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Product Detailed Parameters
- Description：IC SWITCH SPST-NOX2 78OHM 8XSON
- Series：-
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPST - NO
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：78Ohm
- Channel-to-Channel Matching (ΔRon)：3Ohm
- Voltage - Supply, Single (V+)：2V ~ 10V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：20ns, 27ns
- -3db Bandwidth：200MHz
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：-
- Current - Leakage (IS(off)) (Max)：1µA
- Crosstalk：-60dB @ 1MHz
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-XFDFN
- Supplier Device Package：8-XSON, SOT833-1 (1.95x1)
- Number of Circuits：2
- Grade：-
- Qualification：-
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Overview
The Nexperia 74HC2G66GT,115 is a dual single-pole single-throw analog switch in an XSON8 package. It operates on a supply voltage range of 2.0 V to 10.0 V with CMOS low power dissipation and high noise immunity. The device features very low ON resistance, typically 41 Ω at 4.5 V, 30 Ω at 6.0 V, and 21 Ω at 9.0 V. It includes clamp diodes for overvoltage tolerance and provides ESD protection exceeding 2000 V (HBM) and 1000 V (CDM). The component supports operation from -40 °C to +125 °C.
Feature Summary
- Dual SPST analog switch configuration with independent enable inputs
- Wide supply voltage compatibility from 2.0 V to 10.0 V
- Low ON resistance across standard operating voltages
- Robust ESD protection and latch-up performance
Applications
- Signal routing in mixed-voltage environments
- Audio and video signal switching
- Data acquisition systems
Procurement Notes
Verify the ordering suffix '115' corresponds to the specific tape-and-reel packaging format required for automated assembly. Confirm that the XSON8 leadless package dimensions align with the PCB footprint design rules. Ensure the selected variant meets the thermal derating requirements for the intended ambient temperature range.
Selection Notes
Select this part when a wide supply voltage range up to 10.0 V is required compared to standard 5.5 V logic families. The HC series offers higher speed than HCT variants but requires CMOS-compatible input levels. Verify that the maximum ON resistance at the lowest expected supply voltage remains within the application's signal integrity limits.
Part Context
This component belongs to the Nexperia 74HC/HCT2G66 family of dual analog switches. The GT suffix specifically denotes the XSON8 plastic extremely thin small outline package (SOT833-1), which provides a compact, leadless form factor suitable for space-constrained printed circuit board layouts.
Replacement Considerations
The 74HCT2G66GT,115 serves as a direct pin-compatible alternative within the same package, though it is restricted to a 4.5 V to 5.5 V supply range. Other packages such as TSSOP8 or VSSOP8 are available for the same logical function if different mechanical constraints apply.
