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Product Detailed Parameters
- Description：DGTL ISOLTR 3.75KV 4CH GP 16SSOP
- Series：TPT774x
- Mfr：3PEAK
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Channels：4
- Voltage - Isolation：3750Vrms
- Rise / Fall Time (Typ)：0.7ns, 0.7ns
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：16-SSOP (0.154", 3.90mm Width)
- Supplier Device Package：16-QSOP
- Grade：-
- Qualification：-
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Overview
The TPT7740F-SSAR is a high-performance four-channel digital isolator from 3PEAK, designed for robust signal transmission across isolation barriers. It features a QSOP16 package with a 3750-Vrms isolation rating per UL 1577 standards. The device supports data rates up to 150Mbps and offers a common-mode transient immunity (CMTI) of 150kV/µs. Operating voltage ranges from 2.25V to 5.5V, with a typical propagation delay of 12ns. It functions with default LOW output states and operates within a temperature range of -40°C to +125°C.
Feature Summary
- Four-channel digital isolation architecture providing independent signal paths
- High common-mode transient immunity ensuring reliable operation in noisy environments
- Compliant with UL 1577 safety standards for industrial applications
- Wide operating supply voltage range supporting various logic levels
Applications
- Industrial automation systems requiring galvanic isolation
- Medical equipment needing certified isolation barriers
- Power electronics control circuits
- Communication interfaces in harsh electromagnetic environments
Procurement Notes
Verify the specific suffix SSAR corresponds to the QSOP16 package variant when sourcing. Confirm that the 3750-Vrms rating applies specifically to this package type, as other variants may offer different isolation levels. Ensure compatibility with system voltage requirements within the 2.25V to 5.5V range before integration.
Selection Notes
Select this component when four isolated channels are required in a compact QSOP16 footprint. It is suitable for applications demanding high CMTI and compliance with UL 1577 standards. Consider alternative packages like WSOP16 if higher 5000-Vrms isolation is necessary, or SOP16 if pin-out compatibility differs.
Part Context
The TPT7740F belongs to the TPT774x family of digital isolators from 3PEAK. This series utilizes proprietary isolation IP technology to deliver high reliability and performance. The family includes variants with different channel counts and isolation ratings, catering to diverse industrial and automotive needs.
Replacement Considerations
Check for direct substitutes within the TPT774x family, such as TPT7741 or TPT7742, which may offer different input/output configurations. Verify pin compatibility and isolation ratings against existing designs before substitution.
FAQ
What is the isolation rating for the TPT7740F-SSAR?
The TPT7740F-SSAR has an isolation rating of 3750-Vrms per UL 1577 standard.
Does the TPT7740F-SSAR support bidirectional communication?
No, the TPT7740F-SSAR is configured with 4 forward channels and 0 reverse channels.
What is the maximum data rate supported by this device?
The device supports data rates up to 150Mbps.
