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Product Detailed Parameters
- Description：IC SWITCH SP8TX1 160OHM 16DHXQFN
- Series：74HC
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR)
- Switch Circuit：SP8T - Open/Closed
- Multiplexer/Demultiplexer Circuit：8:01
- On-State Resistance (Max)：160Ohm
- Channel-to-Channel Matching (ΔRon)：8Ohm (Typ)
- Voltage - Supply, Single (V+)：2V ~ 10V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：59ns, 49ns
- -3db Bandwidth：180MHz
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：3.5pF
- Current - Leakage (IS(off)) (Max)：400nA
- Crosstalk：-
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-XFQFN Exposed Pad
- Supplier Device Package：16-DHXQFN (2x2.4)
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The Nexperia 74HC4051BZX is an 8-channel analog multiplexer/demultiplexer housed in a DHXQFN-16 package (SOT8016-1). It operates as a single-pole octal-throw switch with three digital select inputs, eight independent I/Os, and one common I/O. The device supports a supply voltage range of 2.0 V to 10.0 V for the HC variant. Key electrical parameters include a maximum ON resistance of 180 Ω at 4.5 V supply and -40 °C to +125 °C temperature range. Propagation delay reaches up to 90 ns under specified conditions.
Feature Summary
- Provides bidirectional analog signal routing across eight independent channels controlled by digital logic inputs.
- Features built-in ESD protection compliant with ANSI/ESDA/JEDEC standards for robust operation.
- Supports wide analog input voltage ranges from -5 V to +5 V relative to ground.
Applications
- Analog multiplexing and demultiplexing
- Digital multiplexing and demultiplexing
- Signal gating
Procurement Notes
Verify the specific ordering suffix 'BZX' corresponds to the DHXQFN-16 package configuration during procurement. Confirm that the required operating temperature range aligns with the component's specified limits. Ensure the design accommodates the thermal dissipation characteristics associated with this leadless package type.
Selection Notes
Select the 74HC4051BZX when a low-profile surface-mount solution is required for 8-channel switching. Verify that the system supply voltage falls within the 2.0 V to 10.0 V operational window. Consider the ON resistance specifications if signal integrity across varying load currents is critical to the application design.
Part Context
This component belongs to the 74HC4051 series of CMOS analog switches. It shares functional compatibility with other variants in the family, such as those in SO-16 or TSSOP-16 packages, while offering a distinct footprint suitable for space-constrained PCB layouts.
Replacement Considerations
Direct pin-compatible replacements include the 74HC4051D (SO-16) and 74HC4051PW (TSSOP-16). Other package variants within the same logical family may serve as alternatives if board space allows for different footprints.
