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ISOS141-SEP

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Radiation-tolerant, quad-channel 3/1 digital isolator

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Data sheet

ISOS141-SEP

ACTIVE
Data sheet Order now

Product details

Rating Space Integrated isolated power No Number of channels 4 Forward/reverse channels 3 forward / 1 reverse Data rate (max) (Mbps) 100 Protocols GPIO, PWM, SPI, UART SPI frequency (max) (MHz) 15.5 Propagation delay time (typ) (ns) 10.7 Propagation delay time (max) (ns) 16 Channel-to-channel output skew (max) (ns) 4 Certifications DIN Isolation rating Basic Withstand isolation voltage (VISO) (Vrms) 3000 Surge isolation voltage (VIOSM) (kVPK) 5.2 CMTI (min) (kV/µs) 85 Default output High, Low Creepage (min) (mm) 3.7 Current consumption per channel (DC) (typ) (mA) 0.88 Current consumption per channel (1 Mbps) (typ) (mA) 1.48 Operating temperature range (°C) -55 to 125 Transient isolation voltage (VIOTM) (VPK) 4242 Clearance (min) (mm) 3.7
Rating Space Integrated isolated power No Number of channels 4 Forward/reverse channels 3 forward / 1 reverse Data rate (max) (Mbps) 100 Protocols GPIO, PWM, SPI, UART SPI frequency (max) (MHz) 15.5 Propagation delay time (typ) (ns) 10.7 Propagation delay time (max) (ns) 16 Channel-to-channel output skew (max) (ns) 4 Certifications DIN Isolation rating Basic Withstand isolation voltage (VISO) (Vrms) 3000 Surge isolation voltage (VIOSM) (kVPK) 5.2 CMTI (min) (kV/µs) 85 Default output High, Low Creepage (min) (mm) 3.7 Current consumption per channel (DC) (typ) (mA) 0.88 Current consumption per channel (1 Mbps) (typ) (mA) 1.48 Operating temperature range (°C) -55 to 125 Transient isolation voltage (VIOTM) (VPK) 4242 Clearance (min) (mm) 3.7
SSOP (DBQ) 16 29.4 mm² (4.9 mm × 6 mm)
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Technical documentation

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* Data sheet ISOS141-SEP Radiation Tolerant High-Speed Quad-Channel Digital Isolator datasheet (Rev. A) PDF | HTML Aug 18, 2026
* Radiation & reliability report ISOS141-SEP Production Flow and Reliability Report (Rev. A) PDF | HTML Jun 5, 2025
* Radiation & reliability report ISOS141-SEP Neutron Displacement Damage Characterization Mar 18, 2021
* Radiation & reliability report ISOS141-SEP Quad-Channel Digital Isolator TID Report Mar 17, 2021
* Radiation & reliability report ISOS141-SEP Single-Event Latch-Up (SEL) Radiation Report Mar 17, 2021
Certificate VDE Certificate for Basic Isolation for DIN EN IEC 60747-17 (Rev. AA) Jun 11, 2026
Certificate UL Certificate of Compliance File E181974 Vol 4 Sec 6 (Rev. S) May 7, 2026
Selection guide TI Space Products (Rev. L) Mar 27, 2026
Application brief Precision High-Voltage Current Sensing Using Zener-Shifted Floating Ground and Isolated Digital Interface PDF | HTML Dec 10, 2025
White paper Designing Space Systems With Integrated FDIR: A Guide to TI's Space-Grade Components PDF | HTML Jul 12, 2025
Technical article How Space Enhanced Products Address Challenges in low Earth orbit Applications (Rev. A) PDF | HTML Dec 18, 2023
Application brief How to Isolate Signals with Digital Isolators in Emerging LEO Satellite Apps (Rev. A) PDF | HTML Jul 6, 2022
Technical article How space-grade digital isolation meets high radiation and immunity requirements i PDF | HTML Oct 14, 2021
Application brief Space-Grade, 30-krad, Isolated CAN Serial Transceiver Circuit PDF | HTML Jun 1, 2021
Application brief Space-Grade, 30-krad, Isolated RS-422 Serial Transceiver Circuit PDF | HTML Jun 1, 2021
Application brief Space-Grade, 30 krad, Isolated I2C Circuit PDF | HTML Jun 1, 2021
Technical article How to select the right digital isolator for your design PDF | HTML Oct 21, 2020
Technical article Top 9 design questions about digital isolators PDF | HTML Feb 4, 2019

Design & development

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Evaluation board

DIGI-ISO-EVM — Universal digital isolator evaluation module

DIGI-ISO-EVM is an evaluation module (EVM) used to evaluate any of the TI single-channel, dual-channel, triple-channel, quad-channel or six-channel digital isolator devices in five different packages - 8-pin narrow-body SOIC (D), 8-pin wide-body SOIC (DWV), 16-pin wide-body SOIC (DW), 16-pin ultra- (...)

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Simulation model

ISOS141-SEP IBIS Model

SLLM498.ZIP (63 KB) - IBIS model
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SSOP (DBQ) 16 Ultra Librarian
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