is a quad-channel digital isolator from Analog Devices using iCoupler technology with 5000 Vrms isolation rating. It provides four independent isolation channels (3\/1 direction configuration) with data rates up to 150 Mbps and propagation delay of 13 ns typical, in a 16-pin SOIC-W package.<\/p>\n
Product Overview The ADUM141E0BRWZ is a quad-channel digital isolator from Analog Devices using iCoupler technology with 5000 Vrms isolation rating. It provides four independent isolation channels (3\/1 direction configuration) with data rates up to 150 Mbps and propagation delay of 13 ns typical, in a 16-pin SOIC-W package. Key Specifications Isolation Rating: 5000 Vrms (1 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,20],"tags":[],"chip_brand":[165],"class_list":["post-6491","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-interface-ics","chip_brand-adi"],"acf":{"brief_explanation":"Quad digital isolator, iCoupler, 5000Vrms, 150Mbps, 13ns prop delay, 3\/1 ch config, SOIC-16W","date_code":"","package_case":"SOIC-16W (10.3 x 7.5 mm)","in_stock":7600,"datasheet":"https:\/\/www.analog.com\/en\/products\/adum141e0.html","price":"$4.25","product_introduction":"The ADUM141E0BRWZ from Analog Devices is a quad-channel digital isolator based on the proprietary iCoupler technology, which uses chip-scale transformer coils embedded in the dielectric isolation layer to transfer signals across the isolation barrier. Unlike traditional optocouplers that use light and LEDs, iCoupler devices provide better performance with lower power consumption, higher data rates, and more stable timing characteristics over temperature and lifetime. The device provides 5000 Vrms isolation for one minute, meeting the requirements of medical and industrial safety standards. The 3\/1 channel configuration (3 channels in one direction, 1 in the reverse) is ideal for SPI bus isolation where SCLK, MOSI, and CS go from master to slave while MISO returns from slave to master.","working_principle":"The ADUM141E0BRWZ uses Analog Devices' iCoupler technology where each signal channel consists of a transmitter coil and a receiver coil separated by a polyimide dielectric layer. The input signal modulates the current through the transmitter coil, generating a magnetic field that is coupled to the receiver coil across the isolation barrier. The received signal is then decoded and restored to the original logic level. Unlike optocouplers, the magnetic coupling mechanism is not subject to LED degradation or current transfer ratio (CTR) aging, providing consistent performance over the device lifetime. The on-chip encoding circuit ensures DC correctness by periodically refreshing the coupling signal, even for static input states. The high common-mode transient immunity (>75 kV\/\u00b5s) prevents false switching in noisy industrial environments.","pin_description":"
| Pin<\/th> | Name<\/th> | Function<\/th><\/tr> | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1<\/td> | VDD1<\/td> | Side 1 power supply (2.375-5.5V)<\/td><\/tr> | ||||||||||||
| 2<\/td> | VIA<\/td> | Input A (isolator channel 1, forward)<\/td><\/tr> | ||||||||||||
| 3<\/td> | VIB<\/td> | Input B (isolator channel 2, forward)<\/td><\/tr> | ||||||||||||
| 4<\/td> | VIC<\/td> | Input C (isolator channel 3, forward)<\/td><\/tr> | ||||||||||||
| 5<\/td> | VO4<\/td> | Output 4 (isolator channel 4, reverse output on side 1)<\/td><\/tr> | ||||||||||||
| 6<\/td> | VI4<\/td> | Input 4 (isolator channel 4, reverse input on side 2)<\/td><\/tr> | ||||||||||||
| 7<\/td> | GND1<\/td> | Side 1 ground<\/td><\/tr> | ||||||||||||
| 8<\/td> | VE1<\/td> | Side 1 enable (active high, pull up for normal operation)<\/td><\/tr> | ||||||||||||
| 9<\/td> | VE2<\/td> | Side 2 enable (active high, pull up for normal operation)<\/td><\/tr> | ||||||||||||
| 10<\/td> | GND2<\/td> | Side 2 ground<\/td><\/tr> | ||||||||||||
| 11<\/td> | VO4<\/td> | Output 4 on side 2 (reverse channel output)<\/td><\/tr> | ||||||||||||
| 12<\/td> | VOC<\/td> | Output C (isolator channel 3 output on side 2)<\/td><\/tr> | ||||||||||||
| 13<\/td> | VOB<\/td> | Output B (isolator channel 2 output on side 2)<\/td><\/tr> | ||||||||||||
| 14<\/td> | VOA<\/td> | Output A (isolator channel 1 output on side 2)<\/td><\/tr> | ||||||||||||
| 15<\/td> | GND2<\/td> | Side 2 ground<\/td><\/tr> | ||||||||||||
| 16<\/td> | VDD2<\/td> | Side 2 power supply (2.375-5.5V)<\/td><\/tr><\/table>","application_scenarios":"The ADUM141E0BRWZ is the ideal choice for SPI bus isolation in industrial motor drives, where the 3\/1 channel direction matches the standard SPI signal flow (SCLK, MOSI, CS forward; MISO reverse). In medical equipment, the 5000 Vrms isolation rating meets IEC 60601 patient safety requirements for isolation between patient-connected circuits and mains-powered electronics. For power supply designs, it isolates feedback signals in isolated DC-DC converters with minimal propagation delay (13 ns). The high common-mode transient immunity makes it suitable for noisy environments such as inverter-based motor drives where high dv\/dt switching can induce noise across the isolation barrier.","alternative_models":"
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