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HI3-0509-5
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Product Detailed Parameters
- Description：IC SWITCH SP4T X 2 400OHM 16DIP
- Series：-
- Mfr：Intersil
- Package：Tube
- Switch Circuit：SP4T
- Multiplexer/Demultiplexer Circuit：4:01
- On-State Resistance (Max)：400Ohm
- Channel-to-Channel Matching (ΔRon)：20Ohm
- Voltage - Supply, Single (V+)：-
- Voltage - Supply, Dual (V±)：±15V
- Switch Time (Ton, Toff) (Max)：250ns, 250ns (Typ)
- -3db Bandwidth：-
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：10pF, 12pF
- Current - Leakage (IS(off)) (Max)：30pA (Typ)
- Crosstalk：-
- Operating Temperature：0°C ~ 75°C (TA)
- Mounting Type：Through Hole
- Package / Case：16-DIP (0.300", 7.62mm)
- Supplier Device Package：16-PDIP
- Number of Circuits：2
- Grade：-
- Qualification：-
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Overview
The HI3-0509-5 is a differential 4-channel analog multiplexer from the HI-509A series, fabricated using 44V dielectrically isolated CMOS technology. It features active overvoltage protection allowing analog inputs to withstand constant 70VP-P levels with ±15V supplies. Digital inputs sustain continuous faults up to 4V greater than either supply rail. The device ensures signal fidelity during fault conditions and protects signal sources from short-circuiting during supply loss by presenting 1kΩ resistance per input.
Feature Summary
- Active overvoltage protection maintains signal path integrity without channel interaction during fault conditions
- Dielectrically isolated CMOS construction supports high voltage tolerance
- Fail-safe operation prevents latch-up during power loss events
Applications
- Systems where analog inputs originate from external equipment
- Circuits involving separately powered circuitry
- Data acquisition systems requiring robust fault protection
Procurement Notes
Verify the specific suffix '5' against official Intersil or Renesas documentation to confirm package type and temperature grade. Ensure the component matches the HI-509A functional specification for differential 4-channel operation. Cross-reference manufacturer part numbers as corporate structures have changed since the Intersil era.
Selection Notes
Select this component when differential signal routing with high-voltage tolerance is required. Compare against standard multiplexers if overvoltage protection is critical. Verify that the 1kΩ source impedance during supply loss aligns with system safety requirements. Confirm compatibility with available digital control logic levels.
Part Context
This device belongs to the HI-506/507/508/509 family of analog multiplexers. The HI-509A variant specifically provides four differential channels. Related parts in the series include the single 16-channel HI-506A, the 8-channel differential HI-507A, and the single 8-channel HI-508A. All share the same underlying protection technology.
Replacement Considerations
Check for direct equivalents in the HI-509A series. Verify pinout compatibility if substituting with other differential multiplexers. Ensure replacement devices offer similar overvoltage ratings if system fault conditions are expected.
