Packaging information
| Package | Pins SOIC (DW) | 16 |
| Operating temperature range (°C) -55 to 125 |
| Package qty | Carrier 2,000 | LARGE T&R |
Features for the ISO7842
- Signaling Rate: Up to 100Mbps
- Wide Supply Range: 2.25V to 5.5V
- 2.25V to 5.5V Level Translation
- Wide Temperature Range: –55°C to 125°C
- Low-Power Consumption, Typical 1.7mA per Channel at 1Mbps
- Low Propagation Delay: 11ns Typical (5V Supplies)
- Industry leading CMTI (Min): ±100kV/µs
- Robust Electromagnetic Compatibility (EMC)
- System-Level ESD, EFT, and Surge Immunity
- Low Emissions
- Isolation Barrier Life: >40 Years
- Wide Body SOIC-16 Package and Extra-Wide Body SOIC-16 Package Options
- Safety and
Regulatory Approvals:
- 8000VPK Reinforced Isolation per DIN EN IEC 60747-17 (VDE 0884-17)
- 5.7kVRMS Isolation for 1 Minute per UL 1577
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IEC 61010-1, IEC 62368-1, IEC 60601-1, and GB 4943.1 certifications
Description for the ISO7842
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-controller 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 remarkable 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.