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Product Detailed Parameters
- Description：IC MUX 8:1 400OHM 16TSSOP
- Series：74HC
- Mfr：onsemi
- Package：Tape & Reel (TR)
- Switch Circuit：SP8T - Open/Closed
- Multiplexer/Demultiplexer Circuit：8:01
- On-State Resistance (Max)：400Ohm
- Channel-to-Channel Matching (ΔRon)：60Ohm (Max)
- Voltage - Supply, Single (V+)：2V ~ 6V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：-
- -3db Bandwidth：-
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：10pF, 40pF
- Current - Leakage (IS(off)) (Max)：100nA
- Crosstalk：-
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：16-TSSOP
- Number of Circuits：1
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The MC74HC4851ADTR2G-Q is an automotive-grade analog multiplexer from onsemi, belonging to the 74HC logic family. It functions as an 8-to-1 single-ended multiplexer in a 16-pin TSSOP package. The device operates within a supply voltage range of 2 V to 6 V and supports an extended industrial temperature range from -55°C to +125°C. Key electrical characteristics include a maximum on-resistance of 400 ohms, channel capacitance of 40 pF, and leakage current of 100 nA. It is RoHS compliant and designed for high-reliability applications requiring robust signal switching capabilities.
Feature Summary
- Automotive-grade qualification ensuring reliability under harsh environmental conditions
- Single-ended 8-channel multiplexing functionality with common output
- Wide operating voltage range supporting low-power system designs
- Extended temperature operation suitable for demanding industrial environments
Applications
- Automotive sensor signal routing and data acquisition systems
- Industrial control units requiring multi-channel input selection
- Test and measurement equipment needing precise analog signal switching
Procurement Notes
Verify the specific suffix 'Q' indicates automotive grade compliance during sourcing. Confirm the TSSOP-16 package dimensions match the target PCB footprint. Ensure the supplier provides valid RoHS documentation. Check that the component meets the required -55°C to +125°C operational specifications for the intended environment.
Selection Notes
Select this component when an 8-to-1 multiplexer with automotive reliability is required. Compare on-resistance and leakage current against circuit requirements. Consider the TSSOP-16 package constraints versus alternative packages like SOIC if space permits. Verify voltage compatibility with the system's power supply rails before integration.
Part Context
This part belongs to the MC74HC4851A series of analog multiplexers. It shares functional similarities with standard commercial variants but includes enhanced durability features for automotive use. The 'Q' suffix distinguishes it from non-automotive versions, indicating adherence to stricter quality and reliability standards defined by the manufacturer for vehicle electronics.
Replacement Considerations
Direct substitutes include other automotive-grade 8:1 multiplexers from onsemi or compatible manufacturers. Verify pinout compatibility and electrical parameters such as on-resistance and voltage range. Ensure the replacement also holds necessary automotive certifications if used in qualified vehicles.
