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ISO7842

ISO7842 Series

Highest isolation rating, quad-channel, 2/2, reinforced digital isolator

Manufacturer: Texas Instruments

Catalog

Highest isolation rating, quad-channel, 2/2, reinforced digital isolator

Key Features

Signaling Rate: Up to 100MbpsWide Supply Range: 2.25V to 5.5V2.25V to 5.5V Level TranslationWide Temperature Range: –55°C to +125°CLow-Power Consumption, Typical 1.7mA per Channel at 1MbpsLow Propagation Delay: 11ns Typical (5V Supplies)Industry leading CMTI (Min): ±100kV/µsRobust Electromagnetic Compatibility (EMC)System-Level ESD, EFT, and Surge ImmunityLow EmissionsIsolation Barrier Life: >40 YearsWide Body SOIC-16 Package and Extra-Wide Body SOIC-16 Package OptionsSafety and Regulatory Approvals:8000VPK Reinforced Isolation per DIN EN IEC 60747-17 (VDE 0884-17)5.7kVRMS Isolation for 1 Minute per UL 1577CSA Component Acceptance Notice 5A, IEC 60950-1 and IEC 60601-1 End Equipment StandardsCQC Certification per GB4943.1TUV Certification per EN 61010-1 and EN 62368-1Signaling Rate: Up to 100MbpsWide Supply Range: 2.25V to 5.5V2.25V to 5.5V Level TranslationWide Temperature Range: –55°C to +125°CLow-Power Consumption, Typical 1.7mA per Channel at 1MbpsLow Propagation Delay: 11ns Typical (5V Supplies)Industry leading CMTI (Min): ±100kV/µsRobust Electromagnetic Compatibility (EMC)System-Level ESD, EFT, and Surge ImmunityLow EmissionsIsolation Barrier Life: >40 YearsWide Body SOIC-16 Package and Extra-Wide Body SOIC-16 Package OptionsSafety and Regulatory Approvals:8000VPK Reinforced Isolation per DIN EN IEC 60747-17 (VDE 0884-17)5.7kVRMS Isolation for 1 Minute per UL 1577CSA Component Acceptance Notice 5A, IEC 60950-1 and IEC 60601-1 End Equipment StandardsCQC Certification per GB4943.1TUV Certification per EN 61010-1 and EN 62368-1

Description

AI
The ISO7842x device is a high-performance, quad-channel digital isolator with a 8000VPK isolation voltage. This device has reinforced isolation certifications according to VDE, CSA, CQC, and TUV. The isolator provides high electromagnetic immunity and low emissions at low-power consumption while isolating CMOS or LVCMOS digital I/Os. Each isolation channel has a logic input and output buffer separated by a silicon-dioxide (SiO2) insulation barrier. This device comes with enable pins that can be used to put the respective outputs in high impedance for multi-master driving applications and to reduce power consumption. The ISO7842 device has two forward and two reverse-direction channels. If the input power or signal is lost, the default output is high for the ISO7842 device and low for the ISO7842F device. See the Device Functional Modes section for further details. Used in conjunction with isolated power supplies, this device helps prevent noise currents on a data bus or other circuits from entering the local ground and interfering with or damaging sensitive circuitry. Through innovative chip design and layout techniques, electromagnetic compatibility of the ISO7842 device has been significantly enhanced to ease system-level ESD, EFT, surge, and emissions compliance. The ISO7842 device is available in 16-pin SOIC wide-body (DW) and extra-wide body (DWW) packages. The ISO7842x device is a high-performance, quad-channel digital isolator with a 8000VPK isolation voltage. This device has reinforced isolation certifications according to VDE, CSA, CQC, and TUV. The isolator provides high electromagnetic immunity and low emissions at low-power consumption while isolating CMOS or LVCMOS digital I/Os. Each isolation channel has a logic input and output buffer separated by a silicon-dioxide (SiO2) insulation barrier. This device comes with enable pins that can be used to put the respective outputs in high impedance for multi-master driving applications and to reduce power consumption. The ISO7842 device has two forward and two reverse-direction channels. If the input power or signal is lost, the default output is high for the ISO7842 device and low for the ISO7842F device. See the Device Functional Modes section for further details. Used in conjunction with isolated power supplies, this device helps prevent noise currents on a data bus or other circuits from entering the local ground and interfering with or damaging sensitive circuitry. Through innovative chip design and layout techniques, electromagnetic compatibility of the ISO7842 device has been significantly enhanced to ease system-level ESD, EFT, surge, and emissions compliance. The ISO7842 device is available in 16-pin SOIC wide-body (DW) and extra-wide body (DWW) packages.