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Product Detailed Parameters
- Description：IC SWITCH SPST-NOX2 15OHM 8VSSOP
- Series：74AUC
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Switch Circuit：SPST - NO
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：15Ohm
- Channel-to-Channel Matching (ΔRon)：1Ohm (Max)
- Voltage - Supply, Single (V+)：0.8V ~ 2.7V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：2.3ns, 2ns
- -3db Bandwidth：500MHz
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：3pF
- Current - Leakage (IS(off)) (Max)：1µA
- Crosstalk：-60dB @ 1MHz
- Operating Temperature：-40°C ~ 85°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：-
- Qualification：-
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Overview
The SN74AUC2G66DCURG4 is a dual bilateral analog switch manufactured by Texas Instruments, belonging to the SN74AUC2G series. It features two single-pole single-throw (SPST) channels housed in an 8-pin VSSOP package with a leadless design. The device operates on a single supply voltage ranging from 0.8V to 2.7V. Key electrical specifications include a maximum on-resistance of 15 Ohms and a maximum power supply current of 10 µA. Signal integrity is supported by a maximum propagation delay of 2.3 ns and an off-state isolation time of 2 ns. The component supports a continuous DC switch current of 100 mA and functions within an industrial temperature range of -40°C to +85°C.
Feature Summary
- Dual bilateral analog switching capability for signal routing applications
- Low on-resistance characteristic ensuring minimal signal attenuation
- Ultra-low static power consumption suitable for battery-operated systems
- High-speed switching performance with nanosecond-level transition times
Applications
- Portable consumer electronics requiring low-voltage signal management
- Battery-powered instrumentation and measurement devices
- Industrial control systems utilizing low-voltage logic interfaces
- Communication equipment signal path switching
Procurement Notes
Verify the G4 suffix indicates lead-free construction compliant with RoHS standards. Confirm the VSSOP-8 package dimensions match PCB footprint requirements. Ensure the operating voltage range aligns with the target system's power supply rails. Check for moisture sensitivity level constraints during storage and reflow soldering processes.
Selection Notes
Select this component when dual independent analog switches are required in a compact surface-mount package. The 0.8V minimum supply voltage makes it suitable for modern low-power logic families. Compare the 15 Ohm on-resistance against load requirements to ensure acceptable voltage drop. Consider the 100 mA switch current limit for driving capacitive or resistive loads directly.
Part Context
This part belongs to the Texas Instruments SN74AUC2G family of ultra-low voltage analog switches. The family provides high-density switching solutions in small form factors. The SN74AUC2G66 specifically offers bilateral switching, allowing signals to flow in either direction between terminals. It complements other AUC series components for complete system integration.
Replacement Considerations
The SN74AUC2G66DCUR is a direct functional equivalent without the G4 lead-free suffix. Verify pinout compatibility before substituting with other dual SPST analog switches from different manufacturers.
