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HI4P0549-5Z
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Product Detailed Parameters
- Description：IC SWITCH SP4TX2 1.8KOHM 20PLCC
- Series：-
- Mfr：Intersil
- Package：Tube
- Switch Circuit：SP4T
- Multiplexer/Demultiplexer Circuit：4:01
- On-State Resistance (Max)：1.8kOhm
- Channel-to-Channel Matching (ΔRon)：126Ohm
- Voltage - Supply, Single (V+)：-
- Voltage - Supply, Dual (V±)：±15V
- Switch Time (Ton, Toff) (Max)：300ns, 300ns (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：Surface Mount
- Package / Case：20-LCC (J-Lead)
- Supplier Device Package：20-PLCC (9x9)
- Number of Circuits：2
- Grade：-
- Qualification：-
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Overview
The HI4P0549-5Z is a dual-channel analog multiplexer switch IC from the HI-549 series, manufactured by Renesas Electronics (formerly Intersil). It features a 2 x 4:1 configuration housed in a 28-pin PLCC package. The device supports dual supply voltages with a maximum rating of 18 V and operates at a standard voltage of 12 V. Key electrical parameters include a maximum on-resistance of 1.8 kOhms, a maximum switching time of 300 ns, and a maximum idle time of 300 ns. It functions within an industrial temperature range of -40°C to +85°C and has a maximum power supply current of 2 mA.
Feature Summary
- Dual-channel architecture providing two independent 4-to-1 multiplexing paths for signal routing.
- Integrated overvoltage protection (OVP) to safeguard internal circuitry against input signal excursions beyond supply rails.
- Industrial-grade operational capability ensuring reliable performance across extended temperature environments.
Applications
- Data acquisition systems requiring multi-channel signal selection.
- Instrumentation front-ends for sensor signal routing.
- Test and measurement equipment utilizing differential signal paths.
Procurement Notes
This component is officially designated as End-of-Life (EOL) by the manufacturer. Production has ceased, and the part is subject to obsolescence. Verification of authenticity is critical when sourcing from secondary markets, as availability is limited to existing stock or surplus channels. Buyers should confirm the specific manufacturing lot date and ensure compliance with humidity sensitivity handling requirements prior to assembly.
Selection Notes
Designers must account for the discontinued status of this part number during new product development. The HI4P0549-5Z belongs to the HI-549 family; however, pinouts and specifications may vary between variants. Engineers should review the official datasheet for the complete electrical characteristics and mechanical dimensions. Alternative solutions within the same portfolio or modern equivalents should be evaluated to ensure long-term supply chain stability and compatibility with current design constraints.
Part Context
The HI4P0549-5Z is part of the HI-549 series of high-performance analog multiplexers originally developed by Intersil and now managed by Renesas Electronics. This series is characterized by its robust construction and suitability for demanding industrial applications. The specific model utilizes a PLCC package, distinguishing it from SOIC-based variants in the lineup. It represents a legacy component designed for precision signal switching tasks before subsequent generations of integrated switches were introduced.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Due to the End-of-Life status, direct replacements require manual verification against the official datasheet specifications. Designers should consult the manufacturer's discontinuance notices or technical support for recommended cross-reference parts that match the 28-pin PLCC form factor and 2 x 4:1 configuration.
