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HI4P0508-5
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Product Detailed Parameters
- Description：IC SWITCH SP8T X 1 400OHM 20PLCC
- Series：-
- Mfr：Intersil
- Package：Bulk
- Switch Circuit：SP8T
- Multiplexer/Demultiplexer Circuit：8:01
- On-State Resistance (Max)：400Ohm
- Channel-to-Channel Matching (ΔRon)：20Ohm
- Voltage - Supply, Single (V+)：44V
- Voltage - Supply, Dual (V±)：±22V
- Switch Time (Ton, Toff) (Max)：250ns (Typ), 250ns (Typ)
- -3db Bandwidth：-
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：10pF, 17pF
- Current - Leakage (IS(off)) (Max)：30pA
- Crosstalk：-
- Operating Temperature：0°C ~ 75°C
- Mounting Type：Surface Mount
- Package / Case：20-LCC (J-Lead)
- Supplier Device Package：20-PLCC (9x9)
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The HI4P0508-5 is a monolithic CMOS analog multiplexer manufactured by Intersil, now part of Renesas Electronics. It integrates an array of eight single-ended analog switches with a digital decoder circuit for channel selection and an enable input. The device utilizes Dielectric Isolation (DI) technology to eliminate latch-up issues and reduce substrate leakage compared to conventional junction-isolated CMOS. It supports wide analog signal ranges and offers low on-resistance characteristics suitable for precision applications.
Feature Summary
- Dielectric isolation process eliminates latch-up and reduces parasitic capacitance
- Integrated digital decoder circuit for direct channel selection
- TTL and CMOS logic compatible interface without external pullup resistors
- Break-before-make switching action prevents signal shorting
Applications
- Data acquisition systems
- Precision instrumentation
- Demultiplexing circuits
- Selector switch applications
Procurement Notes
Verify component authenticity through authorized distributors or manufacturer channels due to potential obsolescence status. Check RoHS compliance markings as variants exist. Confirm package integrity upon receipt, as moisture sensitivity requires proper handling. Validate datasheet revisions against current engineering requirements before integration into new designs.
Selection Notes
Select this component when eight-channel single-ended multiplexing is required with high reliability. The DI process makes it suitable for harsh environments where latch-up is a concern. Ensure supply voltage limits accommodate the ±15V range. Consider pinout compatibility if replacing legacy Harris or Intersil parts in existing PCB layouts.
Part Context
This part belongs to the HI-506/507/508/509 family of CMOS analog multiplexers. The HI4P0508-5 specifically denotes the 8-channel single-ended variant within this series. It shares architectural similarities with the HI3-0508-5 but may differ in specific electrical tolerances or packaging options defined by the manufacturer's product line evolution.
Replacement Considerations
Public documentation confirms replacement for DG508A/DG508AA parts from other manufacturers. Verify pin compatibility and electrical specifications before substitution. No other direct cross-references are explicitly listed in the provided source material.
