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Product Detailed Parameters
- Description：IC MUX 8:1 100OHM 16SOP
- Series：-
- Mfr：Fairchild Semiconductor
- Package：Tube
- Switch Circuit：-
- Multiplexer/Demultiplexer Circuit：8:01
- On-State Resistance (Max)：100Ohm
- Channel-to-Channel Matching (ΔRon)：15Ohm
- Voltage - Supply, Single (V+)：2V ~ 6V
- Voltage - Supply, Dual (V±)：±2V ~ 6V
- Switch Time (Ton, Toff) (Max)：41ns, 32ns
- -3db Bandwidth：35MHz
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：5pF, 90pF
- Current - Leakage (IS(off)) (Max)：100nA
- Crosstalk：-50dB @ 1MHz
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.209", 5.30mm Width)
- Supplier Device Package：16-SOP
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The MM74HC4051SJ is a single 8-channel analog multiplexer/demultiplexer fabricated with silicon gate C2MOS technology. It features pin-to-pin compatibility with the equivalent metal gate CMOS4000B series and includes built-in level shifting to support an input range up to ±6 V (peak) for analog signals controlled by digital logic levels of 0 to 6 V. The device incorporates an inhibit (INH) input terminal that disables all switches when set to a high level, allowing operation as a digital multiplexer or demultiplexer when VEE is connected to ground. All inputs are equipped with protection circuits against static discharge and transient excess voltage.
Feature Summary
- Bidirectional switching capability allows any analog input to function as an output and vice versa.
- Built-in level shifting enables communication between 5V logic signals and ±5V analog signals.
- Integrated linearization circuitry reduces on-resistance and improves switch linearity.
- All analog and digital inputs feature electrostatic discharge protection diodes.
Applications
- Signal routing in data acquisition systems
- Audio signal switching applications
- Process control instrumentation
Procurement Notes
Verify component authenticity through authorized distribution channels. Confirm package integrity upon receipt. Check datasheet revisions for specific electrical characteristics. Ensure storage conditions comply with moisture sensitivity requirements. Validate pin alignment before soldering.
Selection Notes
Select this component for designs requiring bidirectional analog signal routing with standard logic control. Verify supply voltage ranges match system requirements. Consider thermal dissipation limits during continuous operation. Evaluate pin compatibility with existing PCB layouts.
Part Context
This part belongs to the 74HC family of high-speed CMOS logic devices. It serves as a standard solution for analog signal multiplexing in industrial and consumer electronics. The device maintains functional compatibility with legacy 4000B series designs while offering improved performance metrics.
Replacement Considerations
MM74HC4051MX is a compatible alternative from the same manufacturer. MC74HC4051ADWG offers similar functionality from onsemi. Verify pinout compatibility before substitution.
FAQ
What is the maximum analog input voltage range?
The device supports an analog input range up to ±6 V (peak).
How does the inhibit function operate?
When the INH input is at a high level, all switches are disabled and placed in their off state.
Is the device suitable for digital multiplexing?
Yes, it can operate as a digital multiplexer or demultiplexer when the VEE pin is connected to ground.
