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Product Detailed Parameters
- Description：IC SWITCH SPST-NOX1 15OHM SOT23
- 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)：-
- Voltage - Supply, Single (V+)：0.8V ~ 2.7V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：1.4ns, 1.5ns
- -3db Bandwidth：500MHz
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：3.5pF
- Current - Leakage (IS(off)) (Max)：1µA
- Crosstalk：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-23-5
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The SN74AUC1G66DBVRE4 is a single bilateral analog switch from the Texas Instruments 74AUC series, housed in a SOT-23 (DBV) package. It operates within a supply voltage range of 0.8 V to 2.7 V and supports both analog and digital signals between VCC and GND. Key electrical parameters include an on-state resistance of 9 Ω typical at 2.3 V, a -3 dB bandwidth exceeding 500 MHz, and a propagation delay as low as 0.2 ns at 1.8 V with 15 pF load capacitance. The device features low off-state leakage current of ±1 µA maximum at 2.7 V and high linearity with sine-wave distortion below 0.03%.
Feature Summary
- Operates at sub-1-V levels for ultra-low power applications
- Provides high-speed signal switching with minimal propagation delay
- Ensures robust latch-up protection exceeding industry standards
- Delivers high linearity suitable for precision analog signal routing
Applications
- Signal gating and chopping circuits
- Modulation and demodulation systems such as modems
- Signal multiplexing for analog-to-digital and digital-to-analog conversion
Procurement Notes
Verify that the ordering suffix E4 indicates compliance with RoHS 3 specifications and lead-free manufacturing requirements. Confirm the package type matches the required PCB footprint dimensions. Ensure the operating temperature range aligns with the system's environmental constraints. Cross-reference the datasheet revision date to confirm the latest electrical characteristics are applied.
Selection Notes
Select this component when designing circuits requiring operation below 1 V or where low power consumption is critical. The wide supply voltage range allows compatibility with various logic families. Consider the low on-resistance for minimizing signal attenuation in sensitive analog paths. Verify that the control input voltage levels match the system's logic output capabilities.
Part Context
This part belongs to the SN74AUC1G66 family of single bilateral analog switches. It utilizes Texas Instruments' NanoFree technology concepts in its packaging variants, though this specific DBV version uses standard SOT-23 geometry. The device is designed specifically for 1.65 V to 1.95 V operation but remains functional across the wider 0.8 V to 2.7 V range.
Replacement Considerations
Direct substitutes include other single SPST analog switches from the same family, such as the SN74AUC1G66DCKR or SN74AUC1G66YZPR, which offer identical electrical performance in different package formats.
