ISO7021

www.ti.com ISO7021 SLLSFA0B – JULY 2019 – REVISED AUGISUOST72002210 SLLSFA0B – JULY 2019 – REVISED AUGUST 2020 ISO7021 Ultra-Low Power Two-Channel Digital Isolator 1 Features Ultra-low power consumption – 4.8 μA per channel quiescent current (3.3 V) – 15 μA per channel at 100 kbps (3.3 V) – 120 μA per channel at 1 Mbps (3.3 V) Robust isolation barrier – >100-year projected lifetime – 3000 VRMS isolation rating – ±100 kV/μs typical CMTI Wide supply range: 1.71 V to 1.89 V and 2.25 V to 5.5 V Wide temperature range: –55°C to +125°C Small 8-SOIC package (8-D) Signaling rate: Up to 4 Mbps Default output High (ISO7021) and Low (ISO7021F) options Robust electromagnetic compatibility (EMC) – System-level ESD, EFT, and surge immunity – ±8 kV IEC 61000-4-2 contact discharge protection across isolation barrier – Very low emissions Safety-related certifications (planned): – DIN V VDE 0884-11:2017-01 – UL 1577 Component Recognition Program – IEC 60950-1, IEC 62368-1, IEC 61010-1, IEC60601-1 and GB 4943.1-2011 certifications – IECEx (IEC 60079-0 & IEC 60079-11) and ATEX (EN IEC60079-0 & EN 60079-11) 2 Applications 4-mA to 20-mA loop powered field transmitters Factory automation and process automation Low-power GPIO, UART isolation 3 Description The ISO7021 device is an ultra-low power, multichannel digital isolator that can be used to isolate CMOS or LVCMOS digital I/Os. Each isolation channel has a logic input and output buffer separated by a double capacitiv...