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Product Detailed Parameters
- Description：IC SWITCH SPST-NCX1 20OHM 8SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Switch Circuit：SPST - NC
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：20Ohm
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：-
- Voltage - Supply, Dual (V±)：±1V ~ 6V
- Switch Time (Ton, Toff) (Max)：75ns, 45ns
- -3db Bandwidth：464MHz
- Charge Injection：-13pC
- Channel Capacitance (CS(off), CD(off))：5.5pF, 5.5pF
- Current - Leakage (IS(off)) (Max)：5nA
- Crosstalk：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The TS12A4517DRG4 is a single-channel CMOS analog switch manufactured by Texas Instruments, housed in an 8-pin SOIC package. It operates on a single supply voltage ranging from 2 V to 12 V or dual supplies of ±1 V to ±6 V. The device features a maximum on-state resistance of 20 Ohms and supports a DC switch current of 20 mA. Electrical performance includes a maximum turn-on time of 75 ns and a maximum turn-off time of 45 ns. Power consumption is limited to a maximum supply current of 70 uA, with a power dissipation rating of 571 mW. The component functions reliably within an industrial temperature range of -40°C to +85°C.
Feature Summary
- CMOS technology enables low power consumption and compatibility with standard logic levels.
- Low on-state resistance ensures minimal signal attenuation across the conductive path.
- Wide operating voltage range supports flexibility in various single and dual supply configurations.
Applications
- Signal routing in battery-powered portable instrumentation
- Data acquisition systems requiring low leakage and fast switching
- Audio and video signal path selection in consumer electronics
Procurement Notes
Verify the specific suffix DRG4 against the manufacturer's official datasheet to confirm the tape-and-reel packaging format and lead-free compliance status. Ensure the ordering part number matches the exact pinout and thermal characteristics required for the target PCB layout. Cross-reference the RoHS declaration with current regulatory standards before finalizing procurement orders.
Selection Notes
Select this component when a single SPST configuration is sufficient for the circuit design. Compare the 20 Ohm on-resistance against application requirements; if lower resistance is needed, consider alternative models like the TS12A4515 which offers 10 Ohms. Verify that the 70 uA supply current meets strict power budget constraints compared to other switches in the family.
Part Context
This device belongs to the TS12A451x series of low-voltage analog switches. It shares functional similarities with the TS12A4515 but differs in on-resistance specifications and package options. The DRG4 suffix indicates a specific commercial-grade variant within the broader Texas Instruments portfolio of signal conditioning components.
Replacement Considerations
The TS12A4515DRG4 serves as a direct pin-compatible alternative offering lower on-resistance (10 Ohms). Verify that the reduced resistance does not impact power dissipation limits in the existing design. Other family members may require schematic adjustments due to differing electrical parameters.
