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HI4-0549/883
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Product Detailed Parameters
- Description：IC SWITCH 4PSTX2 1.5KOHM 20CLCC
- Series：-
- Mfr：Harris Corporation
- Package：Bulk
- Switch Circuit：-
- Multiplexer/Demultiplexer Circuit：4:01
- On-State Resistance (Max)：1.5kOhm
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：44V
- Voltage - Supply, Dual (V±)：±22V
- Switch Time (Ton, Toff) (Max)：500ns, 500ns
- -3db Bandwidth：-
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：10pF, 12pF
- Current - Leakage (IS(off)) (Max)：30pA (Typ)
- Crosstalk：-
- Operating Temperature：-55°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：20-CLCC
- Supplier Device Package：20-CLCC (8.89x8.89)
- Number of Circuits：2
- Grade：-
- Qualification：-
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Overview
The HI4-0549/883 is a CMOS analog multiplexer/demultiplexer manufactured by Harris Corporation. It features dual independent circuits, each configured as a 4:1 switch. The device utilizes a 20-pin CLCC package measuring 8.89x8.89 mm. Key electrical specifications include an on-state resistance of 1.5 kOhm and a 4PST switch configuration per circuit. It operates within a temperature range of -55°C to 125°C and supports surface mount installation.
Feature Summary
- Dual independent 4:1 analog signal routing circuits
- CMOS technology for low power consumption
- High reliability in extended industrial temperature ranges
Applications
- Analog signal switching systems
- Data acquisition front ends
- Instrumentation signal routing
Procurement Notes
Verify the manufacturer origin carefully, as Harris Corporation's semiconductor business was acquired by Intersil. Ensure the component matches the specific 20-CLCC package dimensions and pinout. Confirm that the 1.5kOhm on-resistance meets system requirements, as this value is higher than typical high-performance switches.
Selection Notes
Select this component when dual-channel 4:1 analog switching is required with robust thermal performance. The high on-state resistance suggests suitability for high-impedance signal paths rather than low-impedance loads. Consider the 20-CLCC package for applications requiring hermetic sealing or specific board space constraints.
Part Context
This part belongs to the HI4 series of analog multiplexers from Harris Corporation. The company's semiconductor division was later acquired by Intersil, which continued production under the Intersil brand. The HI4-0549 represents a specific quad differential mux variant within this lineage.
Replacement Considerations
Direct substitutes may be found under the Intersil brand name due to the corporate acquisition. Verify pin compatibility and electrical parameters against current Intersil datasheets before replacement.
