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Product Detailed Parameters
- Description：IC SW SPST-NOX2 900MOHM 8VSSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- 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：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：8-VSSOP
- Number of Circuits：2
- Grade：-
- Qualification：-
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Overview
The TS3A4741DGKR is a dual single-pole single-throw (SPST) analog switch manufactured by Texas Instruments. It operates on a single supply voltage ranging from 1.6 V to 3.6 V. The device features a maximum on-resistance of 900 mOhms and supports a continuous DC switch current of 100 mA. Electrical performance includes a maximum turn-on time of 14 ns and a maximum turn-off time of 9 ns. The component functions within an ambient temperature range of -40°C to +85°C and draws a maximum supply current of 750 nA.
Feature Summary
- Dual SPST configuration for independent signal path control
- Low on-resistance for minimal signal attenuation
- Ultra-low quiescent current for power efficiency
- Single-supply operation compatible with low-voltage systems
Applications
- Portable consumer electronics requiring low-power signal routing
- Audio signal switching in mobile devices
- Battery-powered instrumentation
- Video signal multiplexing
Procurement Notes
Verify the complete part number including the DGKR suffix to ensure the correct VSSOP-8 package and reel packaging specifications. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure design compatibility with the specified 1.6 V to 3.6 V operating voltage range and thermal requirements for the intended application environment.
Selection Notes
Select this component when a dual-channel analog switch with low on-resistance and single-supply operation is required. Compare against the TS3A4742DCNR for alternative packaging options such as SOT-23. Consider channel count and package size constraints relative to the TS3A4751RUCR if four channels are needed. Verify that the 100 mA switch current rating meets the load requirements of the target circuit.
Part Context
This component belongs to the TS3A47xx series of low-voltage analog switches from Texas Instruments. The series provides solutions for signal routing in portable devices. The DGKR suffix specifically denotes the VSSOP-8 surface-mount package variant, distinguishing it from other package options like the DCNR or RUCR variants within the same functional family.
Replacement Considerations
The TS3A4742DCNR offers identical electrical characteristics but utilizes an 8-SOT-23 package instead of VSSOP-8. Designers must evaluate footprint compatibility and pin-out alignment when substituting between these package types.
