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Product Detailed Parameters
- Description：IC SW SPST-NOX4 900MOHM 14QFN
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPST - NO
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：900mOhm
- Channel-to-Channel Matching (ΔRon)：30mOhm
- Voltage - Supply, Single (V+)：1.6V ~ 3.6V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：14ns, 9ns
- -3db Bandwidth：125MHz
- Charge Injection：3pC
- Channel Capacitance (CS(off), CD(off))：23pF, 20pF
- Current - Leakage (IS(off)) (Max)：2nA
- Crosstalk：-95dB @ 1MHz
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：14-XFQFN
- Supplier Device Package：14-QFN (2x2)
- Number of Circuits：4
- Grade：-
- Qualification：-
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Overview
The TS3A4751RUCR is a low-voltage, single-supply analog switch featuring four independent SPST channels in a 14-pin X2QFN package. It operates within a supply voltage range of 1.6V to 3.6V and supports bidirectional signal transmission with rail-to-rail capability. The device exhibits a maximum on-resistance of 900 mΩ at 3V and maintains channel matching within 30 mΩ. Key electrical parameters include a maximum power supply current of 75 nA, continuous switch DC current of 100 mA, and switching times of 14 ns (Ton) and 9 ns (Toff). It functions reliably across an operating temperature range of -40°C to +85°C.
Feature Summary
- Supports bidirectional analog signal routing with rail-to-rail swing capability under single-supply conditions.
- Features low on-resistance and tight channel-to-channel matching for high-fidelity signal integrity.
- Provides robust electrostatic discharge protection exceeding industry standard human model and machine model ratings.
Applications
- Portable multimedia devices requiring low-power signal path management
- Audio and video signal switching in consumer electronics
- Data acquisition systems utilizing low-voltage microcontrollers
Procurement Notes
Verify the specific suffix RUCR corresponds to the 14-XFQFN (2x2) package variant when sourcing. Confirm RoHS compliance status and moisture sensitivity level requirements against project specifications. Ensure ordering documentation references the correct Texas Instruments manufacturer part number to avoid substitution errors during assembly.
Selection Notes
Select this component for designs requiring quad SPST switching in a minimal footprint. Compare on-resistance flatness and charge injection specs against alternative switches if signal distortion is critical. Verify that the 1.6V minimum supply voltage aligns with the system's available power rails and logic compatibility requirements.
Part Context
This part belongs to the TS3A4751 family of low-voltage analog switches from Texas Instruments. It shares core electrical characteristics with variants like the TS3A4751PWR but differs in physical packaging. The RUCR suffix specifically denotes the X2QFN form factor designed for space-constrained surface-mount applications.
Replacement Considerations
TS3A4751PWR offers identical electrical performance in a TSSOP-14 package. TS3A4751RGY provides the same functionality in a VQFN package. Verify pinout compatibility and thermal dissipation requirements before substituting different package types.
