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Product Detailed Parameters
- Description：IC SWITCH SPDT X 1 3OHM SC70-6
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：3Ohm
- Channel-to-Channel Matching (ΔRon)：150mOhm
- Voltage - Supply, Single (V+)：1.08V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：-
- -3db Bandwidth：250MHz
- Charge Injection：-10pC
- Channel Capacitance (CS(off), CD(off))：7pF
- Current - Leakage (IS(off)) (Max)：75nA
- Crosstalk：-45dB @ 10MHz
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：6-TSSOP, SC-88, SOT-363
- Supplier Device Package：SC-70-6
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The TMUX1247DCKR is a single-channel, low Ron analog switch from Texas Instruments, configured as a 2:1 single-pole double-throw (SPDT) device. It operates on a single supply voltage ranging from 1.08 V to 5.5 V and supports logic levels of 1.2 V, 1.8 V, 3.3 V, and 5 V. The component features a maximum on-resistance of 3 Ohms and a maximum power supply current of 800 nA. It is housed in an SC-70-6 surface-mount package and functions within a temperature range of -40°C to +125°C.
Feature Summary
- Ultra-low on-resistance for minimal signal attenuation
- Low quiescent current for battery-powered applications
- Wide single-supply voltage operation range
- Extended industrial temperature rating
Applications
- Portable instrumentation signal routing
- Battery-operated measurement devices
- Automotive sensor interface circuits
Procurement Notes
Verify the specific suffix DCKR against official datasheets to confirm the SC-70-6 package and tape-and-reel configuration. Ensure compatibility with system voltage requirements by checking the 1.08 V to 5.5 V operational limits. Confirm RoHS compliance status through manufacturer documentation before integration into regulated assemblies.
Selection Notes
Select this component when a single SPDT switch with low on-resistance is required. Compare against the TMUX1248 if higher current handling or different Ron characteristics are needed. Verify that the SC-70-6 footprint fits the design constraints and that the 800 nA standby current meets power budget specifications.
Part Context
This part belongs to the TMUX124x family of low Ron analog switches designed for general-purpose signal switching. It serves as a compact alternative to mechanical relays in space-constrained designs. The device complements other TI multiplexer solutions by offering a simple, high-performance single-channel option.
Replacement Considerations
The TMUX1248DCKR is a related variant within the same family but exhibits different on-resistance characteristics. Verify pinout compatibility and electrical parameter differences before substitution. No other direct cross-model replacements are confirmed in public documentation.
