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ISO7420FCCDR
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Product Detailed Parameters
- Description：DGTL ISOLTR 2.5KV 2CH GP 8-SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Channels：2
- Voltage - Isolation：2500Vrms
- Rise / Fall Time (Typ)：2.5ns, 2.5ns
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The ISO7420FCCDR is a low-power, dual-channel digital isolator from Texas Instruments utilizing capacitive coupling technology. It operates within a supply voltage range of 3 V to 5.5 V and supports data rates up to 50 Mb/s. The device provides an isolation voltage of 2500 Vrms with a common-mode transient immunity (CMTI) of 25 kV/µs. It features unidirectional signal transmission across two channels with a typical propagation delay of 7 ns. Operating temperatures range from -40°C to +125°C, housed in an 8-SOIC package.
Feature Summary
- Capacitive coupling architecture for robust signal isolation
- High common-mode transient immunity capability
- Low power consumption design suitable for battery-operated systems
Applications
- Industrial automation control systems
- Medical equipment signal isolation
- Power metering and energy monitoring
Procurement Notes
Verify the specific suffix 'CDR' corresponds to the required tape-and-reel packaging configuration. Confirm that the 2500 Vrms isolation rating meets the safety requirements of the target application. Ensure compatibility with the 3 V to 5.5 V logic levels used in the system design.
Selection Notes
Select this component when bidirectional isolation is not required, as it is unidirectional only. Compare against the ISO7320 series if higher insulation voltage (3000 Vrms) is needed, or the ISO7421 series if bidirectional channels are necessary. Verify that the 50 Mb/s data rate aligns with the communication speed requirements of the interface.
Part Context
This part belongs to the ISO7420 family of general-purpose digital isolators. It shares the SOIC-8 footprint with other variants in the series but differs in isolation voltage ratings and channel directionality. It serves as a replacement for older optocoupler technologies in compact designs.
Replacement Considerations
Check datasheets for pin-compatible alternatives such as the ISO7420FCCD. Ensure substitute parts maintain the same 2500 Vrms isolation rating and 50 Mb/s data rate specifications.
