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Product Detailed Parameters
- Description：IC SWITCH SPST-NOX2 15OHM 8VSSOP
- Series：74LVC
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPST - NO
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：15Ohm
- Channel-to-Channel Matching (ΔRon)：5Ohm (Max)
- Voltage - Supply, Single (V+)：1.65V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：5.9ns, 8.3ns
- -3db Bandwidth：300MHz
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：6pF
- Current - Leakage (IS(off)) (Max)：100nA
- Crosstalk：-58dB @ 1MHz
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-VFSOP (0.091", 2.30mm Width)
- Supplier Device Package：8-VSSOP
- Number of Circuits：2
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The SN74LVC2G66QDCURQ1 is an automotive-grade analog switch manufactured by Texas Instruments. It features two single-pole single-throw (SPST) channels in a compact 8-VSSOP package. The device operates on a single supply voltage ranging from 1.65 V to 5.5 V. Key electrical specifications include a maximum on-resistance of 15 Ohms and a channel-to-channel matching of 5 Ohms. Switching times are characterized by a maximum turn-on time of 5.9 ns and a maximum turn-off time of 8.3 ns. The component supports a DC switch current of 100 mA and maintains low leakage current with a maximum value of 100 nA.
Feature Summary
- Automotive qualification compliant with AEC-Q100 standards for reliability
- Dual-channel SPST configuration enabling independent signal path control
- Low on-resistance design supporting high-fidelity signal transmission
- Wide operating temperature range suitable for harsh automotive environments
Applications
- Automotive infotainment system signal routing
- Instrument cluster data line switching
- Body control module peripheral selection
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and tape-and-reel specifications. Ensure the component meets the required AEC-Q100 grade for the intended automotive application. Cross-reference the datasheet revision date to validate parameter consistency before integration into production designs.
Selection Notes
Select this component when dual-channel analog switching is required within a limited board space. The 8-VSSOP package offers a small footprint compared to larger alternatives. Verify that the 15 Ohm on-resistance meets the signal integrity requirements of the target circuit. Confirm compatibility with the system's supply voltage range between 1.65 V and 5.5 V.
Part Context
This part belongs to the SN74LVC2G66-Q1 series, which is designed specifically for automotive applications. It provides a robust solution for managing multiple analog signals in constrained spaces. The series is engineered to withstand the thermal and electrical stresses typical of vehicle electronics, ensuring long-term operational stability.
Replacement Considerations
Direct substitutes may include other automotive-grade dual SPST switches from Texas Instruments or compatible vendors offering similar pinouts and electrical characteristics. Verify package dimensions and on-resistance values to ensure mechanical and electrical compatibility without redesigning the PCB layout.
