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Product Detailed Parameters
- Description：IC SWITCH SPDT X 1 15OHM 6SON
- Series：74LVC
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：15Ohm
- Channel-to-Channel Matching (ΔRon)：100mOhm
- Voltage - Supply, Single (V+)：1.65V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：5.7ns, 3.8ns
- -3db Bandwidth：340MHz
- Charge Injection：7pC
- Channel Capacitance (CS(off), CD(off))：5.2pF
- Current - Leakage (IS(off)) (Max)：1µA
- Crosstalk：-54dB @ 10MHz
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：6-UFDFN
- Supplier Device Package：6-SON (1.45x1)
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The SN74LVC1G3157DRYR is a single-channel, single-pole double-throw (SPDT) analog switch manufactured by Texas Instruments. It operates on a single power supply ranging from 1.65V to 5.5V and supports bidirectional signal transmission with amplitudes up to VCC. The device features a maximum on-resistance of 15Ω and a typical propagation delay of 0.5ns at 3V. It includes break-before-make switching logic and offers high linearity with a -3dB bandwidth of 340MHz. The component is housed in a compact 6-X2SON package measuring 0.8mm x 1mm and functions within an operating temperature range of -40°C to 125°C.
Feature Summary
- Supports rail-to-rail signal processing for both analog and digital signals
- Features break-before-make switching to prevent signal shorting during transitions
- Provides high ESD protection exceeding JESD 78 Class II latch-up standards
Applications
- Signal gating and chopping circuits
- Modulation and demodulation in modem applications
- Signal multiplexing for ADC and DAC systems
Procurement Notes
Verify the specific suffix DRYR against the official datasheet to confirm the X2SON package type and industrial temperature rating. Ensure compatibility with existing PCB footprints for the 6-pin configuration. Confirm RoHS compliance status for the specific manufacturing lot before integration into final assemblies.
Selection Notes
Select this component when space-constrained designs require a general-purpose SPDT switch with low on-resistance. It is suitable for portable devices and computer peripherals where low power consumption and high-speed signal routing are critical. Compare against other LVC series switches if higher channel counts or different package styles are required.
Part Context
This part belongs to the SN74LVC1G3157 family of low-voltage CMOS analog switches. The family provides versatile signal routing solutions for modern electronic systems. Variants within the series differ primarily in packaging options such as SOT-23-6, SC-70, and X2SON to accommodate various board layout requirements.
Replacement Considerations
Direct pin-compatible alternatives include the SN74LVC1G3157DBVR and SN74LVC1G3157DCKR. Verify that substitute packages match the thermal and mechanical constraints of the current design.
